LED reflection
On the left, is the back of a 3mm LED. On the right is its refection from an epoxy mirror that was about 3 metres away. The lines across the front are the edge of a ruler (vertical line) and the 1mm graduations. 2012 April 30.
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Uploaded on May 2, 2012
LED reflection
On the left, is the back of a 3mm LED. On the right is its refection from an epoxy mirror that was about 3 metres away. The lines across the front are the edge of a ruler (vertical line) and the 1mm graduations. 2012 April 30.
142
views
0
faves
0
comments
Uploaded on May 2, 2012