, charging robots to do your housework. It could also charge medical equipment (设备). Without wires...; over the air without wires (线). The researchers filled the room with magnetic fields. They can ……

. This new battery lets them work without needing external power. Currently, these batteries are attached to the robots by wires, but in the future, scientists hope to build the batteries ……

end a paper letter was attracted to the charge. A no-hoper, of course ?far too many wires.Still... — far too many wires. (paragraph 1)Telecommunications began when the new idea of "an electric ……

– without wires or cables. The life-changing invention from the Massachusetts Institute of Technology...OK, say good-bye to the cables, plugs and chargers that mess up your room. Scientists have ……

without wires? WiTricity, a US-based company is working on this technology – wireless (无线的) electricity... in this field can get power. This way, smartphones will charge (充电) in your pocket as you wander around ……

with swimming, it can work without wires (电线). The robot is controlled by radio waves, and it has three sensors... in the water. Having a little tail to help with swimming, it can work without wires (电线). The robot ……

Nuclear-powered battery for the massesA NEW type of battery using theradioactive decayof nuclear material could last a decade or more without a charge, scientists announced this week. It could ……

THE fashion spotlight, or rather sunlight, shone on a new solar-powered jacket at a recent demonstration in Las Vegas.This jacket has integrated solar panels that can charge cell phones, PDAs, Game ……

(污染). It can swim and work without wires (电线). According to the team, scientists can power and control... for water pollution (污染). It can swim and work without wires (电线). According to the team, scientists can ……

The spring 2015 semester is in full swing, and you know what that means — new back-to-school... and full, natural sound. You can use the speakers for games, movies and streaming music without ……

(医疗设备). Without wires everywhere, patients may have a better quality of life while in the hospital... without powering off. It could also help power medical equipment (医疗设备). Without wires everywhere ……

.When electricity travels through wires (电线), it loses some energy and heats up along the way because...体) that works at room temperatures and normal pressure levels.When electricity travels through wires ……

should be proud of it. Let’s find out more.A special plane第一代舰载战斗机The J-15 is a Chinese fighter plane (战斗机). It can land on a large ship like the Liaoning. Chinese scientists designed (设计) it. It can ……

or laptop (笔记本电脑) starts charging (充电), without wires (线). v Sounds cool? A room like this exists (存在).Scientists from University of Michigan, US, and University of Tokyo, Japan, did this new study ……

. But they all change our life in one way or another. For this issue, we pick a few from the 50 inventions from..., thanks to a new protocol (网络协议) being developed for use there. It's hard to keep a stable (稳定 ……