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fun sonic grenade - annoy your friends!
the holidays had just started and i needed something to do, so i had a look on instructables and found this:http://www.instructables.com/id/Sonic-Grenade-from-Mostly-Scavenged-Parts/ i decided to make...
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Make a red head-torch for astronomy - Under $10
Getting a glimpse of the night sky on a budget can be difficult, my cheap refracting telescope has a hard time taking enough light in from distant sky objects as it is, improving your own vision at...
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Chladni Plate - Visualize resonance!
Sound is a key part of the world we live in, but what you might not know, is the way in which sound can affect the motion of a structure. For any object, there are certain "resonant" frequencies of...
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Convert your Jigsaw into a Scrollsaw
After trying to cut out intricate shapes using a jigsaw (to no avail), and seeing guyzo35's Instructable on the subject, I knew I had to make one of these for my own. In this instructable, we'll...
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