CHEYENNE, Wyo. – It’s longer than two city buses, weighs more than a Boeing 747 fully loaded with passengers and can pull 16 Statues of Liberty over a mountain. The Big Boy No. 4014 steam locomotive ...

Many of us have read about Stirling engines, engines which form mechanical heat pumps and derive motion from the expansion and contraction of a body of air. A very few readers may have built one, but ...

Tiny engine. Big power. ⚙️💡 Watch this real working mini steam engine drive a street light generator—a tribute to classic mechanical engineering. Steam, light, and pure satisfaction!