Most of the wind and solar energy powering Georgetown in Texas is travelling halfway across a state on a par with France in terms of physical size.

Georgetown in the state of Texas is one of the only cities in the United States powered entirely by renewable energy sources. As the city is overwhelm(...)

Prof Guihua Yu He has created an all-stretchable battery for wearables using sugar cubes as a platform for designing the battery materials. Photograph: David Crockett/Getty Images

When it comes to choosing a career, it’s not uncommon for a son to follow in his father’s footsteps. Cynics might be quick to accuse any family-run en(...)

Iron Man 3: still some way from becoming reality

Interviewing a robotics expert who is focused on all the shortcomings of current exoskeleton research is a little like listening to someone tell you a(...)