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The 500-year journey rises to the world domination position of a pencil
Not only is the learning tool from early childhood to school, but pencil is also a daily tool of architects, designers, painters, ...
Lead
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Articles about Lead
1,006 published items.
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The element has a half-life of 1 billion times the life of the universe
A series of stars have long since disappeared, but the bismuth element will still exist and continue to decay.
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Strength of 9 leading attack helicopters in the world
Here are 9 attack helicopters rated as the best in the world. People are still using and producing these machines.
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Why are people drowning after going to shore?
Children who have just undergone a near-drowning incident, were rescued and awakened many hours later, but can still die due to the phenomenon of pulmonary fluid leading…
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How did a piece of tape damage 70 passengers on the plane?
This is a disaster leading to a very pitiful accident on Aeroperú Boeing 757-23A aircraft.
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Microsoft 's toughest interview question caused candidates to fall back.
If you are about to take part in an interview with one of the world's leading technology companies, you are mentally prepared for
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The future man - beautiful or beautiful
By 3000, the descendants of the high-level gene class would be tall, slender, healthy, attractive, intelligent and creative. Meanwhile the lower-class group will become…
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The truth about drugs that destroys even more terrifying bodies than
Did you know, this drug can cause you to have a mental disorder, your muscles are terribly broken.
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How long can man live in the universe?
This is really an unanswered question. NASA with leading scientists is trying to extend this time step by step, but things seem to be becoming more and more difficult.
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Stephen Hawking wanted to be humane
In an interview with the BBC, the world's leading physicist said he used to be very afraid to become a burden for others. However, he still hopes to discover more myster…
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The great trail of the Inca empire
The Inca Trail, which leads to the ancient city of Machu Picchu, is a dreamland of adventurers and adventure travelers around the world.
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The 10 most expensive supercomputers on the planet
Leading this list is a Japanese supercomputer system with an investment of $ 1.2 billion.
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How do the continents of the Earth form?
200 million years after the supercontinent Pangea decayed into plaques, the Earth formed 7 continents today.
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Maze Tower - Record the largest vertical labyrinth building in the world
With large construction projects, Dubai often has the leading reputation in design and construction. And the latest skyscraper with a height of 57 floors, called
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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.