Summary
Glass looks solid but its atoms are not ordered like a crystal. It is amorphous, like a liquid arrangement frozen in place.
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Summary
Glass looks solid but its atoms are not ordered like a crystal. It is amorphous, like a liquid arrangement frozen in place.
The total weight of all the people living in the world is 287 million tons. This figure is an interesting data point to consider when thinking about the life of our planet.
Octopuses, as the mysterious creatures of the seas, have three hearts. Two hearts pump blood to the gills, while one pumps it to the body.
If the DNA strand in a single human cell were uncoiled, it would be 2 meters long.
Bananas contain potassium, and a tiny fraction of potassium is naturally radioactive. That is why people joke about a banana equivalent dose.
Sound can’t travel in space, yet the universe carries a leftover trace. The cosmic microwave background behaves like the oldest light from the Big Bang, mapping tiny temperature ripples.
In the Sun, nuclei normally repel each other, but quantum tunneling helps them slip through the barrier and fuse. Starlight exists partly thanks to quantum probability.
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