Circles in Quadrilaterals

17 May 2024

Mathematics - Research News

Explore when it is possible to construct a circle which just
touches all four sides of a quadrilateral.

Latest news

Scientists observe 'negative time' in quantum experiments

Quantum Physics News

21 December 2024

Scientists have long known that light can sometimes appear to exit a material before entering it—an effect dismissed as an illusion caused by how waves are distorted by matter....

Researchers take 'significant leap forward' with quantum simulation of molecular electron transfer

Physics General News

20 December 2024

Researchers at Rice University have made a meaningful advance in the simulation of molecular electron transfer—a fundamental process underpinning countless physical, chemical and biological processes. The study, published in Science Advances, details the use of a trapped-ion quantum simulator to...

New electron microscopy technique reveals complex spin structures at femtosecond timescales

Physics General News

20 December 2024

Plasmons are collective oscillations of electrons in a solid and are important for a wide range of applications, such as sensing, catalysis, and light harvesting. Plasmonic waves that travel along the surface of a metal, called surface plasmon polaritons, have been studied for their ability to...

Team presents first demonstration of quantum teleportation over busy internet cables

Physics General News

20 December 2024

Northwestern University engineers are the first to successfully demonstrate quantum teleportation over a fiberoptic cable already carrying internet traffic....

First results from 2021 rocket launch shed light on aurora's birth

Physics General News

20 December 2024

Results from a 2021 experiment led by a University of Alaska Fairbanks scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly across the sky....

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Circles in Quadrilaterals