Laser Fusion Experiment Unleashes an Energetic Burst of Optimism
An anonymous reader quotes a report from The New York Times: Scientists have come tantalizingly close to reproducing the power of the sun -- albeit only in a speck of hydrogen for a fraction of a second. Researchers at Lawrence Livermore National Lab.....»»
Surface emitting semiconductor laser achieves efficiency breakthrough
Since its inception, the power conversion efficiency (PCE) of edge-emitting laser (EEL) technology has been continuously breaking records, achieving a historically high efficiency of 85% at -50°C in 2006. Following this, in 2007, EEL also reached a.....»»
Space experts foresee an “operational need” for nuclear power on the Moon
“We do anticipate having to deploy nuclear systems on the lunar surface." Enlarge / Engineers from NASA and the National Nuclear Safety Administration lower the wall of a vacuum chamber around the KRUSTY experiment, the Kilowat.....»»
A return to roots: Lab builds its first stellarator in 50 years and opens the door for research into new plasma physics
For the first time, scientists have built a fusion experiment using permanent magnets, a technique that could show a simple way to build future devices for less cost and allow researchers to test new concepts for future fusion power plants......»»
Focusing ultra-intense lasers to a single wavelength
Ultra-intense ultrashort lasers are powerful tools used in various fields like physics, national security, industry, and health care. They help researchers delve into strong-field laser physics, laser-driven radiation sources, particle acceleration,.....»»
Researchers use smartphone screen to create 3D layered holographic images
Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual reality displays......»»
Old crystal, new story for enhancing deep ultraviolet laser performance
In the realm of science and technology, harnessing coherent light sources in the deep ultraviolet (DUV) region holds immense significance across various applications such as lithography, defect inspection, metrology, and spectroscopy. Traditionally,.....»»
Exploding stars are rare but emit torrents of radiation—one close enough to Earth could threaten life on the planet
Stars like the sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the sun shining steadily for about 5 billion more years, bu.....»»
Enhancing plant growth tracking with satellite image fusion techniques
The capacity to accurately monitor the timing of vegetation growth phases, known as land surface phenology (LSP), at fine spatial scales is critical for understanding ecosystem functions and managing natural resources. Despite advancements, the spars.....»»
Romania center explores world"s most powerful laser
"Ready? Signal sent!" In the control room of a research center in Romania, engineer Antonia Toma activates the world's most powerful laser, which promises revolutionary advances in everything from the health sector to space......»»
Researchers outline new approach in search for dark matter through future DUNE research project
A researcher at Colorado State University has developed a potential approach for identifying and understanding dark matter using the soon-to-be-built gigantic particle detectors at the international Deep Underground Neutrino Experiment (DUNE)......»»
Mapping the best route for a spacecraft traveling beyond the sun"s sphere of influence
The heliosphere—made of solar wind, solar transients, and the interplanetary magnetic field—acts as our solar system's personal shield, protecting the planets from galactic cosmic rays. These extremely energetic particles accelerated outwards fro.....»»
Plasma fusion: Adding just enough fuel to the fire
How much fuel can we add to the fire while still maintaining control? Metaphorically speaking, that's the question one team at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) has been asking themselves lately......»»
NASA"s mission to an ice-covered moon will contain a message between water worlds
NASA's Europa Clipper spacecraft, headed to Jupiter's ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity's connection to water. The message pays homage to past NASA missions that carried similar messag.....»»
Unlocking visible femtosecond fiber oscillators: An advance in laser science
The emergence of ultrafast laser pulse generation, marking a significant milestone in laser science, has triggered incredible progress across a wide array of disciplines, encompassing industrial applications, energy technologies, life sciences, and b.....»»
Researchers identify new method to boost laser processing resolution
Focusing a tailored laser beam through transparent glass can create a tiny spot inside the material. Researchers at Tohoku University have reported on a way to use this small spot to improve laser material processing, boosting processing resolution......»»
Micro-Lisa: Making a mark with novel nano-scale laser writing
High-power lasers are often used to modify polymer surfaces to make high-tech biomedical products, electronics and data storage components......»»
Bad Boys: Ride or Die’s trailer unleashes action movie mayhem
Will Smith and Martin Lawrence reunite in the first trailer for Bad Boys: Ride or Die, which finds these two career cops becoming fugitives on the run......»»
Testing begins on sensitive neutrino detector for nonproliferation and fundamental physics
Neutrinos and antineutrinos are nearly massless particles produced in many nuclear reactions, including the fission of uranium in nuclear power plants on Earth and the fusion reactions at the core of the sun......»»
Saturn"s moon Enceladus top target for ESA
A fresh, icy crust hides a deep, enigmatic ocean. Plumes of water burst through cracks in the ice, shooting into space. An intrepid lander collects samples and analyzes them for hints of life......»»
How immersive AI transforms skill development
Organizations are becoming more laser-focused on extracting the value of AI, moving from the experimentation phase toward adoption. While the potential for AI is limitless, AI expertise sadly is not. In this Help Net Security video, David Harris, Pri.....»»