Want to read Slashdot from your mobile device? Point it at m.slashdot.org and keep reading!


Forgot your password?
Take advantage of Black Friday with 15% off sitewide with coupon code "BLACKFRIDAY" on Slashdot Deals (some exclusions apply)". ×

Sugar Batteries Could Store 20% More Energy Than Li-Ions 152

An anonymous reader writes "Scientists at the Tokyo University of Science have developed a way to create sugar batteries that store 20% more energy than lithium-ion cells. Before it can be used as the anode in a sodium-ion battery, sucrose powder is turned into hard carbon powder by heating it to up to 1,500 degrees celsius in an oxygen-free oven." Except that swapping batteries might be a bit tricky, I can think of a perfect application for these.

OLPC 2.0 — One Laptop Foundation Reboots 187

Greg Huang writes "In early January, the One Laptop Per Child Foundation laid off half its staff and shed work on the Sugar graphical interface. Now, OLPC founder Nicholas Negroponte and president Chuck Kane for the first time detail the foundation's new plans, describe how the XO laptop will do what netbooks can't do, and share their hope to keep working with Sugar developer Walter Bender, who left OLPC last year."

Philosophy: A route of many roads leading from nowhere to nothing. -- Ambrose Bierce