Model steam train firm to close after 88 years because of anti-terror ‘red tape’
A model steam train firm has ceased production ... The models’ engines are powered by steam-driven pistons, which are set ...
The National Interest22d
The Ford-class Carrier’s EMALS Catapult Is Changing Naval Aviation
The EMALS is an electromagnetic catapult that relies upon a linear induction motor, rather than a traditional steam piston, to launch aircraft. The linear induction motor, as the name implies ...