From the zany to the dangerous to the just plain dumb, here is TIME's list (in no particular order) of some of the world's bright ideas that just didn't work out...

Aug 16, 2025 · 10 of the world's worst-ever inventions From the electric tricycle to parachute coat, these are some of the most poorly received devices developed around the globe.

If you're ready to be disappointed, let's take a look at 20 of the absolute worst inventions—from the AVE Mizar flying car to pop-up advertisements—of all time.

Jan 17, 2025 · For tech enthusiasts and innovation watchers, examining failed inventions provides invaluable insights into why some technologies succeed while others become expensive footnotes in …

Sep 10, 2024 · These inventions, while necessary, present a complex balance of benefits and drawbacks that might make you reconsider their true impact. From unnecessary gadgets to …

Feb 9, 2024 · I know it's not super significant compared to other inventions that could've negatively impacted society. I'm trying to think of something that might not have been mentioned here yet lol.

Jul 23, 2025 · Since the dawn of humanity, inventions have lifted our quality of life in countless ways. However, a few inventions have actually made our lives worse.

May 7, 2024 · Step into the fascinating world of failed inventions! From hydrogen blimps to plastic bags, see the dark side of progress through these dubious innovations.

Sep 23, 2021 · Unlike the most useless inventions, which aren't so much harmful as they are just plain dumb, these inventions changed the course of history forever and are thought of by many as the …

Feb 9, 2021 · When it comes to inventing things, trial and error is the bread and butter of tinkerers. With that in mind, here are some of the most interesting failed inventions in history. 1. Radioactive...