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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.
Air
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Articles about Air
2,472 published items.
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How airplanes provide air to passengers
When the aircraft flies high, the air gradually dilutes, so the aircraft needs a ventilation system to ensure sufficient oxygen supply to passengers at the same pressure…
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7 things Elon Musk wants you to know about Hyperloop
A revolutionary mode of transport await us, but behind the desirable pace compared to other media, there are still many interesting things behind it.
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Why are air tickets expensive? Not just because of every gas money
There are many people think that is because the cost of gasoline for aircraft is very expensive. But is it true?
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Rescue agents for NASA
Behind NASA's successful space spacecraft launches a shadow of a secret US government agency.
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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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Australia confirmed the fragment in Mozambique is by MH370
The most expensive search for air history in the world seems to have come to an end after Australia's announcement.
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How to survive a grenade explosion?
Exploding grenades will deal damage with shell pieces, shock waves or damage components that are crammed inside (iron balls, metal pieces, ...). Will anyone have a chanc…
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The most mysterious ghost towns on earth
These towns are not a shadow, the air is cold and murky, making you cold when you arrive.
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The largest graveyard in the world from Google Earth
Located in Tucson, Arizona with an area of more than 10.5 km2, equivalent to 1,430 football fields, the Boneyard focuses on more than 4,200 aircraft that are no longer…
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Why does a bird make 26 passengers hang upside down on roller coasters for 20 minutes?
Sometimes just because the bird flies astray, its consequences leave it unthinkable.
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How dangerous is the container for explosive materials?
Concerning the explosion in Ha Dong, many doubts were caused by sawing explosives.
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The reason NASA still uses bombers since World War II
The US Aeronautics Agency (NASA) is still using three British bombers from 1944, the aircraft model has the advantage of flying high and flying fast at that time.
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Riding a motorcycle is as fast as a storm but why not get blown away?
In both cases, riding a motorbike and wind storm, the air flow moves next to your body at the same speed.
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90% we do not know how to pour water out of plastic bottles properly
Currently, most people pour water from plastic bottles in a general way without knowing that the action is completely wrong and consumes too much of your time.