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2024

Новости за 21.08.2024

Sciencedaily.com 

Eco-friendly cooling device with record-breaking efficiency

Researchers have developed an eco-friendly refrigeration device with record-breaking cooling performance in the world, setting to transform industries reliant on cooling and reduce global energy use. With a boost in efficiency of over 48%, the new elastocaloric cooling technology opens a promising avenue for accelerating the commercialization of this disruptive technology and addressing the environmental challenges associated with traditional cooling systems.

Sciencedaily.com 

New theory could improve the design and operation of wind farms

A new model accurately represents the airflow around rotors, even under extreme conditions. The first comprehensive model of rotor aerodynamics could improve the way turbine blades and wind farms are designed and how wind turbines are controlled.

Sciencedaily.com 

A new pandemic could ride in on animals we eat, researchers warn

Researchers warn the animals we eat could be the gateway for a pandemic in the form of antimicrobial resistance, unleashing a wave of deadly superbugs. The World Health Organization estimates that drug-resistant diseases could cause up to 10 million deaths each year by 2050.

Sciencedaily.com 

Dormant capacity reserve in lithium-ion batteries detected

Lithium iron phosphate is one of the most important materials for batteries in electric cars, stationary energy storage systems and tools. It has a long service life, is comparatively inexpensive and does not tend to spontaneously combust. Energy density is also making progress. However, experts are still puzzled as to why lithium iron phosphate batteries undercut their theoretical electricity storage capacity by up to 25 per cent in practice.

Sciencedaily.com 

The power of face time: Insights from zebra finch courtship

A new study on songbirds sheds light on the power of social interaction to facilitate learning, insights that potentially apply to human development. Researchers discovered that zebra finches deprived of early social experiences could still form strong bonds with a partner later in life. Once placed into cohabitation with a male, females that had never heard a mating song before could quickly develop a preference for his melody.

TheHill.com 

From 'Espresso' to 'Respect,' the roll call songs used for each state at the DNC

From a live performance from rapper Lil Jon, to Bruce Springsteen's "Born in the USA," Democratic delegates got their groove on during Tuesday's ceremonial roll call at the party's convention. As each state delegation was called on to officially nominate Vice President Harris and Minnesota Gov. Tim Walz (D) to the Democratic presidential ticket, a...