Go back
light

light

Science

Vote Up
Vote Down

why is light so important?

Vote Up
Vote Down

It helps you see.

Vote Up
Vote Down

Originally posted by @kazetnagorra
It helps you see.
But it lowers the ability to smell😉

Vote Up
Vote Down

Isn't its speed a universal constant by which we measure "space-time"?

Vote Up
Vote Down

Originally posted by @wolfe63
Isn't its speed a universal constant by which we measure "space-time"?
One of the principles of the theory of relativity is that the speed of light in vacuum is constant in every inertial reference frame.

Vote Up
Vote Down

Originally posted by @pjmasks
why is light so important?
Try turning out all the lights to figure that one out.

Vote Up
Vote Down

Originally posted by @kazetnagorra
It helps you see.
What if you are blind?

Is it still important? 😲

Vote Up
Vote Down

Originally posted by @whodey
What if you are blind?

Is it still important? 😲
good point..

Vote Up
Vote Down

Originally posted by @pjmasks
good point..
Light still helps you warm up.

Vote Up
Vote Down

Originally posted by @sonhouse
Light still helps you warm up.
Infra-red is not colloquially referred to as "light".

Vote Up
Vote Down

Originally posted by @wolfgang59
Infra-red is not colloquially referred to as "light".
You should *lighten* up sparky😉