Hacking a bridge

Here’s a cool project. As part of SwitchedOnLondon, the Tower Bridge in London has been turned into a massive light artefact. The cool thing is that pattern of lights on the Tower Bridge is actually governed by people walking along London Bridge, just down the road. Sensors on London Bridge sense Bluetooth devices as they work their way across the bridge and relay the information to control lights on Tower Bridge. Really cool. Read all about it here

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