Today there is a big news of battery technology. Battery size limits smartphones, computers, wearable device can accept appearance. Unfortunately, battery technology has been stalled, our equipment can not see hope of progress.
However, if you can totally ignore the battery, then what? Sensing Laboratory of the University of Washington did. Researchers created wireless identification and sensing platform (WISP): binding one sensor and computing chip, no battery or power source line can be operational link. It absorbs a radio wave RFID (radio frequency identification) issued by the reader - that is often used in retail stores anti-theft technology - converts into a current.
Not for the first smart phones and notebook computer chips are concerned, WISP not to rob them of their jobs and design. It Fitbit in processor clock speed and have similar functions, including an embedded accelerometer and temperature sensors. "It will not be used to play video games, but can track sensor data and do some basic information processing tasks, and communication with the outside world." Sensing Laboratory of the University of Washington researcher Aaron Parks said. It achieves this by Albert backscatter radio signal, said Parks, which is equivalent to playing Morse to communicate with light.
Surprisingly, according to Parks says the technology pretty fast. Its bandwidth is similar to Bluetooth low-power mode, one that supports most Bluetooth speakers and wireless headphones wireless charging technology. This allows new features WISP With this cattle breaking, thanks to a cooperative team of Delft University: It is now possible wireless rewrite code. So, for example, say that a WISP use fitness tracker, now do not need to connect it to any device inside, you can download the new tracking features, or to correct the error by updating. It's amazing no one has ever done it.
WISP is not the only battery-free computer chips. Parks said that there are other sensors do not require batteries, will absorb any energy they can find, including the passing of TV radio, cell phone towers and so on. But now, these battery-free computer is very slow, the distance can be programmed still a long way. WISP through joint and RFID reader, Parks said they had 10-fold can be produced quickly without battery computer.
These battery-free computers can be used to actually do it? Parks said that use radio waves to iPhone and laptop charging, is still far.
However, the current field can be used WISP is building. These sensors embedded in the reinforced concrete structure, the inspector can detect whether the received the building in the earthquake damage. Parks also said that no computer can also be used for battery health implantable devices to monitor patients. In addition, the agricultural sector is also interested in WISP computer that is capable of simultaneously monitoring capability of thousands of plants can bring tremendous value.
There are many non-computer consumer battery applications, such as fitness bracelet. Parks said that, you can even put a computer into a smart phone without the battery, you can send an emergency message when the device is out of power. However, WISP and other battery-free computer or the ultimate in glamor things, allows devices to become smart up.
"Imagine, you do not need to access any device wallpaper can run APP, or with different lights change color." Parks said, "This is no longer a fantasy."
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