Summary
Honey bees show each other the location of flowers with their dances. This dance carries information about direction and distance.
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Summary
Honey bees show each other the location of flowers with their dances. This dance carries information about direction and distance.
shared 60 info • 1 month ago
Shape memory alloys can be bent and crushed, then return when heated. It is not magic, it is a phase change in the crystal structure.
Cats spend almost half of the day sleeping. This makes them one of the sleepiest pets.
The world's first SMS was sent on December 3, 1992. The message was only two words.
Some isotopes shrink by a fixed half life and the rate is remarkably regular. That is why we can date rocks and estimate the age of archaeological samples.
Black holes look like perfect sinks, yet quantum effects can leak energy. Over immense timescales, that leakage can reduce a black hole’s mass until it fades away.
Atomic clocks keep time by counting an atom’s ultra-regular vibrations billions of times per second. That’s why GPS can drift if timing slips by mere nanoseconds.
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