Sorry , squirrels . grim , neighbors . grim , kid sister . Sorry , pets . Sorry , Grandma . dismal , teacher . no-count , just about everyone else . With this DIY optical maser - sighted catapult , all my mischief is about to get a lot more accurate .
The tutorial come from Kipkay , the humans behind theDIY optical maser certificate system of rules , theDIY laser lighter , and countless other exciting DIY optical maser projects . This one , which may or may not be brought to you by Wonderful Pistachios , is my favorite yet . If only my 12 twelvemonth old self were around to see this . [ KipkayviaNeatorama ]
https://gizmodo.com/diy-laser-security-system-will-entrap-any-burglar-excep-363308
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