Manu Prakash, an assistant professor at Stanford University has built a computer that operates on water. It gains its energy from moving water droplets. The idea stuck Mr. Prakash when he was a graduate student. In his work, he has combined droplet fluid mechanism with the basic element of computer science – the CLOCK. He has named his new device “The droplet computer”. The droplet computer can hypothetically achieve any process that an electronic computer does.

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