But the idea of steam-powered engine was not unknown to Greek philosophers. Of course it was just a mere toy. Still, first commercially developed steam engine (James Watt) had, as far as I remember, something like 1,5 percent of energy conversion efficiency.
But the idea of steam-powered engine was not unknown to Greek philosophers. Of course it was just a mere toy. Still, first commercially developed steam engine (James Watt) had, as far as I remember, something like 1,5 percent of energy conversion efficiency.