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Why is it dark at night?
Why is the night sky dark? You may think the answer is obvious because the sun goes down. However, the answer is not so.
Light
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Articles about Light
3,286 published items.
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Can decorative pine trees be connected in series or parallel?
The question is simple, but it is not easy to answer. Christmas tree lights have a special feature that not everyone knows.
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Why is precious bird feather green?
The green color on the feathers of precious birds is not the natural color of feathers but because of the light effect created when dispersed on the surface of the feath…
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4 mistake that ancient scientists believe
Natural maggots born, eyes emit light ... are the myths of the scientific world in human history.
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Why can't lightsaber become a reality?
There have been quite a few fictional technologies in the past that have come true, but a weapon like lightsaber will probably only be a product of imagination.
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Anbert Einstein - The life of the inventor of relativity
Einstein - a talented German Jewish physicist, possessing towering IQ is named one of the world's top geniuses.
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Does light and darkness have mass?
There is a simple question in physics but not all of us know:
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The screen of the French special forces hunting disc
Every year the world has thousands of reports of unidentified flying objects (UFO, called flying saucers).
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Why does the sky turn red at sunset?
The sunset sky turns red and orange due to the scattering of light in the atmosphere.
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Find a photo corner that gives you the perfect picture
Researchers have come up with a few tips to help you get the best selfie photo.
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Mysterious decoding of green light on the Gulf of Thailand
A photo of Bangkok, Thailand from outer space is currently causing Twitter fever.
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Why should lights turn on when going in the rain?
Currently it is the rainy season and the movement in the rain is often accompanied by many dangers.
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Why are the eyes of animals glowing under the lights?
In the dark night, if you accidentally hold the flashlight and direct it into the eyes of a dog or a cat, you will be quite surprised when their eyes glow.
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Interesting history of British judges' wigs
The image of British judges wearing a light gray or white wig is very familiar to many people.