Physics – Microchip Provides Made-to-Order Photons
August 22, 2025• Physics 18, 151 A 10-µm-wide microchip can generate light with any desired direction, polarization, and…
Black Holes Are the Elusive Source of the Universe’s Dark Energy, Study Argues
Dark energy—the hypothetical force accelerating our universe’s expansion—sometimes raises more questions than it answers. A new study, however,…
Record-Breaking “Watermelon” Nucleus Could Rewrite Atomic Science
The study is part of Henna Kokkonen’s doctoral thesis. Credit: Tommi Sassi After more than 30 years, physicists…
Scientists Crack the Code of China’s Mysterious “Matrix Tide”
On China’s Qiantang River, witnesses recently observed an extraordinary “matrix tide,” where colliding tidal bores formed a grid…
Optical focusing into scattering media via iterative time reversal guided by absorption nonlinearity
Wang, L. V. & Wu, H. Biomedical Optics: Principles and Imaging. (John Wiley & Sons, 2007). Hampson, K.…
Sean Carroll explains why physics is both simple and impossible
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What appeared to be a normal galaxy concealed a ring of light
It is not every day that a nearby, cataloged galaxy reveals a secret hiding in plain sight. A…
Astronomers See Inside The Core of a Dying Star For the First Time, Confirm How Heavy Atoms Are Made
An illustration of the ‘extremely stripped’ supernova 2021yfj. Keck Observatory / Adam Makarenko Astronomers have glimpsed the inner structure…
What Came Before the Big Bang? New Study Says ‘Numerical Relativity’ Could Unlock Cosmology’s Biggest Mysteries
It is one of cosmology’s most perplexing questions: what happened before the Big Bang? Although the question has…
Single-shot readout of the nuclear spin of an on-surface atom
Single-shot readout We investigate individual Ti atoms on the oxygen binding site of an MgO/Ag(100) substrate (see “Methods”),…
What came before the Big Bang remains a mystery but new tools may help
What came before the Big Bang remains a mystery but new tools may help by Sophie Jenkins London,…
Latest Data Rule Out a Leading Explanation of a Neutrino Anomaly
August 21, 2025• Physics 18, s115 The MicroBooNE experiment’s five-year dataset has shown that an unpredicted neutrino-flavor oscillation…