This is a video of ex-NASA engineer turned YouTube money maker Mark Rober (previously) setting the world record for the world’s tallest elephant toothpaste chemical reaction, mixing hydrogen peroxide, soap, and potassium iodide in a 5-ton flask with a resulting volcano that reaches a respectable altitude of 250-feet. Obviously, if

Microorganisms: do they really exist or are they just made up by scientists to explain magic? The world may never know. But this is another in MetaBallStudio’s unending series of size comparison videos (previously), this time visualizing the size of various microorganisms using humans, increasingly larger manmade objects, and eventually

This is a video of The Action Lab’s James Orgill using a vacuum chamber to increase a cup of liquid nitrogen’s evaporation (as a result of increased boiling due to the lower pressure), causing the temperature to drop until it freezes into a solid around 66 degrees above absolute zero

Visual learning: it’s way cooler than just reading a boring textbook and writing dirty words in the margins. And to prove that, this is a video of The Action Lab’s James Orgill sticking his hand in a vacuum chamber and sucking all the air out. His hand blows up like

This is a video of The Action Lab’s James Orgill demonstrating how to use a vacuum chamber to easily separate the filling from both sides of Oreo cookies. Don’t have a vacuum chamber? No worries, just dunk and stuff four Oreos in your mouth and eat them all at once

This is a video of Action Lab’s James Orgill dropping a steel ball and ping-pong ball on one of the world’s bounciest surfaces to see how long they’ll bounce for. James says the surface has a coefficient of restitution (the ratio of the final to initial relative velocity between two

This is another Action Lab Shorts video starring James Orgill, this time firing a Nerf projectile backwards from a moving car traveling forward the same speed forwards (around 55MPH) to see if the bullet will just fall to the ground. The answer? Yes. James also sounds pretty stoked he was

This is a video from James Orgill of Action Lab Shorts showing what happens when you pour some delectable sulfuric acid on a roll of toilet paper. According to James, the reason this happens is because the sulfuric acid is removing the water molecules from the toilet paper in a