This tiny, solar-powered, bee-like robot could be the future of drones. One day, anyway. Flying machine ... and you can even buy a few toys that flap through the air. But these machines lack ...

Do you remember the hydrogen fuel cell powered toy cars that we have shown you in ... but can't quite afford the hydrogen version, consider going solar instead. Neat Solar Stuff offers a few ...

Solar-powered plane concepts typically focus on high-efficiency glider-type designs, so as to make the best possible use of the limited power available from the sun. [rctestflight] wanted to try a ...

Flying on the power of the sun is definitely not a new idea, but it usually involves a battery between the solar panels and the propulsion system. [ukanduit] decided to lose the battery completely ...

A solar-powered winged robot has become the lightest machine capable of flying without being attached to a power source. Weighing just 259 milligrams, the insect-inspired RoboBee X-Wing has four ...

you can always buy them a fuel cell-powered toy car like the H-ROVER or the H2GO. Should you wish to show them the merits of solar power, there are also quite a number of solar panel-equipped cars ...

We first covered California-based Alta Devices' solar cells being used on UAVs in 2013, when they enabled a prototype solar-powered version ... and/or balloons flying at such altitudes.