Propelling satellites with electricity and salt? No problem for this Parisian startup

In 2018, Elon Musk put a Tesla in space. Like many of the billionaire’s antics, it was a publicity stunt. However, it pointed to an undeniable truth: the future of space travel is electric.   Most spacecraft today — like cars and trucks back on Earth — burn chemicals to get around. But space agencies like NASA, ESA, and France’s CNES have been experimenting with electric thrusters for decades, in a bid for a cleaner, more efficient way to propel satellites. A f