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Analytical Chemistry 6 hours ago

'Two-for-one' fission aims to improve solar cell efficiency

Singlet fission occurs when an organic molecule absorbs one photon of light, then splits that light's energy in two—a doubling effect that has the potential to improve the light-harvesting efficiency in solar cells, assuming ...

Astronomy Jun 19, 2024

Supercooled phase transitions: Could they explain gravitational wave signals?

A new study published in Physical Review Letters explores the possibility that a strongly supercooled, first-order phase transition in the early universe could explain gravitational wave signals observed by pulsar timing ...

Quantum Physics Jun 17, 2024

Study proposes new constraints on exotic spin-spin-velocity-dependent interactions between electron spins

A research team has utilized solid-state spin quantum sensors to scrutinize exotic spin-spin-velocity-dependent interactions (SSIVDs) at short force ranges, reporting new experimental results between electron spins. Their ...

Space Exploration Jun 17, 2024

Warp drives could generate gravitational waves

Will future humans use warp drives to explore the cosmos? We're in no position to eliminate the possibility. But if our distant descendants ever do, it won't involve dilithium crystals, and Scottish accents will have evaporated ...

General Physics Jun 17, 2024

Scientists develop 3D printed vacuum system that aims to trap dark matter

Using a specially designed 3D printed vacuum system, scientists have developed a way to "trap" dark matter with the aim of detecting domain walls. This will be a significant step forwards in unraveling some of the mysteries ...

Astronomy Jun 17, 2024

MOND vs. dark matter: Research suggests that rotation curves of galaxies stay flat indefinitely

In a discovery that challenges the conventional understanding of cosmology, scientists at Case Western Reserve University have unearthed new evidence that could reshape our perception of the cosmos.

Planetary Sciences Jun 17, 2024

Establishing the age and origin of Jupiter's Great Red Spot

Research staff at the University of the Basque Country (UPV/EHU), the Universitat Politècnica de Catalunya—BarcelonaTech (UPC) and the Barcelona Supercomputing Center (CNS-BSC) have analyzed historical observations since ...

Astronomy Jun 12, 2024

NASA's Roman mission gets cosmic 'sneak peek' from supercomputers

Scientists at NASA's Jet Propulsion Laboratory contributed to a project that sets the stage for two telescopes investigating one of astrophysics' biggest mysteries.

Condensed Matter Jun 12, 2024

Dark excitons shed new light on matter

A team of Monash researchers have uncovered for the first time the full effects of interactions between exciton-polaritons and their associated dark excitonic reservoir. The study, "Polaronic polariton quasiparticles in a ...

Astronomy Jun 11, 2024

How did a satellite galaxy of the Milky Way come to be? Physicists offer an explanation

Crater 2, located approximately 380,000 light years from Earth, is one of the largest satellite galaxies of the Milky Way. Extremely cold and with slow-moving stars, Crater 2 has low surface brightness. How this galaxy originated ...

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