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Enfucell, based outside Helsinki, builds batteries out of paper. Its SoftBattery works much the same way as ordinary "button" batteries (like the one in your watch) and "finger" batteries (think AA). Ions travel from an anode, pass through a solution called an electrolyte to a cathode and emerge as an electrical charge. Instead of running ions through metal casings full of toxic and corrosive substances like lithium and alkaline, Enfucell uses a thin paper sheet as a conduit. It pastes one side with zinc and the other side with manganese dioxide. Ions flow through an electrolyte solution of water...
Enfucell batteries won't power your digital camera, your flashlight or your watch. At 1.5 volts they might be sufficiently powerful, but they don't last long enough. Rather, Happonen hopes first to sell large quantities to the makers of RFID (radio frequency identification) tags, which don't draw constant power and lend themselves to the battery's thinness. RFID tags are the tiny chips that are replacing bar codes. They wirelessly transmit information about themselves, making it easier to track, say, what's in stock in a store. Battery-powered RFID tags can transmit farther than non-battery-powered...
...only thing more upsetting to watch than Harvard getting owned at last year’s Harvard-Yale football game was the naked MIT boy running around the field. Well, the joke is on you, MIT. Your streakers are not attractive. Here are 15 people we’d actually like to see nude in New Haven: 1) Dean Pilbeam. The man must have a nice body, what with his abstaining from alcohol and the workout he gets from killing parties. 2) Domna. A regular at Hemenway gym, and she also works off calories by booting tourists and ID-less...
...Boston Filmed” series, they’ll be screening “Love Story,” the last movie to be filmed at Harvard. Look for Emerson Hall (referred to as Barrett Hall), Leverett Towers, the ugliest lead actress in history, and other landmarks. Watch out for the ending though–it’s a killer. Friday, Nov. 16, 5:00, 7:15, 9:30 pm. Brattle Theater. $9.50. 3) Get Your Gears Turning There’s a 10 mile bike tour of Boston through the Stonybrook reservation and along Mother Brook this Saturday...
...second year in a row, the Harvard women’s soccer team has had to watch another group of players celebrate an Ivy League championship on Ohiri Field. Penn (13-3-1, 6-1-0 Ivy) clinched sole possession of the league title Saturday by downing the Crimson, 1-0. A 15th-minute goal from Penn’s Jessica Fuccello—her 11th goal of the season—coupled with an impressive defensive display was enough to defeat Harvard in a match of very few chances. A year ago, it was Columbia that clinched...