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.....»»
Ultra-short laser flashes on demand: Controllable light pulse pairs from a single-fiber laser
In an innovative approach to controlling ultrashort laser flashes, researchers from the Universities of Bayreuth and Konstanz are using soliton physics and two pulse combs within a single laser. The method has the potential to drastically speed up an.....»»
Scientists collect eDNA samples in the extreme environment of the Arctic melting glaciers autonomously
What if there was a way to collect environmental DNA (eDNA) samples in extreme environments autonomously? And what if this method allowed the collection of more samples and to prevent risk of sample contamination? Portuguese researchers from the Inst.....»»
Process for the optical analysis of trace gases optimized
Laser-based absorption spectroscopy is an important method for determining the concentration of gas components in a sample. Modern devices are highly specialized for detecting very specific gases, such as trace gases in the atmosphere, in combustion.....»»
Researchers reveal new findings on diamond rain on ice planets
An international team of researchers led by Dr. Mungo Frost from the SLAC research center in California has gained new insights into the formation of diamond rain on icy planets such as Neptune and Uranus, using the X-ray laser European XFEL in Schen.....»»
US Atlantic coastline is sinking, new study claims
The glaciers around our planet are slowly melting, releasing more water into the oceans. We’ve seen plenty of studies discussing what will happen if the … The post US Atlantic coastline is sinking, new study claims appeared first on BGR......»»
Breaking the 10-petawatt limit with a new laser amplification
Ultra-intense ultrashort lasers have a wide-ranging scope of applications, encompassing basic physics, national security, industrial service, and health care. In basic physics, such lasers have become a powerful tool for researching strong-field lase.....»»
Even far below freezing, ice"s surface begins melting as temperatures rise
Physics is filled with mysteries. To find a few worth exploring, look no further than an ice cube. At room temperature, of course, the cube will melt before your eyes. But even far below freezing, ice can shift in barely perceptible ways that scienti.....»»
Laser scarecrows could offer a sustainable solution for protecting crops from birds
Damage to crops caused by birds costs millions of dollars each year. Now, researchers from the University of Florida and the University of Rhode Island in the US are investigating the effectiveness of laser scarecrows—a high-tech solution using lig.....»»
Researchers boost signal amplification in perovskite nanosheets
Perovskite materials are still attracting a lot of interest in solar cell applications. Now, the nanostructures of perovskite materials are being considered as a new laser medium. Over the years, light amplification in perovskite quantum dots has bee.....»»
A cat video highlighted a big year for lasers in space
NASA has invested more than $700 million in testing laser communications in space. Enlarge / Taters, the orange tabby cat of a Jet Propulsion Laboratory employee, stars in a video beamed from deep space by NASA's Psyche spacecraf.....»»
Father says his daughter’s car is melting in the driveway. Honda says it’s not covered by warranty
Father says his daughter’s car is melting in the driveway. Honda says it’s not covered by warranty.....»»
Brother MFC-L3780 CDW review: quick color for your small business
We tested Brother's MFC-L3780 CDW, a full-featured color laser that can print, scan, copy, and fax from Wi-Fi, Ethernet, USB, or thumb drive......»»
Examining how fiber content affects mechanical properties in flax and pineapple leaf fiber-reinforced plastic composites
A new study has compared the reinforcing efficiency of pineapple leaf fiber (PALF) and cultivated flax fiber in poly(butylene succinate) composites. PALF, a less explored but potentially sustainable alternative, outperformed flax at 20 wt.%, showcasi.....»»
Engineers pair laser light to crystal lattice vibrations to enhance optical properties of 2D material
Engineers at Columbia University and theoretical collaborators at the Max Planck for the Structure and Dynamics of Matter have found that pairing laser light to crystal lattice vibrations can enhance the nonlinear optical properties of a layered 2D m.....»»
A new map shows all above-ground biomass in the Brazilian Amazon
Publication of a new map showing all the above-ground biomass in the Brazilian Amazon is good news in the context of the severe crisis afflicting the world's largest contiguous tropical rainforest. Using airborne laser scanning and satellite imagery.....»»
Research team develops optical technique for simultaneously producing and shaping gigahertz burst pulses
The generation and manipulation of high-repetition pulses hold great promise across various applications, including high-speed photography, laser processing, and acoustic wave generation. Gigahertz (GHz) burst pulses, with intervals ranging from ~0.0.....»»
The feline frontier: NASA sends cat video from deep space
NASA on Monday announced it had used a state-of-the-art laser communication system on a spaceship 19 million miles (31 million kilometers) away from Earth—to send a high-definition cat video......»»
A NASA cat video in deep space just did something very special
NASA has streamed the first ultra-HD video (of a cat!) via laser from deep space, paving the way for higher-data-rate communications in future missions......»»
Ultrafast laser technology could offer improved cancer treatment
Ultrafast laser technology continues to surprise. While research in this field may seem rather abstract at first glance, it very often leads to concrete applications. This is particularly true in health care, where the technology can be used to treat.....»»
NASA"s space station laser comm terminal achieves first link
A NASA technology experiment on the International Space Station completed its first laser link with an in-orbit laser relay system on Dec. 5, 2023. Together, they complete NASA's first two-way, end-to-end laser relay system......»»