Laser melting: Fewer unknowns in the laser nanosynthesis of composites
Composite particles with submicron sizes can be produced by irradiating a suspension of nanoparticles with a laser beam. Violent physical and chemical processes take place during irradiation, many of which have been poorly understood to date. Recentl.....»»
A new milestone for laser technology: Seeded free-electron lasers
Extremely intense light pulses generated by free-electron lasers (FELs) are versatile tools in research. Particularly in the X-ray range, they can be deployed to analyze the details of atomic structures of a wide variety of materials and to follow fu.....»»
PCI standards group deflects, assigns blame for melting GPU power connectors
"Members are responsible for safety testing of their products." Enlarge / Nvidia's 12VHPWR power cable adapter, as shipped with an RTX 4080. (credit: Andrew Cunningham) Nvidia's new RTX 4090 and 4080 GPUs both use a new.....»»
New chip-scale laser isolator opens new research avenues in photonics
Lasers are transformational devices, but one technical challenge prevents them from being even more so. The light they emit can reflect back into the laser itself and destabilize or even disable it. At real-world scales, this challenge is solved by b.....»»
Gaining more control over plasma accelerators by combining acceleration methods
If one particle accelerator alone is not enough to achieve the desired result, why not combine two accelerators? An international team led by physicists at the Center for Advanced Laser Applications (CALA) at LMU Munich has implemented this idea. It.....»»
An energy-efficient method to enhance thermal conductivity of polymer composites
With their lightweight nature and flexibility, thermally conductive polymer composites are applied between a heat source and a sink in electronics to dissipate the generated heat to the surroundings. Efficient heat dissipation is achieved due to the.....»»
Optical communication device maker eLASER cautious about 1H23
Elite Advanced Laser (eLASER ) remains cautious about its business prospects for the first half of 2023 while reiterating its focus on demand for server-use high-speed optical communication devices......»»
Epson quitting laser printers doesn’t address its bigger sustainability issue
Epson will sell only inkjet printers as of 2026. Enlarge (credit: Getty) There was a time when laser printers were a luxury. High prices pushed them out of the budgets of most homes and small businesses decades ago, but.....»»
The U.S. Military Wants To Power Bases With A Flying Chain Of Laser Drones
The U.S. military is exploring the idea of using drones to deliver power to forward operating bases rather than relying on diesel generators. The U.S. military is ex.....»»
Paris Rhône 4K Ultra Short Throw Laser Projector takes your media to the next level
Projectors in some ways can be better than TVs due to the fact that it can accommodate living rooms of various sizes, so if you’re looking for a new projector, perhaps the Paris Rhône 4K Ultra Short Throw Laser Projector might be worth taking a lo.....»»
Scientists demonstrate world"s first continuous-wave lasing of deep-ultraviolet laser diode at room temperature
A research group led by 2014 Nobel laureate Hiroshi Amano at Nagoya University's Institute of Materials and Systems for Sustainability (IMaSS) in central Japan, in collaboration with Asahi Kasei Corporation, has successfully conducted the world's fir.....»»
Quantum algorithms save time in the calculation of electron dynamics
Researchers have investigated the capability of known quantum computing algorithms for fault-tolerant quantum computing to simulate the laser-driven electron dynamics of excitation and ionization processes in small molecules. Their research is publis.....»»
FitTech expects new biz to drive revenue growth in 2023
LED probing, test and sorting equipment specialist FitTech expects its new offerings for edge-emitting laser diodes and compound semiconductor testing to contribute positively to revenue growth next year......»»
Strategies for the future
Many people are worried that deflation is lying ahead in the next two years. But there are many unknowns, and no one knows everything. Artificial intelligence (AI) is evolving faster than Moore's Law, and it is believed that by 2045, AI's computing p.....»»
Nvidia delivers official statement on melting RTX 4090 power cables
Nvidia issued an official statement today regarding instances of melting power cords for the GeForce RTX 4090. The company is aware of about 50 cases worldwide, claiming they result from users improperly plugging in the cables......»»
RTX 4090 owner launches class-action lawsuit against Nvidia over melting adapters
Lucas Genova filed the lawsuit on November 11 in California federal court. It claims that Nvidia sold its current Lovelace flagship cards with "defective and dangerous power cable plug and socket(s), which has rendered consumers' cards inoperable and.....»»
How to Use a Super-Intense Laser to Kick an Electron out of a Molecule
By firing pulses quintillionths of a second long, physicists study the fleeting motion of an electron leaving two bonded atoms......»»
Researchers turn asphaltene into graphene for composites
Asphaltenes, a byproduct of crude oil production, are a waste material with potential. Rice University scientists are determined to find it by converting the carbon-rich resource into useful graphene......»»
Trial by wind: Testing the heat resistance of carbon fiber-reinforced ultra-high-temperature ceramic matrix composites
Carbon fiber-reinforced carbon (C/C) is a composite material made of carbon fiber reinforced in a matrix of glassy carbon or graphite. It is best known as the material used in hypersonic vehicles and space shuttle orbiters, which cruise at speeds gre.....»»
AMD rips melting RTX 4090 adapter as Nvidia faces down class-action lawsuit
AMD took another jab at Nvidia's issues with melting RTX 4090 adapters, which comes on the heels of a class-action lawsuit filed against Nvidia......»»
Study shows hundreds of thousands of tons of bacteria are being released by melting glaciers
A team of researchers affiliated with multiple institutions across Europe, the U.K. and Canada has found that hundreds of thousands of tons of bacteria are currently being released annually into the environment by melting glaciers in the northern lat.....»»