...University of Washington engineers have designed a new communication system that uses radio frequency signals as a power source and reuses existing Wi-Fi infrastructure to provide Internet connectivity to these devices. Called Wi-Fi backscatter, this technology is the first that can connect battery-free devices to Wi-Fi infrastructure. — ScienceDaily
The clouds, made of 100 per cent environmentally friendly foam, soap bubbles and helium, can float as high as 20,000 feet and can travel up to 20 miles before they break up.
The clouds were formed to celebrate the launch of WiFi hotspots from The Cloud, giving Sky Broadband Unlimited customers free and unlimited access to WiFi in popular places such as The London Eye. — thisislondon.co.uk
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