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.....»»
Laser imaging could offer early detection for at-risk artwork
Look closely at Impressionist paintings in museums compared with photos of them taken 50 years ago, and you might notice something odd: Some are losing their bright yellow hues......»»
Researchers develop tiny droplets that harness laser light to detect disease markers
A team of researchers led by Nanyang Technological University, Singapore (NTU Singapore) has created tiny droplets that, when activated by laser light, can detect viral protein biomarkers indicating the presence of certain diseases......»»
Psyche spacecraft sends data back to Earth using lasers for the first time
NASA's experimental laser communication system, riding along with the Psyche spacecraft, has transmitted Psyche data from over 140 million miles away......»»
A molecular fingerprint beyond the Nyquist frequency
Ultrashort pulses play a significant role in spectroscopic applications. Their broad spectral bandwidth enables simultaneous characterization of the sample at various frequencies, eliminating the need for repeated measurements or laser tuning. Moreov.....»»
Laser technology offers breakthrough in detecting illegal ivory
A new way of quickly distinguishing between illegal elephant ivory and legal mammoth tusk ivory could prove critical to fighting the illegal ivory trade. A laser-based approach developed by scientists at the Universities of Bristol and Lancaster, cou.....»»
Hisense’s PX3-Pro Laser Cinema gets AI, a bigger picture, and better sound
Hisense today unveiled its latest ultra short throw projector, the PX3-Pro Laser Cinema. It boast a brighter and bigger image, plus 50 watts of built-in sound......»»
Laser-treated cork absorbs oil for carbon-neutral ocean cleanup
Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are often used to break down oi.....»»
Feedback loop that is melting ice shelves in West Antarctica revealed
New research has uncovered a feedback loop that may be accelerating the melting of the floating portions of the West Antarctic Ice Sheet, pushing up global sea levels......»»
European XFEL elicits secrets from an important nanogel
An international team at the world's largest X-ray laser European XFEL at Schenefeld near Hamburg has scrutinized the properties of an important nanogel that is often used in medicine to release drugs in a targeted and controlled manner at the desire.....»»
Lorelei and the Laser Eyes could be one of 2024’s best and boldest games
Based on what we've played so far, you do not want to miss the mysterious Lorelei and the Laser Eyes......»»
Attosecond imaging made possible by short and powerful laser pulses
Extremely short pulses of laser light with a peak power of 6 terawatts (6 trillion watts)—roughly equivalent to the power produced by 6,000 nuclear power plants—have been realized by two RIKEN physicists. This achievement will help further develo.....»»
Reptiles in South Africa are under threat, but there"s good news too
Media reports about the biodiversity crisis and what researchers have argued qualifies as a mass extinction event tend to focus on the big ecological effects. Melting ice sheets, severe weather events, droughts, habitat loss and wildfires dominate he.....»»
Laser-patterned thin films that swell into kirigami-like structures offer new opportunities in hydrogel technology
New options for making finely structured soft, flexible and expandable materials called hydrogels have been developed by researchers at Tokyo University of Agriculture and Technology (TUAT)......»»
Team reports on ultrafast laser state active controlling based on anisotropic quasi-1D material
Tunable ultrafast lasers with adjustable parameters, such as wavelength, intensity, pulse width and laser states are desirable as next-generation intelligent light sources. Due to complex nonlinear effects within the ultrafast system, it is challengi.....»»
Quantum behavior at room temperature: When laser light makes materials magnetic
The potential of quantum technology is huge but is today largely limited to the extremely cold environments of laboratories. Now, researchers from Stockholm University, the Nordic Institute for Theoretical Physics and the Ca' Foscari University of Ve.....»»
Electro-optic 3D snapshot of a laser wakefield accelerated kilo-ampere electron bunch
Invented by T. Tajima and J. Dawson, laser wakefield acceleration (LWFA) harnesses the power of high-intensity laser pulses to drive plasma waves with acceleration gradients orders of magnitude higher than conventional RF-based accelerators......»»
Microprinting millions of microparticles in the blink of an eye through multi-photon 3D laser printing
Multi-photon 3D laser printing has revolutionized miniature fabrication, but limitations in speed and material compatibility have held it back. Now, researchers have taken a giant leap forward, achieving a tenfold increase in print speed while maint.....»»
Inkjet vs. laser: What’s the difference, and which is best?
Ready to buy a new printer for your home or office but unsure if you need an inkjet or a laser? We'll help you buy the right printer for your needs......»»
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.....»»
Unlocking Arctic mysteries: How melting ice shapes our climate
Recent decades have witnessed rapid changes in the Arctic climate, with warming rates surpassing global averages by three to four times. This puzzling "Warm Arctic, Cold Eurasia" climate phenomenon has profound implications, sparking scientific curio.....»»