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Kilo-class submarine - invisible assassin under the sea
Considered by military experts as the least noise-generating diesel submarine in operation, the Kilo-class submarine was dubbed the invisible sea assassin.
Noise
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Articles about Noise
190 published items.
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Avoid annoying noise with sound insulation
Scientists in Spain have proven that metamaterials - materials with unusual artificial structures - can be designed to make a sound barrier that causes sound waves not t…
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Japan develops supersonic aircraft without noise
From now until 2013, the Japan Aerospace Exploration Agency (JAXA) will develop and test a prototype unmanned and noise-free supersonic aircraft, hoping to replace the C…
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Window noise collection
The sound of the aircraft flying away, the traffic or the noise of the dance floor often caused residents of the area to be irritated. But now, the first windows with is…
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No noise plane
The tailless plane has a bat-like appearance. The wing is 'attached' to the body, and the engine is attached to the back of the aircraft. Thanks to such structure, noise…
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Ear protection when listening to music
Scientists have successfully developed a device that will not damage your hearing: the red light will blink as you stand next to the deafening noise.
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New 'invisible' radar with detector
US researchers have invented a new radar system almost impossible to detect because of its similarity to random noise. This type of radar can be used for military and mi…
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Carpets reduce noise
Martinson-Nicholls, a US-based company, has created a carpet that can curb annoying noises. It is made of vinyl fibers bonded together, can reduce the noise level from 1…
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See photos of camera origin
A new technique will help find a digital image that is compatible with the camera used to capture it, just like finding a bullet that matches a gun. This technique will…
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Modern science and technology: Sharks = spies
Imagine you are wearing a shark! You will move underwater without making noise, feel the electric field, 'catch' the scent and search in the darkness of deep pools for h…