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The math in that article is wrong. Light intensity falls off exponentially not linear with depth. So all the conclusions regardings numbers are more...
That is 50W, right?
Well, that is the mainly the spectrum of the LCD monitor (Seems to have a blue/white, green and red background light). Of course, you not can get a...
Well, at least on the picture on my screen (focussing on the white spot), it is not 660nm:[IMG] Happy Christmas, Steffen
It is just anisotropic reflection. Depending on the angle, different colors are reflected better. Like with a bad LCD Display.
Actually, no. The human eye see down to around 390nm. That is where the invisible violet - the UV - starts. PS: Wiki contradicts itself there in...
The LED description on the shop website is wrong or misleading. If you look at the specification of the sold LED (LXML-PWC2)...
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