Ultrawideband gear sprays low-power radio waves across a huge range of frequencies, letting them penetrate walls, among other feats.
He said that if it was possible to harness the power of waves hitting the entire length of the Western Isles' Atlantic coastline on Monday, they would equate to 120 nuclear power stations on maximum electricity generation output.
For now, at least, power generated from waves costs more than electricity in most of the world, leaving the company dependent on government incentives and subsidies.
At Deal, a new 400m wall has been built either side of the pier designed to reduce the power of the waves, further north a rock barrier has been built and the beach has been strengthened with tonnes of shingle.
Power failures in the midst of heat waves or winter storms can literally be lethal.
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Salmond says Scotland has a competitive advantage in harnessing waves and tides to produce electrical power.
He said two main limitations have held SDR back: the speed at which analogue-to-digital converters turn radio waves into numbers, and computer power.
BBC: SDR can read and understand different kinds of radio waves
Ambient radio waves have largely been ignored as a potential power source until recently, because the power of a broadcast radio signal rapidly decreases with distance.
We should be building an affordable power system based on our abundant clean energy from the wind, waves and sun.
Diodes are essential in radios to turn rapidly oscillating radio waves into a smoother direct-current signal that can power a speaker.
That's going to finally make clean energy the profitable kind of energy in America -- legislation that will make the best use of resources we have in abundance, through clean coal technology, safe nuclear power, sustainably grown biofuels, and energy we harness from the wind, waves, and sun.
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Imagine if India, Sri Lanka, Thailand and Sumatra all had nuclear power plants along their shores, when the 2004 9.2 magnitude earthquake and tsunami, with waves up to 98 feet hit those shores.
That power makes it easy to pop up onto a water-ski-size board and surf off across the waves.
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