Spirographs, invented in 1962, are toys that create geometric patterns using gears. These designs are used in art and similar patterns can be found in nature.
A new study shows that the inner core changed shape in just a few decades, challenging previous assumptions and revealing ...
Scientists have discovered that Earth's inner core, previously thought to be solid and unchanging, has experienced ...
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Earth’s Inner Core Is Changing Shape—Scientists Uncover a Deep Mystery at the Planet’s CenterThe mysteries of Earth’s inner core have long been a topic of intrigue for scientists, with the planet’s central engine ...
Thad McCauley wanted to be an astronaut when he grew up. Instead, he became an art teacher. But now his art is in space.
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