Photon upconversion: Steering light with supercritical coupling
National University of Singapore researchers and their collaborators have unveiled a novel concept termed "supercritical coupling" that enables a several-fold increase in photon upconversion efficiency. This discovery not only challenges existing par.....»»
The ancient Egyptian goddess of the sky: How a researcher used modern astronomy to explore her link with the Milky Way
What did our ancestors think when they looked up at the night sky? All cultures ascribed special meaning to the sun and the moon, but what about the pearly band of light and shadow we call the Milky Way?.....»»
Saturday Citations: Dietary habits of humans; dietary habits of supermassive black holes; saving endangered bilbies
The onset of solar maximum has resulted in severe geomagnetic storms, with the possibility of aurora borealis events this weekend as far south as the northern United States. Do not be alarmed if you see awesome displays of light over your neighborhoo.....»»
Apple inching closer to ChatGPT deal with OpenAI
Talks between Apple and OpenAI have advanced so far, that a deal is reportedly close to completion that may bring ChatGPT generative AI technology to iOS 18 in some fashion.ChatGPT is in the App Store nowA report published late on Friday is light on.....»»
Scientists unlock key to breeding "carbon gobbling" plants with a major appetite
The discovery of how a critical enzyme "hidden in nature's blueprint" works sheds new light on how cells control key processes in carbon fixation, a process fundamental for life on Earth......»»
Harnessing breadfruit starch for bioethanol production
In a bid to address the growing demand for renewable energy, a team of scientists has turned to an unlikely source—the humble breadfruit. A recent study published in the Journal of Bioresources and Bioproducts has shed light on the bioprocessing of.....»»
Hubble Space Telescope glimpses spiral galaxy UGC 9684
The celestial object showcased in this image from the NASA/ESA Hubble Space Telescope is the spiral galaxy UGC 9684, which lies around 240 million light-years from Earth in the constellation Boötes. This image shows an impressive example of several.....»»
Parity-time symmetry: Unlocking faster and stronger optical signal processing
In the era of big data, signal processing faces significant challenges in terms of capacity and energy consumption due to the torrent of data to process. With over 90% of data transmitted through light, optical signal processing may offer unprecedent.....»»
Researchers shed new light on carboxysomes in key discovery that could boost photosynthesis
A research team led by the Hong Kong University of Science and Technology (HKUST) has discovered how carboxysomes—carbon-fixing structures found in some bacteria and algae—work. The breakthrough could help scientists redesign and repurpose the st.....»»
Rolling with the punches: How mantis shrimp defend against high-speed strikes
Mantis shrimp are small creatures known for their superlatives. Their eyes have 12 to 16 different color receptors versus our own three, and can detect the polarization of light. Their punches are famously fast, accelerating on par with a 22-caliber.....»»
Researchers harness blurred light to 3D-print high-quality optical components
Canadian researchers have developed a new 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The new method may make it easier and faster to design and fabricate a variety of optic.....»»
Photon Studio is a new pro tool to streamline image presentation and management
Developer LateNiteSoft launched its pro photography app for iPhone in 2023 called Photon Camera and has been upgrading it regularly. Now a new companion app has arrived for professionals who want a seamless solution for image display and management......»»
Webb presents best evidence to date for rocky exoplanet atmosphere
Researchers using NASA/ESA/CSA James Webb Space Telescope may have detected an atmosphere surrounding 55 Cancri e, a rocky exoplanet 41 light-years from Earth. This is the best evidence to date for a rocky planet atmosphere outside our solar system......»»
A nebula that extends its hand into space
The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an object known as "God's Hand" among the faithful. The rest of us call it CG 4......»»
Attackers may be using TunnelVision to snoop on users’ VPN traffic (CVE-2024-3661)
Researchers have brought to light a new attack method – dubbed TunnelVision and uniquely identified as CVE-2024-3661 – that can be used to intercept and snoop on VPN users’ traffic by attackers who are on the same local network. .....»»
Physicists reach atomic-scale telegraphy with light
In the 1880s Heinrich Hertz discovered that a spark jumping between two pieces of metal emits a flash of light—rapidly oscillating electromagnetic waves—which can be picked up by an antenna. To honor his groundbreaking work, the unit of frequency.....»»
Development of ultra-high-efficiency pure red light-emitting devices with enhanced color representation
DGIST Professor Jiwoong Yang's team in the Energy Science and Engineering Department has successfully manufactured high-performance, skin-attachable perovskite pure red light-emitting devices to create various forms of wearable displays......»»
Study sheds light on the origin of elasticity in glasses and gels
Glasses and gels are two different types of solid materials that are commonly used in a wide range of settings. Despite their markedly different compositions, these distinct materials share some similar properties, for instance, they exhibit rigidity.....»»
Another smart home company fails, underlines importance of HomeKit or Matter compatibility
Smart home company Brilliant has announced that it has run out of money, after failing to raise more capital in an attempted funding round. While its smart home controllers and light switches continue to work for now, there’s no guarantee that.....»»
Astronomers explore globular cluster NGC 2419
Using the Indian Astronomical Observatory (IAO) and ESA's Gaia satellite, astronomers have explored a galactic globular cluster known as NGC 2419. Results of the study, published April 29 on the preprint server arXiv, shed more light on the propertie.....»»
CJEU Gives File-Sharer Surveillance & Data Retention a Green Light
In a judgment published today, Europe's top court concludes that suspected file-sharers can be subjected to mass surveillance and retention of their data as long as certain standards are upheld. Digital rights groups hoped to end the French 'Hadopi'.....»»