I test some IR lasers 780nm and 980nm to see how they work with homemade night vision. 635nm laser.
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I test some IR lasers 780nm and 980nm to see how they work with homemade night vision. 635nm laser.
.Continue reading
I give a brief book reveiw of The Western Front by Archer Garrett.
Free download http://www.amazon.com/dp/B008ELAZJ8
Paperback Continue reading
Arm yourself with knowledge to battle the heat.