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Category: physics

Imaging Uncovers Hidden Structures in Exploding Stars

“Novae are more than fireworks in our galaxy — they are laboratories for extreme physics,” said Dr. Laura Chomiuk.

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to address as an international team of researchers investigated the mechanisms behind the thermonuclear eruptions that supernovae cause. This study has the potential to help scientists better understand supernovae, as they are hypothesized to be responsible for spreading the chemical elements and molecules needed for life throughout the universe.

For the study, the researchers used the Georgia State University CHARA Array to observe exploding supernovae from two separate white dwarfs: nova V1674 Her and nova V1405 Cas, which are located approximately 16,200 and 5,500 light-years from Earth, and were observed days 2 & 3 and days 53, 55, & 67 after first light of eruption, also known as t0, respectively. For nova V1674 Her, the researchers observed outflows during days 2 & 3, while they observed this same behavior for nova V1405 Cas during days 53, 55, & 67. The researchers note these contrasting observations challenge longstanding hypotheses regarding supernovae behavior during their eruption periods.

A new nuclear ‘island’ where magic numbers break down

For decades, nuclear physicists believed that “Islands of Inversion”—regions where the normal rules of nuclear structure suddenly break down—were found mostly in neutron-rich isotopes. In these unusual pockets of the nuclear chart, magic numbers disappear, spherical shapes collapse, and nuclei unexpectedly transform into strongly deformed objects. So far, all such islands have been exotic nuclei such as beryllium-12 (N = 8), magnesium-32 (N = 20), and chromium-64 (N = 40), all of which are far away from the stable nuclei found in nature.

Scientists Unveil the Most Realistic Black Hole Accretion Model Ever Created

Using cutting-edge algorithms and exascale supercomputers, researchers have created the most realistic simulations yet of matter flowing into black holes. Building on decades of research, a group of computational astrophysicists has reached an important breakthrough: they have created the most de

BOMBSHELL Anti-Gravity Documents Prove Classified Research Continued!

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Electric Propulsion Study https://apps.dtic.mil/sti/tr/pdf/ADA227121.pdf

This Electric Propulsion Study confirms the controversial Biefield-Brown Effect was taken extremely seriously by the US Aerospace/Defense sectors as a highly feasible method for exotic, next generation propulsion systems that utilise field propulsion through electromagnetic-gravitational wave coupling. This document was prepared by Science Applications International Corporation (SAIC) for the Astronautics Laboratory (AFSC) Air Force Space Technology Center, Space Systems Division, Air Force Systems Command.

Read the full PDF here.
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Chameleon-like nanomaterial can adapt its color to mechanical strain

Inspired by the Japanese art of kirigami, a team of scientists from the University of Amsterdam have developed a material that can reflect different colors of light, depending on how it is stretched. The results were recently published in the journal ACS Photonics.

Similar to its perhaps better-known cousin origami—the Japanese art of folding paper—kirigami is an art form in which paper is both folded and cut. The jaw-dropping three-dimensional designs that kirigami artists create, inspired a team of physicists from the University of Amsterdam to design an equally spectacular type of material: one that smoothly changes its color when it is stretched.

What Time Is It on Mars? Physicists Finally Have an Exact Answer

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital influences, scientists have uncovered variations in the pace of Martian time that could become crucial for future navigation and communication far from home.

NIST physicists have precisely calculated how Martian time subtly speeds up and slows down, revealing a daily drift that changes with the planet’s shifting orbit.

Ask someone on Earth for the time and you will get an exact answer, largely because our planet relies on a sophisticated network of atomic clocks, GPS satellites, and rapid communication systems.

Astrophysicists test a new piece of the sky to probe dark matter and dark energy

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy. Exactly what these dark components are remains a mystery, but they have a tremendous impact on our universe, with dark matter exerting a gravitational pull and dark energy driving the universe’s accelerating expansion.

What scientists know about dark matter and dark energy comes from observing their effects on the visible universe. Astrophysicists from the University of Chicago have measured those effects on a new patch of sky to illuminate the invisible cosmos.

Lightning channels reveal hidden bursts: Lateral negative re-discharges observed for first time

A new study led by researchers from the Institute of Atmospheric Physics of the Chinese Academy of Sciences (CAS) has uncovered the first observational evidence of lateral negative re-discharges occurring on negative leader channels. Published recently in Geophysical Research Letters, the findings offer new insights into how lightning channels remain electrically active and how their structures evolve before and after a return stroke.

Prior to this research, negative-polarity lateral breakdowns had only been observed near the tips of positive leaders—never documented along negative leader channels.

Scientists develop a glasses-free 3D system with a little help from AI

Watching 3D movies and TV shows is a fun and exciting experience, where images leap out of the screen. To get this effect, you usually have to wear a special pair of glasses. But that could soon be a thing of the past as scientists have developed a new display system that delivers a realistic 3D experience without the need for any eyewear.

The main reason why we’ve waited so long for a screen like this is a tough physics rule called the Space-Bandwidth Product (SBP). To get a perfect 3D image, you need a big screen (the “space”) and a wide viewing area (the “bandwidth”) so the picture looks good even when you turn your head. Unfortunately, according to the rule, you can’t have both at the same time. If you make the screen big, the viewing angle shrinks. If you increase the viewing area, the TV must get smaller. All previous attempts to break this trade-off have failed. But not this time.

Frequent flares from TRAPPIST-1 could impact habitability of nearby planets

Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation Aquarius about 40 light-years from Earth, spits out bursts of energy known as “flares” about six times a day.

New research led by the University of Colorado Boulder takes the deepest look yet at the physics behind TRAPPIST-1’s celestial temper tantrums. The team’s findings could help scientists search for habitable planets beyond Earth’s solar system.

The researchers used observations from NASA’s James Webb Space Telescope and computer simulations (models) to understand how TRAPPIST-1 produces its flares—first building up magnetic energy, then releasing it to kick off a chain of events that launches radiation deep into space. The results could help scientists unravel how the star has shaped its nearby planets, potentially in drastic ways.

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