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> Nano-Radiometric Effect Possible? *
sanman
Posted: May 30 2004, 10:53 PM


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Would there be any way to create a "nano-radiometric" effect, by
covering the surface of an object (eg. airship) with many nano-sized
radiometric structures?
Suppose you had a surface covered in a nano-sized triangular or
sawtooth pattern, with the front face of each tooth reflecting more
light and the back face of each tooth absorbing more light. Could this
generate a net thrust in the rearward direction, to propel an object
forward?

http://www.globalwarmingsolutions.co.uk/cr..._otheoscope.htm

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Jim Logajan
Posted: May 31 2004, 08:19 PM


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The absorbing side will heat the object, which will be a real concern since
the amount of light needed to generate any thrust of interest will be quite
intense. At some point (rather quickly I suspect) your object will be
radiating itself - about the time it turns to ash.

I'm not sure for what environment your proposal is intended, since I can't
think of anywhere on Earth where you'd find omnidirectional high intensity
light.
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Chris Phoenix
Posted: Jun 16 2004, 06:59 PM


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Hm... this sounds a bit like a light sail. Not too useful on earth, but
very useful in space. I don't think you need discrete nano-sized
structures, but nanotech would help build much lighter light sails.

Chris
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einfopedia
Posted: Mar 20 2012, 05:43 AM


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this is not suitable....you have to find another high light intensity.
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mathewthemathandphysicsgod
Posted: Jun 9 2012, 04:29 AM


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Hmmmm. Interesting, nanobots could significantly lower the weight of the sail, therefor making it much faster and thus requiring a smaller size. However, unless the nanobots shifted very quickly so that the light-absorbing sides were shifted in a constant pattern that did not damage the overall speed it would overheat.
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ranirajput
Posted: Sep 30 2012, 08:10 PM


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Ok...I agree with "Chris Phoenix" this sounds a bit like a light sail. Not too useful on earth, but its very useful in space.And I don't think you need discrete nano-sized
structures, but nanotech would help build much lighter light sails.
And due to that this is not very suitable.... I think you have to find another high light intensity.If you ask me I'll say that you shoul find another High light intencity..
:-)


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