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Beauty of the universe in the week
The star explodes, the planet is swallowed, the heart-shaped nebula is impressive astronomical images this week.
System
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Articles about System
5,630 published items.
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Historical photos of planets
A camera attached to the rocket and launched into space in 1946 recorded the first image of the earth from the universe.
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10 most modern public transport facilities in the world
The use of public transport is an inevitable trend when the price of petroleum keeps escalating, frequent traffic congestion in cities and environmental pollution is get…
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The 'super small' world
There are items made by ourselves, but at an extremely sophisticated level that the naked eye cannot see. And even though it's only a few thousandths of a millimeter, th…
Videos
Elon Musk shows off the Boring Company excavator video when it completes the first tunnel
On Twitter, Elon Musk showed off the image of the giant drilling system of The Boring Company breaking through the ground successfully, creating the first tunnel.
Videos
The idea of a pop-up public toilet in the Netherlands
The UriLift Combi is the idea that toilets can rise and fall in the Netherlands, a solution is designed to solve the problem of a lack of public WC.
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The first interstellar object in the solar system 4.5 billion years
The 2015 BZ509 asteroid orbits the Sun and has an orbital reverse with most other objects in the system.
Videos
Video: The terrifying power of the S-400 missile combination
The S-400 is more capable than the S-300. It can detect targets 600km away and 40–50km high, can simultaneously track 300 targets.
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Video: Asteroids with orbit cannot be explained
Sedna's elliptical orbit about 150 to 150 billion kilometers from the Sun is still a mystery to astronomers.
Videos
Video: Compare the size of the big mountains in the Solar System
Rheasilvia Mons on the asteroid Vesta is the highest mountain in the Solar System, 2.5 times higher than Mount Everest on Earth.
Videos
Video: The reason the wing is not attached to ice
The aircraft is usually sprayed with a de-icing liquid mixture before takeoff and has a double-wing heating system to prevent ice from accumulating when flying.
Videos
Video: Mars has the ideal conditions to produce oxygen
Researchers found that abundant sources of carbon dioxide on Mars could help generate oxygen for settling down and exploring the solar system.
Videos
Video: The process of creating a Braille system for the blind
Braille is a braille system for blind people with each word made up of 6 points, arranged in a rectangular frame of two columns, three lines.
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Video: Australia's most dangerous animals
Australia is a special country on earth, with ecological systems and plants and animals different from other places.
Videos
Video: Vertical parking space increases the parking space by 8 times
With space just equal to the parking area of 2 ordinary cars, smart car park can hold 12 - 16 cars depending on type.