How power of a laser can be

Photo How power of a laser can be by htpow
htpow
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Other
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Exif:
1/2s f/11.3 ISO 100 50mm
Description:
To stop damage to environment and attract new fans, the IOC has mooted using lasers in shooting competitions.The greatest pitfall as reported by the proponents of the laser reflecting shield theory is the high energy consumption.We can play tricks with lasers that we can not do with spontaneous emission.
Fore more:
http://www.htpow.com/miniature-laser-engraver-p-1161.html
Tag(s):
lasers
by htpow 24 march
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