Computational study finds maximum packing density of 55,000 different shapes
'Cheetah' robot rivals running animals in efficiency (w/ video)
A 70-pound "cheetah" robot designed by MIT researchers may soon outpace its animal counterparts in running efficiency: In treadmill tests, the researchers have found that the robot—about the size and weight ...
Study finds benefits of plug-in vehicles depend on battery size
Thinking about buying a new plug-in vehicle? You may want to check the size of its battery first.
Wolves howl because they care
When a member of the wolf pack leaves the group, the howling by those left behind isn't a reflection of stress but of the quality of their relationships. So say researchers based on a study of nine wolves ...
Tesla patent describes hybrid battery pack system for EVs
Third fire in Tesla Model S reported
A Tesla Model S electric car caught fire this week after hitting road debris on a Tennessee freeway, the third fire in a Model S in the past five weeks.
Volkswagen will debut XL1 hybrid at March auto show
Tesla says car fire began in battery after crash
A fire that destroyed a Tesla electric car near Seattle began in the vehicle's battery pack, officials said, creating challenges for firefighters who tried to put out the flames.
Tesla fire shows electrics face safety challenges
When debris on a Seattle-area freeway pierced the battery of a $70,000-plus Tesla Model S and touched off a raging fire, it raised new safety concerns for electric-vehicle owners.
US closes investigation of Tesla battery fires
The U.S. government's auto safety watchdog has closed an investigation into Tesla electric car battery fires after the company said it would install more shields beneath the cars.
US battery maker claims electric car breakthrough
A US manufacturer said Tuesday it had developed a new automotive battery which can perform in extreme temperatures, offering the potential to cut the cost of making electric cars.
Robofish grace glides with the greatest of ease
(Phys.org)—A high-tech robotic fish hatched at Michigan State University has a new look. A new skill. And a new name.
Understanding the life of lithium ion batteries in electric vehicles
Scientists today answered a question that worries millions of owners and potential owners of electric and hybrid vehicles using lithium-ion batteries: How long before the battery pack dies, leaving a sticker-shock ...
SolarCity to back up solar with Tesla batteries
The solar panel installer SolarCity is beginning to address one of solar power's big drawbacks: The sun doesn't always shine.