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Video: Evolutionary journey of human skin color
Human skin color is now the result of a long evolutionary process under the guidance of light from the Sun.
Light
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Articles about Light
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Video: Cinematographer announces to record two flying discs in Australia
A cinematographer recorded images that he believed were two unidentified flying objects (UFOs) in Australia's sky.
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How long does it take to get up to 7 life-capable planets - has Trappist-1 been discovered?
This dwarf system is about 39 light-years away from Earth. How long does it take for NASA's Space Shuttle or New Horizons spacecraft to get there?
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Video: Planet like Earth is forming
An Earth-like orbiting planet is forming in the dust cloud around the star TW Hydrae, 175 light-years away.
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The majestic Niagara waterfall admire changes color
The 4 million USD lighting system has helped Niagara Falls change colors very miraculously.
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Video: Cigarette-shaped UFO flashes near the ISS station
An unidentified flying object shaped yellow cigarette flashed with blue and red light when flying through the International Space Station (ISS).
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Video: Amazing giant UFO in Japan heaven
A giant sphere of brilliant blue light flashed across the sky of Japan, causing thousands of witnesses to be surprised.
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Video: Balinese sea creatures
A clip capturing the image of a strange creature on the bottom of the sea shudders viewers.
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Video: See the plane landing in the thick fog
Flight control has never been an easy task, especially for civilian flights when the lives of hundreds of people weigh on the pilot's shoulders.
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Video: The world alerted to light pollution
In Paris, France, at the end of the 18th century, people lit only half of the city's street lights on every full moon night. This is due to economic reasons instead of t…
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Video: How does light move when they take portrait photos?
We talk a lot about light in photography, which is an important factor in creating a beautiful picture.
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Why are these balls when immersed in water completely invisible?
Same water, but these water marbles are invisible in the water, while ice is not, why?
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Video: Operation of a 2-stroke engine when viewed through the transparent cylinder cover
Looking through it, we can see clearly that the 2-stroke engine is igniting, igniting the fuel with sounds, the scenery is quite beautiful and impressive.
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The 3D universe map contains 1.2 million galaxies that prove the universe expanded rapidly
The map covered 650 million light-years of space - equivalent to a quarter of the sky.
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Video: Processing a laser gun with a capacity of 200W, shooting through the computer case
From an old DLP projector and a number of other devices, Drake Anthony created a 200W laser gun, enough to melt the metal casing.