Laser squared: A two-domain photon-phonon laser
Lasers are a significant historical invention with ubiquitous impact in society. The concept also has interdisciplinary applications as phonon lasers and atom lasers. A laser in one physical domain can be pumped by energy in another. Nevertheless, al.....»»
High-precision infrared imaging technology reveals the magnetic domain structure of non-collinear antiferromagnets
Non-collinear antiferromagnetic materials, which have a net magnetic moment of nearly zero, yet exhibit significant anomalous transverse transport properties, are considered candidate materials for the next generation of spintronic devices......»»
"Acceleration beats" shine bright light on a novel universal modulation regime in a semiconductor-based laser
Researchers at the Paul-Drude-Institute for Solid State Electronics (PDI) have observed a novel modulation regime characterized by the emergence of previously unseen "acceleration beats" in a modulated semiconductor-based laser......»»
New device precisely controls photon emission for more efficient portable screens
Recently, a team of chemists, mathematicians, physicists and nano-engineers at the University of Twente in the Netherlands developed a device to control the emission of photons with unprecedented precision. This technology could lead to more efficien.....»»
The Artificial Intelligence Era Faces a Threat from Directed Energy Weapons
Autonomous and AI-enabled systems increasingly rely on optical and radio frequency sensors and significant computer power. They face growing vulnerabilities from directed-energy laser and microwave weapons.....»»
Observing mammalian cells with superfast soft X-rays
Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or quadrillionths of a second......»»
Canon imageClass MF654cdw review: a low-cost, high-quality color laser printer
Canon's imageClass MF654cdw is a high-quality color laser printer at a budget price, so we checked what tradeoffs were made to make it so affordable......»»
US officials: A Russian rocket launch last week likely deployed a space weapon
"Naming space as a warfighting domain was kind of forbidden, but that's changed." Enlarge / A Russian Soyuz rocket climbs away from the Plesetsk Cosmodrome on May 16. The launch of a classified Russian military satellit.....»»
7 of the best sites for royalty-free, public domain music
Free music? Yes, there are places online where you enjoy free music. The catch? This is content that's no longer protected by copyright......»»
A root-server at the Internet’s core lost touch with its peers. We still don’t know why.
For 4 days, the c-root server maintained by Cogent lost touch with its 12 peers. Enlarge For more than four days, a server at the very core of the Internet’s domain name system was out of sync with its 12 root server.....»»
DNS glitch that threatened Internet stability fixed; cause remains unclear
For 4 days, the c-root server maintained by Cogent lost touch with its 12 peers. Enlarge For more than four days, a server at the very core of the Internet’s domain name system was out of sync with its 12 root server.....»»
How Lorelei and the Laser Eyes went from a small project to 2024’s most ambitious game
Lorelei and the Laser Eyes is a sprawling puzzle game, but developer Simogo originally set out to make something smaller than Sayonara Wild Hearts......»»
Actin research shows how butterfly wings get their vibrant colors
The secret of how butterfly wings get their vibrant colors has been revealed in a new study. Using cutting-edge super resolution microscopy, researchers from the University of Sheffield and the Central Laser Facility have been able to investigate the.....»»
Twitter URLs redirect to x.com as Musk gets closer to killing the Twitter name
X.com stops redirecting to Twitter.com over a year after company name change. Enlarge (credit: Getty Images | Kirill Kudryavtsev) Twitter.com links are now redirecting to the x.com domain as Elon Musk gets closer to wipi.....»»
Accelerated discovery research unveils 21 novel materials for advanced organic solid-state laser technology
Organic solid-state lasers (OSLs) hold immense promise for a wide range of applications due to their flexibility, color tunability, and efficiency. However, they are difficult to make, and with over 150,000 possible experiments required to conduct to.....»»
Researchers elucidate ultrafast laser-induced solid-to-overdense-plasma transitions
The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization of elements in medica.....»»
New optical tweezers can trap large and irregularly shaped particles
Researchers have developed new optical tweezers that can stably trap particles that are large—about 0.1 mm—and irregularly shaped. While conventional optical tweezers use highly focused laser beams to trap micro- or nano-scale rod shaped or spher.....»»
Smaller laser facility uses new method to exceed previous record for proton acceleration
The Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has made a significant advance in laser plasma acceleration. By employing an innovative method, a research team managed to substantially exceed the previous record for proton acceleration......»»
Growth mindset teaching helps students make the grade
It's been more than 30 years since psychologist Carol Dweck introduced "growth mindset"—the psychological and motivational effects of believing that a person's ability in any domain is not fixed but can develop through effort and coaching. The conc.....»»
Alternating triangular charge density wave domains observed within a layered superconducting compound
A research team consisting of NIMS and the Tokyo University of Science observed charge density waves (CDWs) within niobium diselenide (NbSe2)—a layered compound—at cryogenic temperatures and discovered that they form alternating triangular domain.....»»
Probing neptunium"s atomic structure with laser spectroscopy
A new technique developed by researchers in Germany can measure ionization states of this element more precisely than before, with implications for its detection and remediation in radioactive waste......»»