FYI: A person is considered to be legally blind if he or she has a best corrected vision of 20/200 in their best seeing eye, that means even with some visual correction.
Physics teacher James Lincoln does 10 demonstrations using tuning forks with everyday lab items like strobes, mirrors, water, ping pong balls, oscilloscopes, and lasers.
Deep-sea anglerfish are strange and elusive creatures that are very rarely observed in their natural habitat. This little angler, about 9 cm long, is also known as the Black Seadevil and it lives in the deep dark waters of the Monterey Canyon. It was observed for the first time at 600 m (1900ft) on a midwater research expedition in November 2014. It is believed to be the first video footage ever made of this species alive and at depth.
Getting stung by a jellyfish is not a pleasant experience, but do you know what it all looks like up close? Let's see with a high speed camera and a microscope some terrifying slow motion footage.
So, is eating gluten-free actually good for you?
Not long ago, Jimmy Kimmel asked gluten-free people if they knew what gluten was and of course, most gluten-free people had no idea. It really proved that the gluten-free trend is BS but it didn't give any explanations on what gluten actually is. This video corrects that..
It's called the 'triple point' and it's mind-blowing!
Wiki: "The triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium."
The Leidenfrost effect makes the beer look like a gooey blob.
Alcohol abuse at it best!
See what happens when you combine a solution of thiocyanate ions (on the cotton ball) and a solution form of iron(III) which has a yellowish color (on the knife).
Celestial Body Radius (in km): Earth: 6378 - Moon: 1738 - Mercury: 2439 - Mars: 3397 - Venus: 6052 - Neptune: 25,269 (equatorial) 24,340 (polar) - Pluto: 1160 - Uranus: 25,559 (equatorial) 24,973 (polar) - Saturn: 60,268 (equatorial) 54,360 (polar) (not including rings) - Jupiter: 71,490 (equatorial) 66,854 (polar).
Sun: 1,392,684 - Betelgeuse 1,323,049,800 km or (950 solar radii) - NML Cygni 2,297,928,600 km or (1650 solar radii).
Putting styrofoam in acetone is something fascinating to watch. Cool effect in reverse too…