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Why are manhole covers designed circularly?
With a circular structure, the top-down force will be dispersed evenly across the surface to help the manhole cover be affected.
Material
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Articles about Material
2,029 published items.
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Fabrication of fabric fibers from animal skin and bones? How?
It doesn't sound like high fashion but
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What is Alcantara fabric? Why is it so popular?
This fabric is used in many other high-end products, but what is it special?
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By this method, two new types of magnets are found the fastest in history
Never in the history of scientists have developed such fast magnetic materials.
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A kind of 'stinking' material is about to be used in the fashion industry
This kind of material is extremely easy to find, not
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Detecting precious material mines used as solar cells under the seabed
British scientists have discovered a mountain beneath the Atlantic Ocean containing a rare treasure of minerals.
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Robots evolved by exchanging genetic materials for generations
'Our work is the first to show the epigenetic factor used in improving the physical system of robots', scientists say.
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Discover the secret of the planet's hardest material, harder than diamond
Russian scientists have designed a new model for fullerene-based crystal materials with extremely high mechanical stiffness, more than diamond.
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How long does it take to fall through the center of the Earth to the other half vertically?
Suppose you dig a long tunnel to the center of the Earth, jump in it and let gravity pull you down. How long will it take you to reach the other side of the globe?
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The truth about the leather on the backpack that few people know about
Many people will fall back when they know the utility of small pieces of cloth that is worth it
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Can measure time without clock
French scientists have recently discovered a way to measure the delay of time while photovoltaic emission without the use of a clock (a very small fraction of time).
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The position structure of 23,000 atoms was first identified
For the first time, scientists can accurately determine the structural position of 23,000 atoms in a molecule smaller than a cell.
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Find a whole new form of matter: Time crystal
This material is completely new, seemingly related to time travel.
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Found a way to make the material 10,000 times colder than the space
For the first time, physicists were able to lower the temperature of an object below the lowest known temperature