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Earth Sciences Sep 8, 2026

Cosmic radiation at flight altitudes rises when the sun is less active

Radiation from space is constantly entering Earth's atmosphere, but how much of it reaches the altitudes used by commercial aircraft depends not only on height and location, but also on the activity of the sun. A new study ...

General Physics Sep 8, 2026

A photon that challenges Einstein: According to current physics, it should never have reached Earth

How did a photon survive a journey of more than 2 billion light-years when, according to known physics, it should have been absorbed long before reaching Earth? This is the question at the heart of a new study by Giorgio ...

Condensed Matter Sep 7, 2026

Reversible electric control unlocks persistent chiral phonon states

Atoms in a material are rarely still. They jiggle back and forth in collective lattice vibrations known as phonons. Their motion can also carry a rotational element: In 2023, scientists at PSI experimentally proved the existence ...

Nanophysics Sep 7, 2026

Two-color X-ray pulses capture the same nanoparticle at two moments in time

One big dream of ultrafast science has been to watch changes in nanoparticles or biomolecules on their natural timescale. Experimentally, this can be realized by taking two snapshots of the same object only femtoseconds apart. ...

Cell & Microbiology Sep 6, 2026

Advanced optical imaging reveals hidden activity in blood immune cells

A routine blood sample contains a diverse collection of immune cells that can reveal important clues about health and disease. These cells, known as peripheral blood mononuclear cells (PBMCs), are widely used to study infections, ...

Condensed Matter Sep 4, 2026

Ultrafast electrons and lasers reveal unexpectedly strong radiation signals in common semiconductors

Detecting radiation is key to technologies ranging from particle accelerators and scientific instruments to medical imaging and security screening. But current detectors must often make trade-offs, providing signals that ...

Optics & Photonics Sep 3, 2026

Quantum-optical spin glass could improve how AI remembers and learns

A new study has demonstrated that it is possible to make a network of atoms and photons that could improve how artificial intelligence stores and recalls memories. This network, called a quantum-optical spin glass, works ...

Nanophysics Sep 3, 2026

Scientists solve years-long mystery of 'beating' signal in a quantum material

A team of Korean researchers has become the first in the world to identify the origin of the "beating" signal that has long been a major obstacle to interpreting quantum signals in topological insulator (TI) nanowires. Their ...

Condensed Matter Sep 2, 2026

Trapped light generates nanoscale magnetization

Using an engineered metasurface that traps light, Cornell researchers have demonstrated a new way to generate strong static magnetic fields without using external magnets or magnetic materials—an approach that could advance ...

Nanophysics Sep 2, 2026

New nanostructure makes non-linear light conversion 72,000 times more efficient

Researchers from Graz University of Technology (TU Graz), Harvard and the University of Texas at Austin (UT Austin) have developed an innovative method for coupling light non-linearly. This opens up new possibilities for ...

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