Here is the list of 9 Suppressed / lost inventions in history that could have changed the world. From a strange time travel machine to a mechanic who invented a water fuelled car. 9. Water Fuel Cell 8. Cloud buster 7. Starlite 6. Rife devices 5. Sloot digital coding system 4. Ogle’s Carburetor 3. Greek Fire 2. Chronovisor 1. Project X.A.