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This Twitter bubble machine is powered by Intel's Galileo — a microcontroller board based on an Intel system-on-a-chip.
When the appropriate hashtag is spotted in a tweet, the bubble machine starts up. Intel aims to give 50,000 of these boards to universities around the world.
Here's the board being used to run a set of lights — the linked smartphone app can change the colours. Galileo is aimed at students and makers while the smaller board, called Edison, is aimed at startups and developers of wearable projects.