Researchers from Linköping University together with colleagues from Poland and Chile have confirmed a theory that proposes a connection between the complementarity principle and entropic uncertainty. Their study is published in the journal Science Advances.
Posted on 6 December 2024 | 7:00 pm
A joint research team led by Yuuki Kubo and Shiji Tsuneyuki of the University of Tokyo has developed a new computational method that can efficiently determine the crystal structures of multiphase materials, powders that contain more than one type of crystal structures. The method can predict the structure directly from powder X-ray diffraction patterns, the patterns of X-rays passing through crystals roughly the same size as instant coffee particles.
Posted on 5 December 2024 | 6:32 pm
Polarization photodetectors (pol-PDs) have widespread applications in geological remote sensing, machine vision, and biological medicine. However, commercial pol-PDs usually require bulky and complicated optical components and are difficult to miniaturize and integrate.
Posted on 5 December 2024 | 5:20 pm
In today's world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake pharmaceuticals to counterfeit currency, the need for secure and reliable authentication methods is paramount. Authentication labels are commonly used—such as holograms on bank notes and passports—but there is always a need for new unfalsifiable technologies.
Posted on 4 December 2024 | 8:35 pm
Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher energy than the voltage applied.
Posted on 3 December 2024 | 10:25 pm
Researchers at the University of Adelaide, as part of an international team, have developed an approach that makes advanced microscopy possible through an optical fiber thinner than a human hair.
Posted on 3 December 2024 | 2:51 pm
What do motion detectors, self-driving cars, chemical analyzers and satellites have in common? They all contain detectors for infrared (IR) light. At their core and besides readout electronics, such detectors usually consist of a crystalline semiconductor material.
Posted on 3 December 2024 | 2:44 pm
A research team led by Prof. Zhang Ze from the Aerospace Information Research Institute (AIR) of the Chinese Academy of Sciences has developed a hyper-sampling imaging (HSI) technology that enhances the image quality and resolution of digital imaging systems. The study was published in Laser & Photonics Reviews.
Posted on 2 December 2024 | 9:52 pm
An optical lattice clock is a type of atomic clock that can be 100 times more accurate than cesium atomic clocks, the current standard for defining "seconds." Its precision is equivalent to an error of approximately one second over 10 billion years. Owing to this exceptional accuracy, the optical lattice clock is considered a leading candidate for the next-generation "definition of the second."
Posted on 2 December 2024 | 9:20 pm
In the effort to develop new quantum technologies of the future, scientists are pursuing several different approaches. One avenue seeks to use molecules as the fundamental building blocks of quantum technologies.
Posted on 2 December 2024 | 5:54 pm
A team experimentally observed higher-order and fractional discrete time crystals (DTCs) in periodically driven Rydberg atomic dissipative systems. Their study was published in Nature Communications. The team was led by Prof. Ding Dongsheng from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences.
Posted on 2 December 2024 | 5:50 pm
Imagine placing an object under a microscope and pressing a button to rearrange the surface atoms with atomic-scale precision. This once sci-fi scenario is now a reality thanks to pioneering research published in Applied Surface Science.
Posted on 2 December 2024 | 5:41 pm
High harmonic generation (HHG) is a highly non-linear phenomenon where a system (for example, an atom) absorbs many photons of a laser and emits photons of much higher energy, whose frequency is a harmonic (that is, a multiple) of the incoming laser's frequency. Historically, the theoretical description of this process was addressed from a semi-classical perspective, which treated matter (the electrons of the atoms) quantum-mechanically, but the incoming light classically. According to this approach, the emitted photons should also behave classically.
Posted on 2 December 2024 | 5:06 pm
The deep neural network models that power today's most demanding machine-learning applications have grown so large and complex that they are pushing the limits of traditional electronic computing hardware.
Posted on 2 December 2024 | 4:00 pm
In a study at the University of Twente, researchers discovered a way to scatter light in a special, symmetrical way using nanotechnology. This shows potential for future technologies such as anti-counterfeiting.
Posted on 29 November 2024 | 4:18 pm
Since it was first demonstrated in the 1960s, spontaneous parametric down-conversion (SPDC) has been at the center of many quantum optics experiments that test the fundamental laws of physics in quantum mechanics, and in applications like quantum simulation, quantum cryptography, and quantum metrology.
Posted on 29 November 2024 | 3:43 pm
A team of engineers at the University of Science and Technology of China has developed a new way to code data onto a diamond with higher density than prior methods. In their paper published in the journal Nature Photonics, the group notes that such optical discs could hold data safely at room temperature for millions of years.
Posted on 29 November 2024 | 3:40 pm
Physicists from the University of the Witwatersrand (Wits) have developed an innovative computing system using laser beams and everyday display technology, marking a significant leap forward in the quest for more powerful quantum computing solutions.
Posted on 29 November 2024 | 2:36 pm
Interference (excess noise) to quantum signals from sunlight has slowed down the creation of a global scale quantum communications network, but now physicists at Heriot-Watt University have proposed a way to tackle this "daylight noise"' issue, paving the way for all-day satellite transmission.
Posted on 29 November 2024 | 1:42 pm
A team led by Francesca Ferlaino has set a new milestone in atomic physics by trapping individual erbium atoms in optical tweezers for the first time. Taking advantage of erbium's complex electronic structure, which opens up new degrees of freedom and possibilities, this advancement opens the door to a range of innovative experiments in quantum science. The research is published in Physical Review Letters.
Posted on 27 November 2024 | 4:02 pm
It's hard to tell when you're catching some rays at the beach, but light packs a punch. Not only does a beam of light carry energy, it can also carry momentum. This includes linear momentum, which is what makes a speeding train hard to stop, and orbital angular momentum, which is what the Earth carries as it revolves around the sun.
Posted on 26 November 2024 | 6:10 pm
Researchers have discovered a way to recycle the tiny particles used to create supraparticle lasers, a technology that precisely controls light at a very small scale. The breakthrough could help manage these valuable materials in a more sustainable way.
Posted on 26 November 2024 | 5:34 pm
Over the past several decades, researchers have been getting better and better at manipulating tiny particles with acoustic waves. Dubbed "acoustic tweezers," the technology started with the simplistic trapping of particles and has since expanded to include the precise rotation and movement of cells and organisms in three dimensions.
Posted on 26 November 2024 | 4:10 pm
Radiative heat transfer is one of the most critical energy transfer mechanisms in nature. However, traditional blackbody radiation, due to its inherent characteristics, such as its non-directional, incoherent, broad-spectrum, and unpolarized nature, results in energy exchange between the radiating body and all surrounding objects, significantly limiting heat transfer efficiency and thermal flow control. These limitations hinder its practical application.
Posted on 26 November 2024 | 4:03 pm
Light-emitting diodes (LEDs) are everywhere in modern life, from smartphones to home lighting. But today's LEDs have a major limitation: when you try to make them brighter by increasing their power, they become less efficient.
Posted on 25 November 2024 | 5:59 pm
A research team at European XFEL and DESY has achieved a major advance in X-ray science by generating unprecedented high-power attosecond hard X-ray pulses at megahertz repetition rates. This advancement opens new frontiers in the study of ultrafast electron dynamics and enables non-destructive measurements at the atomic level.
Posted on 25 November 2024 | 4:41 pm
A team of researchers has successfully demonstrated nonlinear Compton scattering (NCS) between an ultra-relativistic electron beam and an ultrahigh intensity laser pulse using the 4-Petawatt laser at the Center for Relativistic Laser Science (CoReLS) within the Institute for Basic Science at Gwangju Institute of Science and Technology (GIST), Korea.
Posted on 25 November 2024 | 4:33 pm
People with photosensitive epilepsy could benefit from a prototype pair of glasses with lenses that block out wavelengths that are known to cause seizures in some people.
Posted on 22 November 2024 | 5:50 pm
A ultrasound technique from the University of Nottingham will allow the production of sharper images inside live cells without causing damage at resolutions that were previously unattainable.
Posted on 22 November 2024 | 5:45 pm
Fresco painting, a technique that dates back to antiquity, involves applying dry pigments to wet plaster, creating stunning artwork that can last for centuries. Over time, however, these masterpieces often face degradation due to delamination, where decorative plaster layers separate from the underlying masonry or structural plaster. This deterioration can compromise the structural integrity of the artwork, necessitating restoration efforts.
Posted on 21 November 2024 | 6:08 pm
Design firm MBLD used a variety of Lucent Lighting luminaires to sophisticated effect at Ritz-Carlton property in Jordan.
Posted on 6 November 2024 | 4:00 pm
Circadian rhythm lighting could revolutionize healthcare. So why is it so hard to sell? SARAH MORGAN illuminates the challenges and flips the script.
Posted on 29 October 2024 | 1:30 pm
ALEX PRICE and GARY STEINBERG explain how well-designed LED lighting schemes can improve public safety, engage citizens, and boost local economies.
Posted on 23 October 2024 | 2:25 pm
L-Prize Phase III requirements and bonus points demonstrate DOE’s emphasis on practical advances for people and the planet, writes PNNL’s KATE HICKCOX.
Posted on 15 October 2024 | 8:32 pm
In an adaptive reuse project, Luminis pendants deliver soft direct and indirect illumination to balance the interior rooted in a more industrial style.
Posted on 2 October 2024 | 5:22 pm
Pedestrian bridge features color-changing lighting to help ensure safe passage over busy interstate while adding beacon of radiant light on city skyline.
Posted on 2 October 2024 | 2:49 pm
New hires demonstrate the breadth of exciting opportunities in the North American lighting and controls market.
Posted on 17 September 2024 | 9:21 pm
POOK VILLEGAS introduces the basics of lighting simulation software for designers who are just starting out.
Posted on 16 September 2024 | 9:17 pm
When properly planned, large retail projects can benefit from the improved illumination, energy savings, low maintenance, reduced downtime, and lower costs of LED lighting retrofits.
Posted on 11 September 2024 | 4:54 pm
PNNL researchers compare the effectiveness and energy use of GUV to other methods for meeting CDC and ASHRAE guidelines on indoor air quality.
Posted on 28 August 2024 | 4:59 pm
DLC’s LUNA guidance gets a nod from the GSA, as the consortium shares study findings that elaborate on energy/cost benefits of qualified outdoor lighting.
Posted on 15 August 2024 | 10:31 pm
Technology startup founder SARAH MORGAN opens a series about circadian lighting opportunities with a call for readers to vote on covered project findings.
Posted on 7 August 2024 | 6:17 pm
LED developers continue to push performance in compact emitters, digging in to refine thermal management and optical designs for a range of use cases.
Posted on 5 August 2024 | 8:03 pm
ZHAGA CONSORTIUM members summarize how replaceable components prolong the useful life of luminaires and contribute to a circular economy.
Posted on 25 July 2024 | 1:34 pm
Any sustainability initiative must include protection of night skies, says the nonprofit, as it joins forces with LUCI.
Posted on 23 July 2024 | 4:56 pm
A name change is coming at owner SGH to reflect the computing emphasis. SK Telecom invests $200 million for AI development, soon after SGH boss says LED industry will likely consolidate. Is Cree in or out?
Posted on 18 July 2024 | 9:17 pm
DLC program director LIESEL WHITNEY-SCHULTE condenses the core industry initiatives in which the DLC participates to inform standards development and product assessment criteria.
Posted on 17 July 2024 | 12:56 pm
High-bay lighting from Luminis contributes to a unique restaurant aesthetic in Earl Giles Distillery production space.
Posted on 16 July 2024 | 7:53 pm
RAC secured a commitment from the Conservative Party. With Labour now in power, there’s no guarantee the research will continue.
Posted on 15 July 2024 | 6:11 pm
Will owner SGH sell the venerable chip maker? Or is it looking to buy?
Posted on 11 July 2024 | 5:36 pm
Cree LED president JOE CLARK credits manufacturing outsourcing, application-specific advances, and a collaborative R&D facility with bolstering the LED developer through challenges.
Posted on 10 July 2024 | 12:00 pm
The Montreal company partners with Pittsburgh’s Leaficient to enhance the SUN as a Service offering.
Posted on 9 July 2024 | 8:06 pm
So say the authors of a new paper that is bound to stir controversy.
Posted on 5 July 2024 | 4:23 pm
Recycled aluminum, reusability, and night sky protection all factor into a rugged new wall-mounted line.
Posted on 3 July 2024 | 3:49 pm
Not all recycling is created equal. A pilot project involving a sprawling Oslo office park yields promising results.
Posted on 28 June 2024 | 12:00 pm