NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

Molten metal jets formation during operation of vacuum arc discharge for a wide range of cathode spot cell sizes and electric currents has been studied. In our model, this process has been divided ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...