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webmonkeyuk
on June 15, 2011
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Laser-made bike lane could save lives
Looks great, until you ride up a hill and project the pattern into the sky!
This device will be particularly cool in foggy conditions or in smoke.
juiceandjuice
on June 15, 2011
[–]
What grade did you get in geometry?
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This device will be particularly cool in foggy conditions or in smoke.