Kategori: Science

In a remarkable display of creativity, the University of Maryland has portrayed a prototype nanobattery created by researchers as being made of wood, sending the blogosphere into a tizzy. “A sliver of wood coated with tin could make a tiny, long-lasting, efficient and environmentally friendly battery,” the university claims. A video strengthens that impression. However,…

AeroVelo, a team of engineers and students dedicated to developing lightweight, efficient aeronautical designs, kept a human-powered helicopter aloft for more than 1 minute, a feat that snagged a US$250,000 cash prize that had eluded competitors for more than three decades. The team, led by Todd Reichert and Cameron Robertson, won the challenge issued in…