Student team unveils world's first solar-powered family car

The Solar Team Eindhoven (STE) of TU/e in the Netherlands presented the world's first solar-powered family car today. 'Stella' is the first 'energy-positive car' with room for four people, a trunk, intuitive steering and ...

Mars 2020 rover gets its wheels

In this image, taken on June 13, 2019, engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, install the starboard legs and wheels—otherwise known as the mobility suspension—on the Mars 2020 rover. They ...

Reinventing the wheel -- naturally

Humans did not invent the wheel. Nature did. While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today's racing bikes can be seen as the result of human ingenuity, ...

There's a big rock stuck inside one of Perseverance's wheels

It looks like the Perseverance rover has an unwanted passenger, a rock stuck inside one of its wheels. The image of the stone was selected by public input as the "Image of the Week" for Week 54 (Feb. 20–26, 2022) of the ...

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