10 years ago
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A plan to turn every lightbulb into an ultra-fast alternative to Wi-Fi
Current wireless networks have a problem: The more popular they become, the slower they are. Researchers at Fudan University in Shanghai have just become the latest to demonstrate a technology that transmits data as light instead of radio waves, which gets around the congestion issue and could be ten times faster than traditional Wi-Fi.
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Basically it's not a light bulb that emits WiFi, it's a system (LiFi) that sends and receives data by making ordinary LED light bulbs flicker really fast.