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- Sat Nov 01, 2014 11:16 pm UTC
- Forum: Individual XKCD Comic Threads
- Topic: 1441: Turnabout
- Replies: 44
- Views: 14120
The laser pistols that they use must have very focussed beams.... When I was studying Surveying, the faculty had a laser canon, for satellite surveying (shooting laser beams at the moon actually). They told us that even with the focussed laser light that they used, when they would shoot a laser puls...