Thomas Edison and the light bulb
Long ago, when the sun went down, people lit candles or oil lamps. Thomas Edison invented a long-lasting electric light bulb in 1879. Now we can flick a switch and light up a whole room!
Alexander Graham Bell and the telephone
Before phones, people had to walk or send letters that took days to arrive. In 1876, Bell built a machine that sent voices through wires — the first telephone.
The Wright Brothers and flight
Wilbur and Orville Wright dreamed of flying. In 1903 they built the first airplane that could carry a person — it flew for just 12 seconds, but it changed travel forever.
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