Tag Archives: science

How do solar panels work? – Richard Komp

The Earth intercepts a lot of solar power: 173 thousand terawatts. That’s ten thousand times more power than the planet’s population uses. So is it possible that one day the world could be completely reliant on solar energy? To answer that question, we first need to examine how solar panels convert solar energy to electrical… Read More »

Why Washington health officials fear novel coronavirus may have been quietly spreading

JUDY WOODRUFF: The toll from the coronavirus is edging up tonight across the United States. So far, there are six known deaths, all in Washington state, but there are fears the virus is considerably more widespread than previously known. Lisa Desjardins begins our coverage LISA DESJARDINS: In the greater Seattle area, health officials now question… Read More »

5 of the Most Important Inventions in Robotics

[Music] in the 1960s unum 8 became the first digital and programmable robot to replace humans in an industrial factory in 1961 it was installed at General Motors and it carried out assembly line tasks that were dangerous for humans like picking up hot metals you know mate was basically a big mechanical are much… Read More »

What Happens If You’re Quarantined?

Hey there! Welcome to Life Noggin! Due to the increasing news surrounding the coronavirus, the subject of quarantines has been popping up a lot lately. And I’m sure you’re wondering: what exactly happens when you are quarantined? Generally, quarantines are used as a preventative measure where otherwise healthy people who may have come into contact… Read More »

This Worm’s Gut Has No Way In or Out

{♫Intro♫} There are plenty of creatures out there with only one opening to handle the business of both taking in food and getting rid of the leftovers. Jellyfish, for example, get along fine with a mouth that’s also an anus. But there’s at least one animal out there that doesn’t have a gut opening…at all.… Read More »

Is COVID-19 a Pandemic? | March 2020 Update

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.org/SciShow to learn more. {♫Intro♫} This video was filmed on March 3 2020. If we have a more up-to-date version of it, it will be linked at the top of the description, and right up there. Let’s go over some terminology to start. SARS-CoV-2… Read More »

Astronomers Just Discovered the Biggest Explosion Ever

[ intro ] Ever since 2016, astronomers have been puzzling over a strange feature in the galaxy cluster Ophiuchus that no one could quite explain. It looked kind of like a crater in the gas surrounding one of the galaxies near the middle of the cluster. No one knew what to make of that. But… Read More »

How Does the Internet Work? – Glad You Asked S1

( music playing )Wait. That’s the cable? I was expecting something so much bigger. That’s the internet. To get across the ocean, nearly all internet traffic has to use a cable like that one. – It’s tiny. I’m so surprised. – You’re actually surprised. I know, I could tell. Love it. All right, let’s go… Read More »