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How the submarine dives and floats to the surface
Submarines can dive deep into the sea or float up by pumping water or air into the internal compartments to change its weight.
Surface
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What happens if you fall into a volcano?
When a person falls to the crater will not die like Gollum - the character in the Lord's story and film of the rings: Return of the king - in a way that sinks to the bot…
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Discovering the mysterious phenomenon 'The sea is split in half' on each ocean
Every ocean in the world has a number of areas where the sea surface has been divided into two different water colors.
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Little thing to know about the motorbike you're on
If you control your motorcycle up to a speed of 100km / h, you will encounter a stream of air moving equivalent to a level 10 hurricane.
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Why are beef steaks glowing in rainbow colors?
Recently, a girl posted on her personal Facebook page a picture of a piece of beef
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Why can snow ice drop aircraft?
A NASA expert said that ice is a contributing factor to 9.5% of aircraft accidents. When the plane is parked on the tarmac, snowfall will form a layer on the top of the…
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The reaction was unexpected when pouring copper melted into Hamburger
Can you guess what the fate of this Hamburger will be? It is known that copper is a metal with a melting temperature of more than 1,085 degrees Celsius, enough to melt a…
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You will be surprised to know that technology today can do this
The development of technology can be said to be no limit. 100 years ago, who dared think TV would be everywhere like today?
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Strangely the phenomenon of
The man broke the ice on the lake surface, lit a fire and a very interesting phenomenon happened.
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Strange snowball waves on the surface of the American lake
The snowballs hovering in the middle of the waves covered the surface of Lake Sebago in the state of Maine, USA, after the storm.
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Do you understand the Earth?
Thanks to the achievements in science and technology, people are becoming more and more aware of the Earth. Let's try the Space page to check that you have a good grasp…
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Why are fresh water cans round and not rectangular?
Have you ever wondered if the soft drink cans we drink are not designed in spherical or rectangular boxes?
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Quiz: Find the true Moon between 8 frying pan and 1 Moon
You probably won't be able to guess what the true Moon is in the series of nine pictures below.
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3 basic methods of determining criminal traces
From the crime scene, the examiners will search for fingerprints, blood stains ... to quickly find the killer.