light

pjmasks

Science

12 Aug 18

pjmasks

Joined: 11 Jul 18
Moves: 569

12 Aug 18

why is light so important?

KazetNagorra

Germany

Joined: 27 Oct 08
Moves: 3118

12 Aug 18

It helps you see.

sonhouse

Fast and Curious

slatington, pa, usa

Joined: 28 Dec 04
Moves: 53321

12 Aug 18

Originally posted by @kazetnagorra
It helps you see.

But it lowers the ability to smell😉

Woofwoof

Joined: 06 Nov 15
Moves: 41301

12 Aug 18

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

KazetNagorra

Germany

Joined: 27 Oct 08
Moves: 3118

12 Aug 18

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.

whodey

Joined: 02 Jan 06
Moves: 12857

13 Aug 18

Originally posted by @pjmasks
why is light so important?

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

whodey

Joined: 02 Jan 06
Moves: 12857

13 Aug 18

Originally posted by @kazetnagorra
It helps you see.

What if you are blind?

Is it still important? 😲

pjmasks

Joined: 11 Jul 18
Moves: 569

13 Aug 18

Originally posted by @whodey
What if you are blind?

Is it still important? 😲

good point..

sonhouse

Fast and Curious

slatington, pa, usa

Joined: 28 Dec 04
Moves: 53321

13 Aug 18

Originally posted by @pjmasks
good point..

Light still helps you warm up.

wolfgang59

Quiz Master

RHP Arms

Joined: 09 Jun 07
Moves: 48794

14 Aug 18

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

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

sonhouse

Fast and Curious

slatington, pa, usa

Joined: 28 Dec 04
Moves: 53321

25 Sep 18

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

You should *lighten* up sparky😉