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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.
Ballast
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Articles about Ballast
6 published items.
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Why do people spread stones along railroad tracks?
Certainly many of us wonder why the railroad tracks always have a layer of rubble spread evenly beneath the tracks. How important is this rock layer and why? Let's find…
New technology
Power storage in deep water balloon 55 meters under water
The seawall system stores renewable energy, provides electricity for peak hours or in the evening, reduces the need for traditional energy that pollutes the environment.
New technology
'Atlant' hot air balloon: New trend in balloon manufacturing
The military version of the 'Atlant' hot air balloon, which is being developed by Russia's 'Avgur' Aviation Center, fits perfectly with the new concept of building a mil…
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Electric ballast by germs
We usually use electric bulbs such as incandescent bulbs, fluorescent bulbs, halogen lamps, neon lights, LEDs ... but there is a new kind of electric bulb, which is a bi…
New technology
Russia studied the manufacture of ballast 600 tons
LocomoSky, Russia, said it is investigating the development of a 600 tonne 'Locomoskaimer' balloon.