Without question, the Rolls-Royce Merlin engine is one of the greatest piston pushers ever made. The 27-liter V12 was built in the 1930s and 1940s and would eventually go on to power allied fighter ...

Lego vehicles don’t typically escape the realm of electric power, but as we’ve seen before, you can build air-powered engines with the building blocks, and they can even do useful work. Getting them ...