Heavy artillery, Tanks, Bombs, Guns (except water pistols) Any torture device ever created....although someone would invent another, and another... Fake nails, Fake eyelashes Productivity Monitors Packaged Cigarettes Deadly Synthetic Drugs The 24-hour News Cycle Paul McCartney's Holiday Hit, "Simply Haaaaaaving a Wonderful Christmas Time" Flavored … Continue reading Things I would un-invent if I could…