To some extent, everyone's in the market for a jet pack. But since Bell Labs built the first rocket belt (the correct, if less exciting, name) in 1953, potential buyers have been stymied by two ...

DER-659 is a high-line input flyback converter design. The key design goals were high power density, high efficiency, low no load consumption, and best in class thermal performance. This is intended ...

It could be because rocket belts aren’t for sale. Or because prototypes can weigh upwards of 100 lb and only carry enough fuel to stay aloft for less than minute. Now, one of these obstacles has been ...