Novel hydrogel harnesses air moisture for practical applications

High humidity causes discomfort and makes hot days feel more unbearable. A team of researchers from the National University of Singapore (NUS) has invented a novel gel-like material that not only effectively dehumidifies ...

Tiny fly blows bubbles to cool off: study

Humans sweat, dogs pant, cats lick their fur. Animals have adopted an interesting array of techniques for regulating body temperature through evaporation.

EU court says Poland broke air quality laws

The EU's top court on Thursday found Poland guilty of violating air quality laws, in the latest clash between the bloc's authorities and the rightwing government in Warsaw.

Concentrated CO2 enables growth spurt in algae

A new technology captures CO2 from ambient air efficiently and inexpensively. Researchers at the University of Twente used the CO2 captured to cultivate algae, but the technology can also be used in a closed cycle to store ...

Powerful micro diaphragm pump for mini-sensors

Particulate matter harms the heart and lungs. In the future, a smartphone with an inbuilt gas sensor could be used to warn of heavy exposure. To help the sensor respond quickly and provide accurate measurements, researchers ...

Battery can be recharged with carbon dioxide

(Phys.org)—Researchers have developed a type of rechargeable battery called a flow cell that can be recharged with a water-based solution containing dissolved carbon dioxide (CO2) emitted from fossil fuel power plants. ...

New method increases energy density in lithium batteries

Yuan Yang, assistant professor of materials science and engineering at Columbia Engineering, has developed a new method to increase the energy density of lithium (Li-ion) batteries. He has built a trilayer structure that ...

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