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Solar cells absorb 99.7% of light
With an average light reflectance of 0.3%, these silicon black cells can absorb up to 99.7% of the light that is being absorbed, more than any other photovoltaic. This a…
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Cooler air due to bright roofs
The principle of absorption and reflection of light as once again is demonstrated when a team of NASA scientists published results of studies on the heat absorption capa…
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Black salt processing into high-quality industrial salt
Recently, the Hanoi University of Technology has successfully researched the technology of processing black salt into high quality industrial salt.
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Create metamaterials that emit 'black' radiation
A team of researchers led by physicist Willie Padilla, who works at Boston College in the United States, has discovered that metamaterials can emit radiation.
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Russia built more submarines for the Black Sea Fleet
The 'Admiral' shipyard in St Petersburg began to assemble parts of the Novorossiysk diesel-electric submarine 636.6 Varshavyanka.
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Cell phone air pollution test
Instead of using the phone to take pictures of friends, California residents in the United States use it to check air pollution levels at their workplace and home.
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Dissecting Chinese stealth aircraft
But after the aura of the new Chengdu J-20 life fighter aircraft
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Technology 'fingerprints'
NEW YORK (Reuters) - New York police have launched a new technology that uses black-eye scanners to identify suspects, so they can not be fooled.
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Cars also have black boxes
KCI, an American technology company has just launched a device to store information about the state of cars to serve after an accident investigation, like a black box fo…
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Little things to know about plane black boxes
As a focal point for determining the cause of each aviation accident, they are designed to be durable, orange-colored and can signal position.
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The smallest helicopter in the world
Prox Dynamics, Norway, has built the world's smallest unmanned helicopter, which is about the size of a cigarette pack and weighs 15 grams.
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Nine types of helicopters entered history
Apache, Black Hawk, Hind ... are the types of helicopters marked in the history of US and former Soviet troops.
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Create 'unprecedented' black material
The darkest material that science has ever known has been created in an American laboratory. It absorbs very strong light and is very reflexive. The material is made up…
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Japanese fabric color change by temperature
A team of Japanese researchers at Keio University has developed a color-changing fabric. This fabric contains a special type of ink in the form of liquid crystals locate…