Scientists invented a real-life flux capacitor, but not for time travel

The device is a new type of electronic circulator, which can control the directional movement of microwave signals. The scientists, who published their research in Physical Review Letters, have proposed two different potential circuits — one of them borrows the design of the three-pointed flux […]

A helicopter for Mars and four other audacious concepts for space exploration

Image credit: NASA/JPL-Caltech Not even 12 miles. That’s how far NASA’s beloved Curiosity rover has traveled across the surface of Mars in its six years at the Red Planet. It’s time for a marscopter. NASA has announced that a Mars Helicopter, a small autonomous rotorcraft, […]