Electronics & Semiconductors

Team unlocks large-scale Fourier transforms for analog in-memory computing

Fourier transforms are mathematical calculations that can be used to identify the frequencies that make up a signal and shed light on their individual contributions. These transforms have been used, for example, to unveil ...

Quantum Physics

Two paths, one flux: Trapped ions simulate Aharonov–Bohm interference in a lattice gauge theory

In a new Nature Physics study, researchers demonstrated the Aharonov-Bohm effect in a quantum simulation of a lattice gauge theory using a hybrid trapped-ion quantum computer.

Polar vortex faltering weeks earlier than ever recorded

Meteorologists said Friday they were observing an unprecedented early disruption of the polar vortex, raising the risk of cold snaps across the Northern Hemisphere, though there remains significant uncertainty.

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Tech Xplore

Game theory helps SETI search for alien civilizations

The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another civilization. Between 2012 and 2015, SETI's Project Phoenix targeted about 1,000 sun-like stars ...

Why the tropics lose the most birds when cities expand

Tropical ecosystems are famous for their teeming, exuberant diversity. In fact, the dramatic increase in biodiversity from the poles to the tropics—known as the latitudinal diversity gradient—is pervasive across branches ...