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Photomultiplier Tube

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Photomultiplier Tube

Postby Harry Dalek » Thu Nov 15, 2012 8:00 pm

Photomultiplier Tube here on ebay looks nice and cheap..
http://www.ebay.co.uk/itm/Photomultipli ... 3a7b0fb109
The electromagnetic spectrum has no theoretical limit at either end. If all the mass/energy in the Universe is considered a 'limit', then that would be the only real theoretical limit to the maximum frequency attainable.
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Harry Dalek
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