favicon de explainthatstuff.com

explainthatstuff.com

Categoria: Education

Analisado: 1 de mai. de 2026, 01:49 UTC · Visto pela primeira vez: 1 de mai. de 2026 · Motores de ameaça: 0 / 91 · Vezes analisado: 1
90 / 100 Pontuação de confiança Com base nos resultados da análise no momento da verificação
Nenhuma ameaça encontrada
0 - Alto risco50 - Moderado100 - Sem ameaças
Recomenda-se nova análise
Última análise há 130 dias - o estado de segurança pode ter mudado desde então.
Não analisado ainda não foi analisado. Clique em Analisar agora para verificá-lo.

As análises podem demorar até 5 minutos. Mantenha este separador aberto - iremos redirecioná-lo para o relatório quando estiver pronto.

Falhou
Análise indisponível
A análise falhou
Este site é seu?
Mostre aos visitantes que o seu site é seguro
Adicione o PCrisk Trust Badge, analisado novamente a cada 24 horas para malware & ameaças. Um selo de segurança visível transmite confiança aos visitantes, e essa confiança pode traduzir-se em mais vendas, registos e chamadas.
Reanálises automáticas Verificado por mais de 90 motores de segurança WordPress · Shopify · Wix · qualquer site
Obter o seu Trust Badge Copiar e colar · configuração rápida
Verificações de segurança da PCrisk nos seus resultados do Google Adicione a PCrisk como fonte preferida e os nossos relatórios de análise e guias de remoção terão prioridade no Google.
Adicionar PCrisk como fonte preferida
Captura de ecrã de explainthatstuff.com Capturada 1 de mai. de 2026
https://explainthatstuff.com
Captura de ecrã de explainthatstuff.com
20 anos
Popular - posição #57.226 no Tranco (>1M visitantes mensais)
Não listado (91 verificados)
✓ Válido (TLS)
Scala Hosting LLC
Hawthorne, United States
Apache
Php/8.4.20
209.142.64.143
Informações do domínio e WHOIS
Registrador Tucows Domains Inc.
Registado 22 de abril de 2006
Expira 22 de abril de 2027
Servidores de nomes NS0.ZEN.CO.UK
DNSSEC Não assinado
Alojamento Scala Hosting LLC
Reputação e verificação de ameaças 91 motores de segurança verificados
0
0 de 91 motores assinalaram este site Nenhum fornecedor de segurança sinalizou este site no momento da análise
Não assinalado
Fontes diretas de bases de dados de ameaças
Ver resultados detalhados dos motores no VirusTotal
Resumo da análise do ficheiro Com tecnologia Quttera Engine
101 ficheiros analisados
Sem ameaças
98
Baixo risco
0
Risco médio
3
Alto risco
0
Sem ameaças Baixo risco Risco médio Alto risco
www.explainthatstuff.com/history-of-communication.html 90.9 KB Sinalizado: risco médio
www.explainthatstuff.com/mybooks.php 48.6 KB Sinalizado: risco médio
www.explainthatstuff.com/electriccars.html 105.2 KB Sinalizado: risco médio
www.explainthatstuff.com.http-redirect 100 B Sem ameaças
www.explainthatstuff.com/telephone.html 78.0 KB Sem ameaças
www.explainthatstuff.com/rfid.html 67.3 KB Sem ameaças
www.explainthatstuff.com/cloud-computing-introduction.html 95.5 KB Sem ameaças
www.explainthatstuff.com/how-film-cameras-work.html 76.7 KB Sem ameaças
www.explainthatstuff.com/cellphones.html 79.7 KB Sem ameaças
www.explainthatstuff.com/headphones.html 70.5 KB Sem ameaças
www.explainthatstuff.com/walkie-talkies.html 57.6 KB Sem ameaças
www.explainthatstuff.com/quantum-computing.html 86.5 KB Sem ameaças
www.explainthatstuff.com/electricity.html 82.3 KB Sem ameaças
Mostrar mais 88...
Quttera sinalizou ficheiros de risco médio - este site é seu?
Investigue e remova potenciais ameaças com a Quttera
Remover malware

O Quttera Web Malware Removal é um serviço de subscrição paga. Os preços, planos e disponibilidade de teste são definidos pela Quttera. A Quttera é operada pela Quttera Ltd, uma empresa terceira independente sem relação com a RCS LT. O PCrisk.com pode receber uma comissão de referência quando os utilizadores aderem através desta ligação.

Links externos e domínios
4322
Ligações externas
4 Sinalizados
69
Iframes
Limpo
597
Domínios referenciados
6 Sinalizados
10
Recursos sinalizados
Detetado
blog.sciencemuseum.org.ukSinalizado: Generic Suspicious Object
oxfordquantum.orgSinalizado: Generic Malicious Object
www.autospeed.comSinalizado: Generic Suspicious Object
www.creative-science.org.ukSinalizado: Generic Suspicious Object
www.hive.co.ukSinalizado: Generic Suspicious Object
www.mann-ivanov-ferber.ruSinalizado: Generic Suspicious Object
http://www.autospeed.com/cms/article.html?&A%3D112925Sinalizado: Generic Suspicious Object
http://www.mann-ivanov-ferber.ru/books/atomyi-u-nas-doma/Sinalizado: Generic Suspicious Object
https://blog.sciencemuseum.org.uk/revealing-the-real-cooke-and-wheatstone-telegraph-dial/Sinalizado: Generic Suspicious Object
https://www.hive.co.uk/Product/Chris-Woodford/Breathless--Why-Air-Pollution-Matters---and-How-it-Affects-You/25441183Sinalizado: Generic Suspicious Object
http://www.autospeed.com/cms/article.html?&A%3D112925Sinalizado: Generic Suspicious Object
http://www.mann-ivanov-ferber.ru/books/atomyi-u-nas-doma/Sinalizado: Generic Suspicious Object
https://blog.sciencemuseum.org.uk/revealing-the-real-cooke-and-wheatstone-telegraph-dial/Sinalizado: Generic Suspicious Object
https://www.hive.co.uk/Product/Chris-Woodford/Breathless--Why-Air-Pollution-Matters---and-How-it-Affects-You/25441183Sinalizado: Generic Suspicious Object
http://awstats.sourceforge.net/Não sinalizado
http://berkeleyearth.org/Não sinalizado
http://bizarrelabs.com/phono.htmNão sinalizado
http://blog.physicsworld.com/2015/12/03/top-physics-books-of-2015/Não sinalizado
http://books.google.com/books?id%3D76uF2Xebm-gCNão sinalizado
http://books.google.com/books?id%3DMji4KPEqV3ACNão sinalizado
http://books.google.com/books?id%3Dfz0ymWEOyowC&lpg%3DPA60&lr&rview%3D1&pg%3DPA60#v%3Donepage&q&f%3DfalseNão sinalizado
http://books.google.com/books?id%3DoAAAAAAAMBAJ&lpg%3DPA38&dq%3Dground%20source%20heat%20pumps&pg%3DPA38#v%3Donepage&q%3Dground%20source%20heat%20pumps&f%3DfalseNão sinalizado
http://climatechange.medill.northwestern.edu/2016/11/29/artificial-trees-might-be-needed-to-offset-carbon-dioxide-emissions/Não sinalizado
http://content.time.com/time/specials/2007/article/0,28804,1663317_1663323_1669906,00.htmlNão sinalizado
http://creativecommons.org/Não sinalizado
Mostrar mais 485...
A mostrar as primeiras 500 de 4322 entradas.
blog.sciencemuseum.org.ukSinalizado: Generic Suspicious Object
oxfordquantum.orgSinalizado: Generic Malicious Object
www.autospeed.comSinalizado: Generic Suspicious Object
www.creative-science.org.ukSinalizado: Generic Suspicious Object
www.hive.co.ukSinalizado: Generic Suspicious Object
www.mann-ivanov-ferber.ruSinalizado: Generic Suspicious Object
001.31.2.223Não sinalizado
10.1.1.424Não sinalizado
6thfloor.blogs.nytimes.comNão sinalizado
academic.oup.comNão sinalizado
acia.amap.noNão sinalizado
aerosocietyheritage.comNão sinalizado
afdc.energy.govNão sinalizado
agresearchmag.ars.usda.govNão sinalizado
ahf.nuclearmuseum.orgNão sinalizado
Mostrar mais 485...
A mostrar as primeiras 500 de 597 entradas.
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2F&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fanalog-and-digital.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fantennas.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fartificial-intelligence.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fazindex.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fbarcodescanners.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fbatteries.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fbroadbandoverpowerlines.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fbuyingacomputer.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcellphones.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcloud-computing-introduction.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcomputer-graphics.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcomputerkeyboards.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcomputermouse.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fcranes.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fdigitalcameras.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fdirectional-loudspeakers.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Febooks.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Felectricity.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Felectricmotors.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Ffaxmachines.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Ffiberoptics.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fflares.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fgears.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fgeoengineering.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fglobalwarmingforkids.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fgravity.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fgreat-psychology-experiments.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fheadphones.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fheatpumps.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhistory-of-electricity.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhistory-of-flight.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhow-film-cameras-work.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhow-fountain-pens-work.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhow-nuclear-power-plants-work.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhow-printing-works.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhowbluetoothworks.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhowpagerswork.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fhowtorepairheadphones.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Finternet.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Finventors-and-inventions.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Flaserprinters.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Flasers.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Flenticularprinting.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Flidar.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Floudspeakers.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fmagnetism.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fmaterials-science.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fmicrophones.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fnanotechnologyforkids.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fphotocopier.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fquantum-computing.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fradar.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fradio.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Frecord-players.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Frenewableenergy.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Frfid.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fsatellites.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fsoftware.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fsolarcells.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fspacerockets.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fteaching-guide.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Ftelephone.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Ftimeline.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Ftypewriter.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fultrasound.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fwalkie-talkies.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fwaterpollution.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
<iframe src%3D"https://www.facebook.com/plugins/like.php?href%3Dhttps%3A%2F%2Fwww.explainthatstuff.com%2Fwhat-is-science.html&width%3D90&layout%3Dbutton_count&action%3Dlike&size%3Dsmall&share%3Dfalse&height%3D21&appId%3D1678539732394615" width%3D"90" height%3D"21" style%3D"border:none%3Boverflow:hidden" scrolling%3D"no" frameborder%3D"0" allowfullscreen%3D"true" allow%3D"autoplay%3B clipboard-write%3B encrypted-media%3B picture-in-picture%3B web-share">Não sinalizado
Visão geral de explainthatstuff.com

Descrição de explainthatstuff.com

Explainthatstuff.com appears to be an educational science and technology website focused on explaining how everyday devices, engineering concepts, and scientific ideas work in plain language. The homepage presents it as a free online book with hundreds of illustrated articles aimed at families, students, and general readers, covering topics such as electronics, computing, energy, and mechanics.

Based on the page content and metadata, the site appears to be operated as a long-running personal or editorial educational project associated with science writer Chris Woodford. The navigation structure, article archive, teaching guide, and privacy pages suggest a content-driven reference site rather than a commercial storefront or user-generated platform.

The domain has been registered for about 20 years, which is consistent with an established informational resource. Its moderate web popularity ranking and extensive archive of external references also fit the profile of a mature educational publication that has accumulated many citations and outbound links over time.

Avaliação de segurança de explainthatstuff.com

The available scan data is generally favorable. At the time of this scan, 0 out of 91 security engines flagged the domain, and the domain was not listed by the checked blacklist databases. The domain age of roughly 20 years, along with a solid trust score and established traffic ranking, may reduce the likelihood that this is a newly created abusive site.

One malware scan did mark the overall site as suspicious and flagged 3 out of 101 scanned files, but the associated findings appear to be tied largely to outbound references on article pages rather than clear evidence of active malware hosted on the domain itself. Several referenced external domains and links were labeled as suspicious or malicious by that scan, which may reflect stale outbound citations, reputation issues on third-party sites, or heuristic false positives in a large educational archive with thousands of links.

Given the clean results from broad security-engine checks and blacklist lookups, the suspicious findings appear limited and somewhat contextual rather than conclusive. Based on available data, no significant threats were detected at the time of this scan, though visitors should still use normal caution when following older external links from archived articles.

Descrição técnica

The site uses a valid Let's Encrypt SSL/TLS certificate with expiry in late May 2026, indicating that HTTPS is enabled. It is hosted on an Apache web server at IP address 209.142.64.143 with hosting attributed to Scala Hosting LLC in the United States. The domain uses Zen Internet nameservers and has been registered through Tucows for many years.

DNSSEC appears to be unsigned, which is not uncommon but does mean DNS responses may lack an additional layer of authenticity protection. No major infrastructure-level issues are evident from the provided data. The main technical concern at the time of this scan is the presence of numerous outbound links, a small subset of which were heuristically flagged by a malware scanner, so caution may be warranted when navigating to older third-party references.

Cadeia de redirecionamento HTTP
301 https://explainthatstuff.com
301 http://www.explainthatstuff.com/
200 https://www.explainthatstuff.com/
Informações do site
#57.226
Posição Tranco
Popular
Visitantes >1M/mo
Categoria: Education
Histórico de posição (30 dias)
23 de mar. 30 de abr.
Sem dados de cookies disponíveis
Contestar esta pontuação Para proprietários de sites
Acha que esta pontuação está incorreta?
Se é o proprietário do site e acredita que os resultados da análise contêm erros ou falsos positivos, pode enviar uma contestação para revisão manual. A nossa equipa responde normalmente em 1-2 dias úteis.
Terá de verificar o seu e-mail antes de a contestação poder ser processada.
Ao enviar este formulário, confirma que as informações fornecidas estão corretas. As contestações são revistas manualmente e os resultados podem demorar até 48 horas a ser atualizados.
Falta mais um passo…
Para enviar a sua contestação para explainthatstuff.com, clique na ligação de verificação que acabámos de enviar por e-mail. Após a verificação, faremos a revisão em 1-2 dias úteis.
Este relatório foi gerado automaticamente e é fornecido apenas para fins informativos. Os resultados baseiam-se numa análise pontual e podem conter falsos positivos ou dados incompletos. Isto não constitui uma auditoria ou certificação de segurança. Nenhum fornecedor no mercado pode garantir uma taxa de deteção de 100%. Se acredita que este relatório está incorreto, por favor envie uma contestação.

Partilhe a sua experiência com este website. Era seguro? Encontrou algum problema?