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It's astonishing that Scientific American is having to publish an article on How Not To Be Killed By The Police, but here it is (www.scientificamerican.com)

submitted 4 days ago by yogthos@lemmygrad.ml to c/chapotraphouse@hexbear.net

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[-] WizardOfLoneliness@hexbear.net 14 points 3 days ago

They're actually kinda scary ngl

I posted a video the other night i saw of some nerd on youtube who built some stupid powerful laser, already enough to set records, then put an optical lens on it to focus it and long story short it could ignite (burning, not melting) a penny in seconds