_ 5 Mind-Blowing Physics Facts You Don't Learn in

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00:005 Mind-Blowing Physics Facts You Don't Learn in School

00:035. Dark Matter Makes Up Most of the Universe. Despite being invisible and undetectable by

00:09our instruments, it accounts for about 85% of all matter in the cosmos.

00:154. The human body emits light. We actually glow, but the light is to faint for our eyes

00:21to see. This bioluminescence is about 1,000 times weaker than what our eyes can detect.

00:283. Sound can create light. This phenomenon, called sonoluminescence, occurs when tiny bubbles

00:36in a liquid collapse due to sound waves, emitting brief flashes of light.

00:412. Time Moves Slower At Your Feet Than At Your Head. Due to Einstein's theory of relativity,

00:48time passes slightly faster for your head than for your feet. Which are closer to Earth's

00:53center of gravity?

00:541. A teaspoon of a neutron star would weigh about 6 billion tons. These incredibly dense

01:01teller. Remnants pack the mass of several suns into a sphere the size of a city.