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The theory of general relativity still holds, according to new space-based and laboratory experiments The post Einstein’s equivalence principle put to two new tests appeared first...
Using quantum relative entropy, physicists derive Einstein's equations in a new way, supporting the possibility that gravity emerges from quantum information.
Quantum mechanics and Einstein’s theory of gravity explain almost everything we see in nature, yet physicists still do not know how to unite them. A new theoretical framework sugge...
Insider Brief PRESS RELEASE — An international team including Nobel Prize-winning physicist Professor Sir Roger Penrose has observed a long-predicted effect of gravity on a falling...
An experiment comparing falling and stationary rubidium atomic waves found a quantum phase difference consistent with Einstein’s equivalence principle. A rubidium atom can behave a...
Physicists have directly observed a long-predicted quantum effect of gravity, putting one of Einstein’s foundational ideas to a striking new test. Using ultracold atoms, researcher...
"The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time." — Subr...
A physicist proposes that quantum uncertainty affects the entire universe: we cannot both know how large the universe is and how fast it is expanding.
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A defect framework unlocks difficult calculations in N = 4 super Yang-Mills The post A new way to study giant gravitons appeared first on Physics World.
Author(s): Ryan WilkinsonA proposed lab-based quantum sensor could precisely measure within seconds the warping of spacetime caused by Earth’s rotation.[Physics 19, s112] Published...
[lightweight-accordion title="Show answer" title_background="#efefef" bordered=true]Albert Einstein.[/lightweight-accordion]
String theory has been famously untestable for decades. This week the Economist reported that has changed, and the reason involves an extra dimension of space that might be just bi...
Итан Сигел (американский астрофизик‑теоретик и научный журналист, автор рубрики «Спросите Итана», один из пропагандистов современных научных знаний), опубликовал статью о том, как...
Relativity Park is a 3D environment to wander around, with a Ferris wheel, a roundabout, and various sculptures to be enjoyed amid lowpoly pillars and primitive shapes. The catch i...
Направление: Квантовая космология, модифицированная гравитация и физика экстремальных состоянийТема 1. Хаббловское напряжение (Hubble Tension): главный космологический кризис XXI в...
Learn about a recent experiment that could take us one step closer to solving one of physics biggest questions.
For many years, the simplest view of dark energy has been that it remains unchanged. Throughout cosmic history, the mysterious ingredient believed to drive the universe's accelerat...
ETH Zurich and PSI researchers produced a cold, high-intensity muonium beam that could enable an interferometric test of gravity’s effect on second-generation matter.
The latest gravitational-wave discoveries include record-breaking cataclysms
Black holes are regions of spacetime where gravity is so strong that nothing, not even light, can escape. When two black holes orbit each other and merge, they produce gravitationa...
Physicists have long struggled with their goal of making gravity a quantum force. A radical post-quantum approach might solve that problem – and clear up other cosmic mysteries, to...
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