Broadband low-loss all-optical phase modulator using gas-filled hollow-core fiber
Optical phase modulators are key components in optical communication, sensing, and signal processing systems. All-optical modulators, which modulate the phase or intensity of a light signal by a control light beam, have attracted much research intere.....»»
Metalenses harness AI for high-resolution, full-color imaging for compact optical systems
Modern imaging systems, such as those used in smartphones, virtual reality (VR), and augmented reality (AR) devices, are constantly evolving to become more compact, efficient, and high-performing. Traditional optical systems rely on bulky glass lense.....»»
Mechanical metamaterial enables long-distance component interaction for unique stretching properties
Metamaterials are artificial materials that do not occur in nature. Their components function like atoms in conventional materials but have special optical, electrical and magnetic properties. Interaction between the components is crucial to a metama.....»»
Opinon: Shell"s legal victory is disappointing—but this is not the end for corporate climate litigation
In the first ruling of its kind, the Dutch Hague District Court in 2021 ordered a fossil fuel company, Shell, to slash its emissions. This decision would have required the oil and gas giant to cut its emissions by 45% by 2030 (compared with 2019 leve.....»»
Ending NASA’s Chandra Will Cut Us Out of the High-Resolution X-Ray Universe
The Chandra X-ray Observatory is facing closure. Shutting it down would be a loss to science as a whole.....»»
Guest commentary: Every step counts to drive down greenhouse gas emissions with green materials
Manufacturers are under increasing pressure to incorporate novel, recyclable materials that produce fewer greenhouse gases. Many are turning to next-generation materials......»»
Shanghai, Tokyo, New York, Houston spew most greenhouse gas of world cities
Cities in Asia and the United States emit the most heat-trapping gas that feeds climate change, with Shanghai the most polluting, according to new data that combines observations and artificial intelligence......»»
Three innovative ways to help countries hit by climate disasters, beyond a loss and damage fund
These days, it's hard to escape news stories discussing how climate change is contributing to extreme weather disasters, including the recent U.S. hurricanes. Aid agencies are increasingly worried about the widespread damage......»»
Election Grief Is Real. Here’s How to Cope
Understanding the psychology of ambiguous loss can help people struggling with grief and depression in the wake of the 2024 election results.....»»
How Geometry Revealed Quantum Memory
The unexpected discovery of a geometric phase shows how math and physics are tightly intertwined.....»»
Trump Administration Likely to Repeal Methane Leak Penalty
A fee created to push oil and gas companies to plug methane leaks could be axed by the incoming Trump administration, hampering efforts to curb the potent greenhouse gas.....»»
How to Overcome Solastalgia, the Feeling of Profound Loss of Your Environment
Damage to your environment can bring a profound sense of loss; that feeling, called solastalgia, can also provide inspiration.....»»
Bigfoot, apple core emoji may land on iMessage in late 2025
The Unicode Consortium has issued its latest collection of emoji you could be using on an iPhone in late 2025, including a distorted face, a "fight cloud," and an apple core.Inbound emoji - Image credit: EmojipediaThe Unicode Consortium's Emoji Stand.....»»
Telescope for NASA"s Roman mission complete, delivered to Goddard
NASA's Nancy Grace Roman Space Telescope is one giant step closer to unlocking the mysteries of the universe. The mission has now received its final major delivery: the Optical Telescope Assembly, which includes a 7.9-foot (2.4-meter) primary mirror,.....»»
You probably haven’t heard of Meanwhile on Earth. It’s only 2024’s best sci-fi movie
In a year filled with great pictures like Dune: Part Two and Furiosa, the best sci-fi movie of 2024 might just be this little-seen film from France......»»
Swift Observatory studies a pair of gas-churning monster black holes
Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from a pair of monster black holes disrupting a cloud of gas in the center of a galaxy......»»
Astronomers defy the zone of avoidance to find hundreds of new galaxies
There is a region of the sky where astronomers fear to look. Filled with dark clouds of dust, it hides an unseen mass. A mass so large it is pulling the Milky Way and other galaxies toward it......»»
Scientists develop a phase-transformable membrane for efficient gas separation
Industrial gas separation, essential for clean energy and environmental protection, demands efficiency and adaptability. Current materials, however, lack the flexibility to selectively separate gases like carbon dioxide (CO2) and hydrogen (H2) while.....»»
New platinum-nickel core-shell catalyst shows stability for oxygen reduction reactions
Electrocatalysis is a key technology for sustainable energy, and understanding how catalysts work is crucial for improving their performance. One of the challenges in using platinum (Pt) as a catalyst for the oxygen reduction reaction (ORR) in fuel c.....»»
Apple"s M4 Max 14-inch MacBook Pro is on sale for $2,999 & in stock
This popular M4 Max configuration packs a 32-core GPU and 1TB storage, making it a well-equipped model that's $200 off and in stock now.Pick up this M4 Max MacBook Pro at a discount - Image credit: AppleTo grab the $200 discount, head over to Apple A.....»»
Amazon to phase out Freevee, but there’s still a way to watch for free
Amazon is phasing out Freevee, the ad-supported video streaming platform that launched in 2019 as IMDb Freedive before rebranding as Amazon Freevee in 2022......»»