Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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There's an "anti-smartphone" called John's Phone which can only make and receive calls.
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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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In 1989, a British company made a laptop with a graphical user interface, a 60 hour battery life, SSD storage, and a touchpad.
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Mico headphones read your brainwaves and select music based on your state of mind.
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