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`Electrosmog' to help fight real smog
1. `Electrosmog' to help fight real smog
Electricity From Air To Power Device That Can Help Individuals Monitor Pollution
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2. Contd..
We are surrounded by “electrosmog“ invisible clouds of electromagnetic
radiation that enable mobile and Wi-Fi networks. If captured, it can power
small devices. Now, a former British science minister Paul Drayson, a peer in
the UK's House of Lords, has developed an efficient energy-harvesting
system, called Freevolt, which uses an antenna to draw power from multiple
wavebands of the electromagnetic spectrum while fitting into a unit the size
of a credit card. “We can't power a mobile phone, but we've found that the
ambient energy density is sufficient to power sensors, beacons and some
wearab les,“ Drayson says.
The technology , launched on Wednesday , was placed inside a personal air
pollution sensor called CleanSpace, to allow individuals to monitor the air
quality around them.
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3. Contd..
The sensor, called Tag, pairs with a mobile app to keep track both of
carbon monoxide levels and transport choices made by an individual.
Users earn points each time they walk, run or cycle. These can be
traded for rewards from partners including Amazon, Boohoo.com and
MaxiNutrition. The data from individual sensors is then aggregated to
build up a map of the air quality .
“This is the first commercial device that is powered solely from
ambient radio frequency energy ,“ says Drayson, who stumbled upon
the idea when he came across the work of Imperial College, London,
PhD student Manuel Piñuela Rangel, who was researching inductive
power transfer, and set up Drayson Wireless.
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4. Contd..
The team decided to create a personal air quality sensor in recognition
of the increasing public awareness of air pollution as a health problem.
About 29,000 people die each year in the UK because of poor air
quality each year.
Drayson now plans to license the technology to other commercial
partners looking to create sensor networks, beacon-driven retail
marketing tools or low-powered wearables. As it stands, the inventor
contends that Freevolt could generate enough power for devices like
the Fitbit Charge or Jawbone UP3. Drayson also points out that because
Freevolt works across multiple bands of radio frequency , even if there
isn't any 3G or 4G signal, it can gather energy from Wi-Fi or even
broadcast signals. Brought to you by
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