reddit Popcorn ceilings, leaded gas, and other inventions that have "done more harm than good," according to Reddit David Pescovitz

Engineering Coat hanger radio David Pescovitz

inventions A low-tech and ingenious way to catch fish Mark Frauenfelder

inventions Clip-on motor to turn a bike into an ebike Clive Thompson

inventions Self-strumming guitar Clive Thompson

inventions The story of the ballpoint pen Mark Frauenfelder

useful stuff The Burrito Pop seems silly at first, but it's actually a good idea Mark Frauenfelder

music While My Guitar Gently Weeps performed with extra guitar neck Rob Beschizza

police Electric glove for police to handle "rough characters" David Pescovitz

inventions Scientists invent an electronic device that cancels sound coming through windows Mark Frauenfelder

artificial intelligence An AI that invented two things can't receive patent Mark Frauenfelder

Funny Clever inventor designs sock removal device Xeni Jardin

Games The game Operation was born as a test of desert survival skills David Pescovitz

Business How wallpaper cleaner became one of the most popular toys ever David Pescovitz

happy mutant Inventor figures out how to sync music to windshield wipers Rusty Blazenhoff

makers The Slinky was invented by accident David Pescovitz

happy mutant Crocs gloves: "dad's favorite shoes… for your hands" Rusty Blazenhoff

patents This nail dispensing hammer is a work of genius Séamus Bellamy

crime A painful device to punish hat thieves David Pescovitz

makers Men: Rest your weary head while urinating David Pescovitz