Latest Marin Soljačić Stories
There are several ways to "trap" a beam of light — usually with mirrors, other reflective surfaces, or high-tech materials such as photonic crystals.
SAN FRANCISCO - Imagine juicing up your laptop computer or cell phone without plugging them into an electrical socket. That's a luxury that could be provided by wireless power transmission, a concept that has been bandied about for decades but is creeping closer to becoming viable.
Massachusetts Institute of Technology researchers made a 60-watt light bulb glow by sending it energy wirelessly - from a device 7 feet away - potentially heralding a future in which cell phones and other gadgets get juice without having to be plugged in.
- In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.