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Quantum Physics Jul 24, 2023

Study proposes combining continuum mechanics with Einstein field equations

Albert Einstein's general theory of relativity is a landmark in our understanding of the universe. It gave rise to the notion of a spacetime continuum against which all physical phenomena play out. But over the decades, it ...

General Physics Jul 13, 2023

Einstein's theory of relativity reaffirmed, despite doubts from quantum physicists

One of the most basic assumptions of fundamental physics is that the different properties of mass—weight, inertia and gravitation—always remain the same in relation to each other. Without this equivalence, Einstein's theory ...

Mathematics Jul 5, 2023

Researchers discover a single shape that tiles the plane aperiodically without reflection

Recently, an international team of four, that includes Cheriton School of Computer Science professor Dr. Craig Kaplan, discovered a single shape that tiles the plane—an infinite, two-dimensional surface—in a pattern that ...

Astronomy Jul 4, 2023

Astronomers use dead stars to measure gravitational waves produced by ancient black holes

An international team of astronomers has detected a faint signal of gravitational waves reverberating through the universe. By using dead stars as a giant network of gravitational wave detectors, the collaboration—called ...

Astronomy Jul 3, 2023

Quasar 'clocks' show the universe was five times slower soon after the Big Bang

Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein's expanding universe. The research is published in Nature Astronomy.

Astronomy Jul 1, 2023

Using a detector the size of a galaxy, astronomers detect gravitational waves from supermassive black hole pairs

When black holes and other enormously massive, dense objects whirl around one another, they send out ripples in space and time called gravitational waves. These waves are one of the few ways we have to study the enigmatic ...

Astronomy Jun 29, 2023

Cosmological models are built on a simple, century-old idea, but new observations demand a radical rethink

Our ideas about the universe are based on a century-old simplification known as the cosmological principle. It suggests that when averaged on large scales, the Cosmos is homogeneous and matter is distributed evenly throughout.

Astronomy Jun 28, 2023

Euclid space mission is set for launch: Here's how it will test alternative theories of gravity

The European Space Agency's (Esa) Euclid mission will launch into space on a Falcon9 rocket from SpaceX on July 1, or soon after. Many of us who have worked on it will be in Florida to watch the nail-biting event.

Nanophysics Jun 23, 2023

Metasurface enables strong coupling effects between light and transition metal dichalcogenides

The interaction of light and matter on the nanoscale is a vital aspect of nanophotonics. Resonant nanosystems allow scientists to control and enhance electromagnetic energy at volumes smaller than the wavelength of the incident ...

Astronomy Jun 22, 2023

Einstein and Euler: Accelerating expansion of the universe and dark matter theories put to the test

The cosmos is a unique laboratory for testing the laws of physics, in particular those of Euler and Einstein. Euler described the movements of celestial objects, while Einstein described the way in which celestial objects ...

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