The theory of relativity works well when you want to explain cosmic-scale phenomena—such as the gravitational waves created when black holes collide. Quantum theory works well when describing particle-scale phenomena—such ...
Quantum Physics
May 17, 2023
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1077
Imagine using your cellphone to control the activity of your own cells to treat injuries and disease. It sounds like something from the imagination of an overly optimistic science fiction writer. But this may one day be a ...
Quantum Physics
May 16, 2023
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223
The late physicist Stephen Hawking first asked me to work with him to develop "a new quantum theory of the Big Bang" in 1998. What started out as a doctoral project evolved over some 20 years into an intense collaboration ...
Astronomy
May 10, 2023
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147
The way light moves around inside an optical microcavity provides an exciting opportunity to explore the connection between classical and quantum physics. This field of research is known as quantum chaos, and it has the potential ...
Optics & Photonics
May 9, 2023
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3
A "beautiful effect" predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar—a neutron star featuring a powerful magnetic field, according to a Cornell ...
Astronomy
May 4, 2023
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65
Experts in nuclear physics and quantum information have demonstrated the application of a photon-number-resolving system to accurately resolve more than 100 photons. The feat is a major step forward in capability for quantum ...
Optics & Photonics
Apr 26, 2023
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423
A team of researchers has demonstrated the ultimate sensitivity allowed by quantum physics in measuring the time delay between two photons.
Optics & Photonics
Apr 25, 2023
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260
Even if you are not a quantum physicist, you will most likely have heard of Schrödinger's famous cat. Erwin Schrödinger came up with the feline that can be alive and dead at the same time in a thought experiment in 1935. ...
Quantum Physics
Apr 20, 2023
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735
Moiré patterns occur everywhere. They are created by layering two similar but not identical geometric designs. A common example is the pattern that sometimes emerges when viewing a chain-link fence through a second chain-link ...
Nanophysics
Apr 20, 2023
0
74
Quantum theory, which was formulated in the first three decades of the twentieth century, describes a wide array of phenomena at the molecular, atomic and subatomic scales. Among its many technological applications, three ...
Quantum Physics
Apr 20, 2023
2
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