For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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A singing birthday card has more computing power than the allied forces in 1945.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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