#8
Telescope
Hans Lippershey filed the first telescope patent in 1608, opening up the cosmos with a device magnifying objects three times, but by 1610 Galileo improved it to 20x, observing Jupiter's moons and revolutionizing astronomy. Today, the James Webb Space Telescope, a direct descendant, has a 6.5-meter mirror and captures images from 13.6 billion light-years away, revealing the universe's origins.
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