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Thread: Photosensitivity

  1. #1 Photosensitivity 
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    i have been thinking about cameras, and how the film is an extremely sensative material. so sensitive, in fact i practically burns. i have been wondering, are there any substances/materials/chemicals that are so sensitive that photosensitivity turns to photorepulsion?


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  3. #2  
    Forum Professor pyoko's Avatar
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    What do you mean by photorepulsion?

    There are chemicals that are so light sensitive that they explode.


    It is by will alone I set my mind in motion.
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  4. #3  
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    by photorepulsion, i am refering to a property of the chemical where when a photon hits it, the chemical molecule moves. thus photons --> motion.
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    Quote Originally Posted by josh hinds View Post
    by photorepulsion, i am refering to a property of the chemical where when a photon hits it, the chemical molecule moves. thus photons --> motion.
    Like in solar sails and radiation pressure?

    If you get a substance that is very reflective, it will be pushed more by the electromagnetic radiation. If 100% of the radiation is reflected, the pressure id doubled.

    http://en.wikipedia.org/wiki/Radiation_pressure

    If absorbed, the pressure is the power flux density divided by the speed of light. If the radiation is totally reflected, the radiation pressure is doubled. For example, the radiation of the Sun at the Earth has a power flux density of 1,370 W/m2, so the radiation pressure is 4.6 ÁPa (absorbed).
    It is by will alone I set my mind in motion.
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