AC adapters

(Newser) - Dell has acknowledged that some of its laptops give a “tingling sensation” to users when plugging in cables or accessories—but insisted the “voltage does not present any risk of injury.” Complaints about the surprise jolts have been trickling in about a few different models for the...

(Newser) - Researchers at MIT are getting ready to pull the power cord on your laptop, with wireless electricity—dubbed WiTricity—that would recharge everything from cell phones to iPods from 15 feet away. The team recently lit a 60-watt bulb from 7 feet off, using a carefully designed magnetic field, the...