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.....»»
Why is your Duolingo app melting? Here’s why it looks weird
Does your Duolingo app look weird this morning? More specifically, does it look like Duo is melting? You're not alone! Here's what's going on......»»
3D isotropic microfabrication in glass using spatiotemporal focusing of femtosecond laser pulses
Femtosecond (fs) laser direct writing (FLDW) is a laser micro/nano manufacturing technology that can focus the laser pulses on the surface or inside the material, causing local changes in material properties through nonlinear laser-material interacti.....»»
Widely tunable and high resolution mid-infrared laser based on optical parametric oscillator
A widely tunable and high resolution mid-infrared radiation source operating in the 3–5 µm region has been applied to numerous frontier applications, including remote sensing, molecular spectroscopy, and atmosphere environmental monitoring......»»
Physicists create new form of antenna for radio waves
University of Otago physicists have used a small glass bulb containing an atomic vapor to demonstrate a new form of antenna for radio waves. The bulb was "wired up" with laser beams and could therefore be placed far from any receiver electronics......»»
Ice sheet surface melt is accelerating in Greenland and slowing in Antarctica, finds study
Surface ice in Greenland has been melting at an increasing rate in recent decades, while the trend in Antarctica has moved in the opposite direction, according to researchers at the University of California, Irvine and Utrecht University in the Nethe.....»»
NASA’s Psyche Mission Is Off to Test a Space Laser (for Communications)
The Psyche probe is heading to its namesake metal-rich asteroid. Along the way, it will demonstrate a near-infrared laser system to send high-rate data hundreds of millions of miles home......»»
Best color laser printers for 2023: tested and reviewed
Color laser printers are the go-to choice for home offices and small businesses. But which should you buy? Here are our picks for the best color laser printers......»»
Daily deals Oct. 13: $1,500 off 2TB MacBook Pro, up to 49% off iPad Pro, Samsung Odyssey G9 $899, more
Today's top deals include 46% off an OtterBox iPhone 14 Commuter Series case, $370 off a Roborock Q7 Max Plus robot vacuum and mop, 50% off Soundcore by Anker wireless earbuds, Canon laser printer for $199.99, and more.Save on M1 MacBook Pro, iPad Pr.....»»
Even older RTX 4090s aren’t safe from melting connector
Nvidia's RTX 4090 power connectors typically melt quickly or not at all -- but it seems that, even after a year, the GPU can still be in danger......»»
Creating a broadband diffractive graphene orbital angular momentum metalens by laser nanoprinting
Optical beams carrying orbital angular momentum (OAM) attract widespread attention and play an important role in optical data storage, optical communications, quantum information processing, super-resolution imaging, and optical trapping and manipula.....»»
Samsung’s 120-inch smart 4K laser projector is $700 off right now
Want to save some money on a home theater experience? Buy the Samsung 120-inch The Premiere 4K projector for $1,000 off but be quick!.....»»
The best October Prime Day laser printer deals happening now
Get a laser printer for your home office or business for cheap through the Prime Day deals in October, not just from Amazon but also from its rival retailers......»»
Mushroom-derived materials could offer benefits for developing nations in Africa
A research team from the University of Bristol has suggested that mycelium composites could offer a sustainable alternative to traditional building materials and help address socio-economic and environmental challenges in Africa......»»
Researchers reveal dust source on Tibetan Plateau
Dust deposited on a glacier's surface can reduce the albedo of the ice and increase absorption efficiency of solar radiation, which has a significant impact on glacier melting and global climate change......»»
Researchers develop nonlinear optical crystals by unusual cationic substitution strategy
An ideal infrared (IR) nonlinear optical (NLO) crystal must have the advantages of a wide transmittance range, impressive laser-induced damage threshold (LIDT), sufficient birefringence index, bulk single-crystal form, and physicochemical stability......»»
Free-space nanoprinting beyond optical limits to create 4D functional structures
Two-photon polymerization is a potential method for nanofabrication to integrate nanomaterials based on femtosecond laser-based methods. Challenges in the field of 3D nanoprinting include slow layer-by-layer printing and limited material options as a.....»»
I dismantled my 8-year-old printer to replace a tiny piece of rubber — and it was so worth it
When my 2015 Samsung laser printer stopped working, I turned to YouTube for the fix......»»
Super-efficient laser light-induced detection of cancer cell-derived nanoparticles achieved
Can particles as minuscule as viruses be detected accurately within a mere five minutes? Osaka Metropolitan University scientists say yes, with their innovative method for ultrafast and ultrasensitive quantitative measurement of biological nanopartic.....»»
Laser-scribed graphene for sensors
With the development of the information era, sensors capable of transmitting and detecting information have become the leading way to obtain information. Therefore, building a sensor system with a wide detection range, high sensitivity and fast respo.....»»
Using air to deflect lasers
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, reports an interdisciplinary.....»»