The Sydney Opera House's iconic roof shells are sections of a single sphere of the same radius.
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The development of MRI technology improved internal imaging.
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The concept of a touchscreen dates to 1965; the first commercially successful touchscreen phone was the iPhone in 2007.
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Hydraulic systems use incompressible fluid to transfer force — they power everything from car brakes to excavators.
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Video game revenue surpassed film and music revenue combined for the first time in 2019.
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The GPS system provides global positioning information.
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Fiber optic cables transmit data as pulses of light and can carry thousands of simultaneous communications.
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The first computer virus was created in 1983 as an experiment — it spread via floppy disks and was called 'Elk Cloner.'
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The first programmable electronic general-purpose computer, ENIAC, weighed 27 tons and consumed 150 kilowatts of power.
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