Reference Terms
from Wikipedia, the free encyclopedia
Hyperbolic geometry
In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is rejected.
Note: The above text is excerpted from the Wikipedia article "Hyperbolic geometry", which has been released under the GNU Free Documentation License.
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Computers & Math News
November 20, 2024
Nov. 6, 2024 — Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer ...
Oct. 23, 2024 — Researchers have used artificial intelligence to design thousands of new DNA switches that can precisely control the expression of a gene in different cell types. Their new approach opens the possibility of controlling when and where genes are ...
Oct. 17, 2024 — Researchers have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone. Researchers were able to show that the ...
Oct. 9, 2024 — Using peptides and a snippet of the large molecules in plastics, materials scientists have developed materials made of tiny, flexible nano-sized ribbons that can be charged just like a battery to store energy or record digital ...
Latest Headlines
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Nov. 20, 2024 — Depression is one of the most common mental illnesses. As many as 280 million people worldwide are affected by this disease, which is why researchers have developed an artificial intelligence (AI) ...
Nov. 20, 2024 — Asking children 'What does a scientist look like?' now results in more illustrations of women and people of color than decades ago. But do generative artificial intelligence (AI) tools also depict ...
Nov. 19, 2024 — Researchers have created a method that uses artificial intelligence to more accurately predict short-term river discharge using historical data from ...
Nov. 12, 2024 — Linguistics and computer science researchers have discovered some of the root causes of why AI large language models perform poorly in human-like ...
Nov. 19, 2024 — A new theory, that explains how light and matter interact at the quantum level has enabled researchers to define for the first time the precise shape of a single ...
Nov. 19, 2024 — It is the computational processing of images that reveals the finest details of a sample placed under all kinds of different light microscopes. Even though this processing has come a long way, there ...
Nov. 19, 2024 — An international team has identified a strategy to improve both the performance and stability for solar cells made out of the 'miracle material' perovskite by mitigating a previously hidden ...
Nov. 19, 2024 — Researchers have developed a new method of growing organic crystals that can be used for energy-harvesting ...
Nov. 19, 2024 — In order to use remote locations to record and assess the behavior of wildlife and environmental conditions, the GAIA Initiative developed an ...
Nov. 18, 2024 — Researchers have introduced a technique for compressing a large language model's reams of data, which could increase privacy, save energy and lower ...