Michael Fitz, from New Jersey, leading petty officer (LPO) of the Reactor Mechanical (RM) Division aboard the pre-commissioning aircraft carrier JOHN F. KENNEDY (CVN ...

With its relatively long half-life of 432 years and more accessible production routes, americium-241 presents a compelling ...

The aerospike has been considered as a replacement for the bell-shaped nozzle rocket engine for nearly 70 years. The ...