Wireless electricity: Scientists send energy 55 meters away through air

Japanese scientists have made a breakthrough step towards developing new energy source for humans in the future by for the first time transmitting electric power wirelessly to a pinpoint target using microwaves.

Japanese scientists from the Japan Aerospace Exploration Agency (JAXA) have succeeded using microwaves to deliver 1.8 kilowatts of power through the air to a pinpoint target 55 meters away, a spokesman for the agency said.

“This was the first time anyone has managed to send a high output of nearly two kilowatts of electric power via microwaves to a small target, using a delicate directivity control device,” he said as quoted by AFP on Thursday.

Though the energy was only enough to run an electric kettle and the distance was not huge, this appears to be a giant leap in developing new energy sources. The successful experiment could pave the way to collecting inexhaustible solar energy in space and transmitting it to Earth, the researchers said.

The International Space Station and other satellites have been able to collect solar energy and use it for maintaining work. The main benefit of solar power generation in space instead of Earth is the permanent availability of energy regardless the weather conditions or the time of the day.

JAXA has been working for years on the Space Solar Power Systems project (SSPS) which envisages a space-based solar power plant that generates energy by collecting sunlight in geostationary orbit.

“SSPS consists of a space-based power generation/transmission facility that gathers sunlight, converts it into microwaves or laser beams, and transmits those to the ground; and a power receiving facility on the ground,” said lead researcher Yasuyuki Fukumuro.

Read more » http://rt.com/news/240193-wireless-electricity-send-energy/

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