Free Energy Nitinol Heat Machines invented in the early 1970s

Heat engines are nothing new. The sterling engine has been around for a century. Is this engine more efficient than a sterling? Might be. But I doubt it. The sterling engine is pretty efficient.

And the thread title is simply wrong. This engine runs on energy produced somewhere else. It converts thermal energy from another source into kinetic energy. It doesn't GENERATE any energy.
 
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