The problem is that these ideas are often unfeasible, but some do make the grade! Just check out these 20 inventions - you'll understand why these people deserve their genius status.
1. Keep your floors clean with this automatic shoe protector dispenser
2. So you can breathe through your mouth and your nose
3. A shower curtain with waterproof pockets for your phone and tablet
4. A subway train library
5. Check out this space-saving round radiator!
6. A levitating glass
7. Bar codes so you can scan and order a supply
8. In this hotel in Odessa, Ukraine, the elevator has a carpet that reminds you what day it is
9. A rocking bed!
10. To keep things orderly
11. Awesome and cute egg-inspired furnishing
12. So your ceiling is covered with star formations
13. An intelligent glass that recognizes its contents
14. A radiator with patterns that change according to the temperature
15. One for tea-lovers!
16. So you don't trip over it during the night
17. We love this hedgehog idea!