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Anyone who's ever had a bike stolen and thought, "I wish the tools of biological warfare could have prevented this!" is in for some great news. San Francisco entrepreneur Daniel Idzkowski and his buddies are working on the SkunkLock, an anti-theft device that would spray any lock-cutter with a nauseating chemical gas. Theoretically, it's foul enough to cause him to puke, possibly all over his cool thief outfit.

https://www.youtube.com/watch?v=v3E7Ux10DGc

Whether this actually works (and passes legal muster) or not, the important thing here is that the inventors have been testing the "noxious chemicals" on themselves to ensure their potency. Now that's some good old-fashioned science.