Superfluids, which form only at temperatures close to absolute zero, have unique and in some ways bizarre mechanical properties. Yvan Buggy of the Institute of Photonics and Quantum Sciences at Heriot-Watt University in Edinburgh, ...
Quantum Physics
May 11, 2020
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12
Energy conservation lies at the core of every physical theory. Effective mathematical models however can feature energy gain and/or loss and thus break the energy conservation law by only capturing the physics of a subsystem. ...
General Physics
Apr 15, 2020
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10
Dark matter, which cannot be physically observed with ordinary instruments, is thought to account for well over half the matter in the Universe, but its properties are still mysterious. One commonly held theory states that ...
General Physics
Apr 9, 2020
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42
Exotic subatomic particles that are like 'normal' particles apart from one, opposite, property—such as the positron, which is like an electron but positively rather than negatively charged—are collectively known as antimatter. ...
Quantum Physics
Mar 18, 2020
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44
Quantum entanglement is perhaps one of the most intriguing phenomena known to physics. It describes how the fates of multiple particles can become entwined, even when separated by vast distances. Importantly, the probability ...
Quantum Physics
Feb 25, 2020
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133
The paradox of Schrödinger's cat—the feline that is, famously, both alive and dead until its box is opened—is the most widely known example of a recurrent problem in quantum mechanics: its dynamics seem to predict that ...
Quantum Physics
Feb 14, 2020
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1233
Small organic molecules, including the amino acids that form the 'building blocks' of proteins in living cells, fragment to form ions under the impact of high-energy radiation such as electron beams. A new study published ...
General Physics
Feb 5, 2020
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3
When electrons collide with positrons, their antimatter counterparts, unstable pairs can form in which both types of particle orbit around each other. Named 'positronium,' physicists have now produced this intriguing structure ...
General Physics
Dec 23, 2019
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63
By tracking the motions of cold atom clouds, astronomers can learn much about the physical processes which play out in the depths of space. To make these measurements, researchers currently use instruments named 'cold atom ...
General Physics
Dec 16, 2019
0
10
Antiparticles—subatomic particles that have exactly opposite properties to those that make up everyday matter—may seem like a concept out of science fiction, but they are real, and the study of matter-antimatter interactions ...
General Physics
Dec 13, 2019
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