Many spacecraft depend on hydrazine in their fuel, but it's extremely hazardous -- and that means very careful fueling processes that slow things down. NASA will soon have a safer option, however. It's about to test-fly the Green Propellant Infusio...
NASA spacecraft will use fuel that’s safer for humans
Many spacecraft depend on hydrazine in their fuel, but it's extremely hazardous -- and that means very careful fueling processes that slow things down. NASA will soon have a safer option, however. It's about to test-fly the Green Propellant Infusio...
The Army has its HEL-MD (not to mention is working on GI Joe-style rifles and minesweepers); the Navy put a battleship-mounted railgun aboard the USS Ponce; and within the next five years, the Air Force expects to have laser weapons of its very own...
