light

Standard memberpjmasks
Science 12 Aug '18 14:29
  1. Joined
    11 Jul '18
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    12 Aug '18 14:29
    why is light so important?
  2. Germany
    Joined
    27 Oct '08
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    12 Aug '18 14:51
    It helps you see.
  3. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
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    12 Aug '18 15:16
    Originally posted by @kazetnagorra
    It helps you see.
    But it lowers the ability to smell😉
  4. SubscriberWOLFE63
    Tra il dire e il far
    C'e di mezzo il mar!
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    12 Aug '18 19:16
    Isn't its speed a universal constant by which we measure "space-time"?
  5. Germany
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    12 Aug '18 20:07
    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.
  6. Joined
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    13 Aug '18 18:24
    Originally posted by @pjmasks
    why is light so important?
    Try turning out all the lights to figure that one out.
  7. Joined
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    13 Aug '18 18:24
    Originally posted by @kazetnagorra
    It helps you see.
    What if you are blind?

    Is it still important? 😲
  8. Joined
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    13 Aug '18 19:30
    Originally posted by @whodey
    What if you are blind?

    Is it still important? 😲
    good point..
  9. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
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    13 Aug '18 21:20
    Originally posted by @pjmasks
    good point..
    Light still helps you warm up.
  10. Standard memberwolfgang59
    Infidel
    Dunedin
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    14 Aug '18 11:11
    Originally posted by @sonhouse
    Light still helps you warm up.
    Infra-red is not colloquially referred to as "light".
  11. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
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    25 Sep '18 15:47
    Originally posted by @wolfgang59
    Infra-red is not colloquially referred to as "light".
    You should *lighten* up sparky😉
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