The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in vacuum. However, in so-called epsilon-near-zero (ENZ) materials, light exhibits ...

When humans kick swim through water, vortices form around their legs, generating the force that propels them forward. However, the mechanisms underlying variations in the structure of these vortices ...

Anandkumar is the Bren Professor of computing and mathematical sciences at Caltech, where she leads the Anima AI + Science ...

Discover how individual neurons in the brain learn to recognize and predict patterns in the flow of time, providing insights into the structure of time.

A negative result means "no," while borderline results are considered inconclusive. Depending on the disease, it may take time for enough antibodies to be produced to reach detectable levels. If it's ...

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The evolution of web search engines offers an instructive example, showing how knowledge can be extracted from unstructured sources and refined over time into a structured, interconnected graph.

The real-time translation of messages has been an area of great need in the media and communication industries, especially in the field of streaming services and digital platforms. AI-driven ...

The Monthly climate summary, usually published in the first week of the following month, lists the main features of the weather in Queensland using the most timely and accurate information available ...