Description:
Discussion relating to the science of optics.
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photons and reflection
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According to the wave theory of light, angle of incidence equals angle of reflection. No problem, in theory or fact. However, per QM, light falls as a 'rain' of photons. What happens then? As I understand it (big qualifier there), the photons are absorbed by surface atoms. Electrons jump to higher energy orbitals, then fall... more »
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Explosive Lens shape
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I am trying to determine the cone shape of the Baratol (slow) explosive placed on the middle of the explosive lens, whose purpose is to focus the blast waves emanating from the detonator, to the pit: [link] (C on diagram, below) Now, it seems (and I say "it seems" because I haven't seen it documented... more »
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interferogram analysis
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Hi, I am looking for the next book: Robinson D.W., Reid G.T: Interferogram analysis: Digital Fringe Pattern Measurement Techniques, Institute of physics publishing, bristol, 1993 Can anybody email me that book? Thanks J
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Time for moderation?
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This used to be a pretty serious group. The deluge of spam makes me think it is time to consider making this a moderated group. What do others think?
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How to Build a Successful Homepage
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A site's homepage is the first page the user stumbles upon and it gets most of the search engine's focus. This article will summarize several important points one should remember when constructing a homepage. The 'ultimate' goal of a website is to sell - service, product, incoming contact, a specific reaction - and a homepage must summarize... more »
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