Category: Science

The The Slow Mo Guys got a new toy – a probe lens:

YouTuber and NASA scientist Mark Rober says, “Since I was a little kid I always wondered what it would be like to swim in a pool of Jello. Turns out it is really difficult. We heated up the Gelatin in 55 gallon drums and then used gravity to put that jello into the pool.”


Gav and Dan, The Slow Mo Guys, like learning and like fast things. In this episode, they learn about a fast thing. A fire sprinkler that you can probably see above your head if you are watching this from your office when you should be working.

Michael Reeves got some of his YouTuber friends to voice both “adult” and “kid-friendly” screams. It’s all comedy gold. Definitely NSFW!

Before it’s totally destroyed, that is. Destin of SmarterEveryDay aims to find out, filming at 100,000 frames per second.

How to Avoid a Backdraft

As a follow-up to yesterday’s video, Gav & Dan learn what conditions cause a backdraft and how they can be avoided.

A “supermoon” in conjunction with a radio telescope.

4K Slow Motion Backdraft

Gav and Dan, The Slow Mo Guys, film one of the most dangerous occurrences in a firefighter’s occupation in terrifying 4K slow motion.

YouTuber TheBackyardScientist finally got hold of a “good” Fresnel lens.

Gav and Dan talk more with the engineers at CalTech about the technology behind filming the speed of light.

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