Polarization: From better sunglasses to a better way of looking at asteroid surfaces
Using the same principles that make polarized sunglasses possible, a team of researchers at the Arecibo Observatory in Puerto Rico have developed a technique that will help better defend against asteroids on a collision course with Earth......»»
Strategy enhances breakdown strength and polarization in dielectric nanocomposites
Electrostatic capacitors are a key component in high-power pulse equipment, power transmission and transformation engineering, new energy vehicles, and 5G communication. Their capability for ultrafast charging-discharging and ultrahigh power density.....»»
Bennu asteroid samples unveiled
In a discreet vacuumed-packed container inside a FedEx box lies a piece of ancient history; extremely ancient history......»»
Superlubricity study shows a frictionless state can be achieved at macroscale
The president of SUNY Polytechnic Institute (SUNY Poly), Dr. Winston "Wole" Soboyejo, and postdoctoral researcher Dr. Tabiri Kwayie Asumadu have published a paper titled, "Robust Macroscale Superlubricity on Carbon-Coated Metallic Surfaces." This pap.....»»
NASA imagines a catastrophic asteroid impact to study how to prevent it
The Netflix movie "Don't Look Up" received plenty of accolades for its scarily realistic portrayal of a professor from Michigan State University attempting to warn the world about a civilization-ending asteroid impact......»»
As ocean surfaces acidify, a deep-sea acidic zone is expanding, and marine habitats are being squeezed
In the deepest parts of the ocean, below 4,000 meters, the combination of high pressure and low temperature creates conditions that dissolve calcium carbonate, the material marine animals use to make their shells......»»
Swarms of orbiting sensors could map an asteroid"s surface
It seems like every month a new story appears announcing the discovery of thousands of new asteroids. Tracking these small body objects from ground and even space-based telescopes helps follow their overall trajectory. But understanding what they're.....»»
Motivated to disagree: What can be learned about rapid polarization from the Israeli judicial reform?
A recent study, conducted in the midst of last year's widespread protests in Israel, has uncovered extreme polarization in public opinion regarding the judicial reform introduced by Prime Minister Benjamin Netanyahu's government......»»
Mapping the surfaces of MXenes, atom by atom, reveals new potential for the 2D materials
In the decade since their discovery at Drexel University, the family of two-dimensional materials called MXenes has shown a great deal of promise for applications ranging from water desalination and energy storage to electromagnetic shielding and tel.....»»
NASA"s planetary radar tracks two large asteroid close approaches
The Deep Space Network's Goldstone planetary radar had a busy few days observing asteroids 2024 MK and 2011 UL21 as they safely passed Earth......»»
Cryovolcanism: Why study it? What can it teach us about finding life beyond Earth?
Universe Today has had the privilege of spending the last several months venturing into a multitude of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, plane.....»»
Virtual flying lessons for Hera asteroid mission
As ESA's Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space......»»
Adaptive Shield unveils platform enhancements to improve SaaS security
To secure emerging SaaS attack surfaces, Adaptive Shield has extended the capabilities of its SaaS Security Posture Management (SSPM) unified platform to cover complex Permissions and Shared Data. “SaaS security impacts the entire organization, aff.....»»
‘Self-Cleaning’ Paint Could Break Down Pollutants on Surfaces and from the Air
Recycled materials contribute to a potential pollutant-neutralizing paint.....»»
Why the Psyche spacecraft’s futuristic electric thrusters glow blue
NASA's Psyche mission is on its way to visit a metal asteroid between Mars and Jupiter, and it recently kicked on its new blue-glowing electric thrusters......»»
Twist-angle in moiré lattice controls valley polarization switching in heterostructures
In a study published in Science Advances, Prof. Wang Can from the Institute of Physics of the Chinese Academy of Sciences and Prof. Xu Xiulai of Peking University have demonstrated for the first time the dependence of valley polarization switching an.....»»
These smartphone sunglasses are one of the most ridiculous things I’ve ever seen
Smart glasses aren't a new idea, but what if your sunglasses were smartphone-shaped instead? HMD decided to find out......»»
Exploring the depths: How iron snow could unlock the secrets of life on Europa
Ever since the tantalizing discovery of icy ocean worlds within our own solar system, such as Europa and Enceladus, scientists have been captivated by the possibility of life lurking beneath their frozen surfaces......»»
Expanding on the fundamental principles of liquid movement
From the rain drops rolling down your window, to the fluid running through a COVID rapid test, we cannot go a day without observing the world of fluid dynamics. Naturally, how liquids traverse across, and through, surfaces is a heavily researched sub.....»»
How the perils of space have affected asteroid Ryugu
Ryugu's parent body appears to have had a fair amount of water present, too. Enlarge / The surface of Ryugu. Image credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Te.....»»
Smashing into an asteroid shows researchers how to better protect Earth
Slowing down an asteroid by just one-tenth of a second makes all the difference. Enlarge / Riding atop a SpaceX Falcon 9 rocket, NASA’s Double Asteroid Redirection Test, or DART, spacecraft sets off to collide with an asteroid.....»»