There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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One third of the electricity produced on earth is used to power electric light bulbs!
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