The gravity of Jupiter keeps most asteroids and space rocks away from Earth. Without Jupiter Earth would most likely be inhabitable for humans.
This is how Jupiter has protected Earth for billions of years:
How colors change as you go deeper underwater, because water selectively scatters and absorbs certain wavelengths of visible light.
Video taken by Kendall Roberg
“If you can't explain it simply, you don't understand it well enough.”
- Albert Einstein
Meanwhile book “General relativity for babies” by Chris Ferrie
A water hose can be attached to a speaker so that it vibrates at a certain frequency, say 27 Hz. You can see this effect through a 24 fps camera & if you change the vibration frequency you see a different pattern.
Video by edgarciancio885 (TikTok)
Bacteria: *enters my body*
Immune system: *raises the temperature to fight bacteria*
Me: *takes a medicine to reduce the temperature (fever)*
Immune system:
This experiment demostrates the density of gas called Sulfur hexafluoride, also known as the "deep voice gas". This gas has density about 6- times higher than density of air we breathe.
Video credit: TheSpanglerEffect (Youtube)
These popsicle sticks are twisted together so that they store the potential energy from their bending. When it's released thanks to a firecracker, it causes an impressive chain reaction.