light

why is light so important?

It helps you see.

Originally posted by @kazetnagorra
It helps you see.

But it lowers the ability to smell😉

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

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.

Originally posted by @pjmasks
why is light so important?

Try turning out all the lights to figure that one out.

Originally posted by @kazetnagorra
It helps you see.

What if you are blind?

Is it still important? 😲

Originally posted by @whodey
What if you are blind?

Is it still important? 😲

good point..

Originally posted by @pjmasks
good point..

Light still helps you warm up.

Originally posted by @sonhouse
Light still helps you warm up.

Infra-red is not colloquially referred to as "light".

Originally posted by @wolfgang59
Infra-red is not colloquially referred to as "light".

You should *lighten* up sparky😉