Great overview of the history and mechanics of engines and petroleum, from the late 80’s/early 90s television show “The Secret Life Of Machines.” An entertaining and informative presentation, even for those who work with this stuff on a daily basis.

The hosts’ comparison on the power of gasoline to black powder is especially impressive: using a makeshift cannon, they demonstrate how far a projectile launches with a spoonful of black powder, then with a spoonful of gasoline. The difference is astounding.