A fuel cell converts chemical energy directly into electricity with higher efficiency than combustion engines.
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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 telegraph enabled rapid long-distance messaging.
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The development of MRI technology improved internal imaging.
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Nuclear reactors generate electricity by using the heat from controlled fission chain reactions to boil water and spin turbines.
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There are classified inventions that have never been revealed publicly.
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The Internet of Things (IoT) refers to the network of physical devices embedded with sensors and software to exchange data.
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The original iPhone had less processing power than a modern dishwasher.
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The light bulb made electric lighting widely practical.
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