I'm impressed by this video of a laser harp in operation.
Plans to build your own, plus more information, are available from Stephen Hobley, plus more videos of it in action. He warns to buy laser-proof safety goggles before you try it out!
Peter
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Kat really needs our help
Late last month, I wrote about Kat Ainsworth Stevens . She's a friend and occasional member of the North Texas Troublemakers, and an a...
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1 comment:
Extremely cool (that's according to my daughter, too!)
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