Thomas Edison
Invented the first practical electric light bulb (1879).
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Wilhelm Röntgen
Discovered X-rays in 1895, revolutionizing medical imaging.
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Vacuum Tube
Developed in the early 1900s, enabled amplification and switching.
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Transistor
Invented at Bell Labs in 1947 — key to modern electronics.
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Integrated Circuit
Invented by Jack Kilby in 1958, combined multiple components into one chip.
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Intel 4004 Microprocessor
First commercial microprocessor (1971) — powered the first calculators.
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Smartphone Era
The iPhone (2007) changed computing, communication, and daily life.
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Smartwatches
Wearable technology that combines fitness tracking, communication, and smart features into a wrist device.
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