Traveling over our heads at hypersonic speeds beyond Mach 7, lies the future of spy plane technology. It can be anywhere in ...

However, that formula doesn’t work as well when you try to shift to electric drive. The reason, as always, is down to energy density. Throw enough batteries into a jet ski to run a powerful ...

This could be lighting a campsite, cooking or "charging an electric jet ski". Its goal is "to sustain ... electric vehicles will look like. As cool as the concepts are, take them with a pinch ...