Tag «radiation»

The Cosmic Lasers That Form in Outer Space

The Cosmic Lasers That Form in Outer Space

This episode is sponsored by The Ridge. Go to ridge.com/SciShow and use promo code “scishow” to get 10% off your next order. [♪ INTRO] Lasers are an incredible human invention. They’re basically a way to hack light and turn it into this narrow beam that can do things like cut through metal and also perform …

Radon Primer for Everyone

Radon Primer for Everyone

let’s record quickly first I want to welcome all of you all to the first in our series of North Carolina’s national radon action month webinar series my name is Sarah Kirby I’m a professor in the Department of Agricultural and Human Sciences at NC State University I’m also an assistant director of the North …

Night of the Living Dead 2

Night of the Living Dead 2

[OBJECTS FALLING] Get some more light around this house. [METALLIC NOISES] [METALLIC NOISES] [WOODEN NOISES] [METALLIC NOISES] Why don’t you go find some wood, some boards, something to nail this place up. [WOODEN NOISES] Oh, goddamn! Look. I know you’re afraid. I’m afraid too. But we have to try to board the house up together. …

The rise and fall of the American fallout shelter

The rise and fall of the American fallout shelter

“4…3…2…1” “T-Zero!” This is the Operation Ivy nuclear test in 1952. And this is using a level for really nice masonry on your fallout shelter. It’s from 1960’s Walt Builds a Family Fallout Shelter. The idea was that you’d deck out your basement so you’d be safe when the bomb went off and this happened. …

“How I Survived Chernobyl”

My name is Sasha Yuvchenko, and I would like to tell you the story of how I survived one of the worst man-made disasters the world has ever seen. On April 25th, 1986, I was working at the heart of the Chernobyl nuclear power plant when the No. 4 nuclear reactor exploded. The blast was …