2025 One Hertz Challenge: Atomic Decay Clock Is Accurate But Not Precise
At this point, atomic clocks are old news. They’ve been quietly keeping our world on schedule for decades…
Transforming the tip of a mechanical pencil lead into a high-quality electron beam source
Researchers at University of Tsukuba have demonstrated that graphitizing the fractured surface of a mechanical pencil lead enables…
Fast X-ray transients shine light on how stars end their lives and the distant universe
The jets pierce through the star, emitting X-rays and gamma rays as they stream into space. Credit: NASA/Swift/Cruz…
Coherent control of magnon–polaritons using an exceptional point
Goryachev, M. et al. High-cooperativity cavity QED with magnons at microwave frequencies. Phys. Rev. Appl. 2, 054002 (2014).…
A Distant Star Explodes While Swallowing Its Black Hole Companion
Interactions between supernovae and black holes must be exceedingly rare. But that’s the only explanation for a very…
Mathematical model reveals how collapsing matter and expanding voids shape universe’s evolution
The plot represents the new model with the x-axis and the y-axis showing the minimum sizes of collapsing…
Achromatic beam deflector with electrodynamic phased arrays
Chromatic aberration in the beam deflector and its compensation Beam steering with LC leverages its anisotropic characteristics to…
Scientists discover new phenomenon in chiral symmetry breaking
Novel spontaneous chiral symmetry breaking with in a single crystal. Credit: Spontaneous chiral symmetry breaking in a single…
A physics-informed Airy beam learning framework for blockage avoidance in sub-terahertz wireless networks
Airy beam generation and characterization To model the best Airy beam for delivering data to an obstructed user,…
Distinct terahertz nonlinear and Raman responses in cuprate superconductors Bi2Sr2CaCu2O8+x
Tinkham, M. Introduction to superconductivity. Second Edition, Dover Books on Physics (Courier Corporation, 2004). Kampfrath, T., Tanaka, K.…
Physicists create stable, ‘breathing’ solitons in settings without energy conservation
Breathing nonreciprocal soliton. Credit: Physical Review X (2025). DOI: 10.1103/nrv2-9h8z Solitonic waves—waves that keep their shape and direction…
Researchers May Have Finally Cracked One Of The Universe’s Oldest Mysteries
Witthaya Prasongsin/Getty Images The early universe is perhaps one…