Parameters controlling the pulsatile jet and its thrust are identified. The thruster was empirically tested for a large range of frequencies and stroke ratios. The thrust characteristics of the device ...

hydrogen peroxide fuel comes in at around $10.36 per kilogram, while hydrazine topped the cost chart at around $75.8/kg.

NASA’s DART mission wasn’t designed to study—it was designed to hit. A 570 kg spacecraft, no bigger than a fridge, ...