Solving the Grid Storage Bottleneck

Solving the Grid Storage Bottleneck

One of the major roadblocks to going full renewable on the world’s electric grids is the storage problem. Intermittent renewable sources of energy, such as wind and solar, only provide grid power some of the time, for example when the sun is shining or the wind...
Getting-closer-to-human prosthetics

Getting-closer-to-human prosthetics

When I wrote about DARPA’s Revolutionizing Prosthetics program in Popular Science back in 2007, the editors, without running it by me first, called it out on the cover with a headline that sold the project as creating a “bionic arm that’s better than...
Businessweek: hybrid drones

Businessweek: hybrid drones

Bloomberg Businessweek has my writeup in the May 11-17, 2015 issue on Top Flight’s hybrid power drones. A gasoline engine on board charges the batteries that run the rotors, giving the drones 2 hours or more of flight time versus the 15-30 minutes more typical...