See these 10 inventions, all of them worth developing. What happened?
Several of these have such profound implications they could have changed the course of humanity, of life on earth. They could have prevented suffering of different kinds, ranging from lung cancer to the destruction caused by the fossil fuel and nuclear industry.
We might have had electric cars...water fuel cell vehicles...free energy...
Why didn't these inventions continue to be explored? What is fact and what is fiction? What is hoax? Were they sabotaged?