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Новости за 18.12.2024

Massive black hole in the early universe spotted taking a 'nap' after overeating

Sciencedaily.com 

Scientists have spotted a massive black hole in the early universe that is 'napping' after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas dinner, this black hole has overeaten to the point that it is lying dormant in its host galaxy.



SECI defends transfer of 2,333 mw power project from Azure to Adani

Economictimes.indiatimes.com 

SECI defended the transfer of a 2,333 MW solar power project from Azure to Adani Group before the CERC. They stated the transfer met Andhra Pradesh's power needs and maintained the original contract terms, staying within the approved bidding process and tariff. Azure's non-implementation prompted the transfer to ensure Andhra Pradesh received its intended 7,000 MW.

Swarms of 'ant-like' robots lift heavy objects and hurl themselves over obstacles

Sciencedaily.com 

Scientists have developed swarms of tiny magnetic robots that work together like ants to achieve Herculean feats, including traversing and picking up objects many times their size. The findings suggest that these microrobot swarms -- operating under a rotating magnetic field -- could be used to take on difficult tasks in challenging environments that individual robots would struggle to handle, such as offering a minimally invasive treatment for clogged arteries and precisely guiding organisms.

Engineers grow 'high-rise' 3D chips

Sciencedaily.com 

Researchers can now fabricate a 3D chip with alternating layers of semiconducting material grown directly on top of each other. The method eliminates thick silicon substrates between the layers, leading to better and faster computation, for applications like more efficient AI hardware.

Physicists magnetize a material with light

Sciencedaily.com 

Physicists have created a new and long-lasting magnetic state in a material, using only light. The results provide a new way to control and switch antiferromagnetic materials, which are of interest for their potential to advance information processing and memory chip technology.

Thorium film could replace crystals in atomic clocks of the near future

Sciencedaily.com 

Atomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam could yield the most accurate measurements ever of time and gravity, and even rewrite some of the fundamental laws of physics. Thorium-229-doped crystals are both scarce and radioactive. A thin film using a dry precursor of thorium-229 shows the same nuclear excitation as the crystal, but its low cost and radioactivity, and smaller size mean its production could be more easily scaled up to make smaller... Читать дальше...

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