I just found this really cool list about inventions that seem impossible but that actually worked.
Here they are:
1. The Space Energy Converter
2. Cold Fusion (of course not the programming language & app. server)
3. System to split water from fuel by using resonance
4. System for sending power wirelessly
5. Anti-Gravity device
6. A metod for trasmutation of elements
7. Orgone Accumulator
8. The Cloudbuster
9. The Rife microscope & frequency generator
10. Electronic Telepathy Device
These are all really interesting ideas and inventions that i hope people would seriously work more on bringing to everyday life and reality.
For the full details on the list above, click here.