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Astronomers observe light bending around an isolated white dwarf

Astronomers have directly measured the mass of a dead star using an effect known as gravitational microlensing, first predicted by Albert Einstein in his General Theory of Relativity, and first observed by two Cambridge astronomers 100 years ago......»»

Category: topSource:  physorgFeb 2nd, 2023

Astronomers find Webb data conflict with reionization models

Reionization is a critical period when the first stars and galaxies changed the physical structure of their surroundings, and eventually the entire universe. Established theories state that this epoch ended around 1 billion years after the Big Bang......»»

Category: topSource:  informationweekRelated News8 hr. 58 min. ago

Jude Law battles white supremacists in the riveting trailer for The Order

In the trailer for The Order, Jude Law is an FBI agent asked to investigate a series of crimes that may have been committed by white separatists......»»

Category: topSource:  digitaltrendsRelated News11 hr. 59 min. ago

Novel visible light communication encryption technology uses chiral nanoparticles

A research team has developed a novel visible light communication encryption technology with high security using chiral nanoparticles......»»

Category: topSource:  physorgRelated News13 hr. 58 min. ago

World"s highest-voltage gun accelerates electrons from zero to 80% the speed of light

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have designed and tested the world's highest voltage polarized electron gun, a key piece of technology needed for building the world's first fully polarized Electron-I.....»»

Category: topSource:  physorgRelated News14 hr. 59 min. ago

Scientists explore whether smaller chromosomes lead to more segregation errors during egg cell division

Three RIKEN researchers have shed light on the cellular mechanisms underlying chromosomal abnormalities that can cause miscarriages and congenital disorders such as Down syndrome......»»

Category: topSource:  physorgRelated News14 hr. 59 min. ago

Jupiter"s Great Red Spot shows unexpected size changes

Astronomers have observed Jupiter's legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises—especially when NASA's Hubble Space Telescope takes a close-up look at it......»»

Category: topSource:  pcmagRelated NewsOct 9th, 2024

Astronomers race to capture image of exoplanet near star

Planet AF Lep b is a world of firsts. In 2023, it was the lowest-mass planet outside our solar system to be directly observed and have its mass measured using astrometry. This is a technique that charts the subtle movements of a host star over many y.....»»

Category: topSource:  pcmagRelated NewsOct 9th, 2024

Hybrid fiber pump combiner could advance mid-IR laser systems

In the last two decades, the rapid advancement in applications such as environmental monitoring, medical diagnostics, and global positioning has intensified the focus on developing novel mid-IR light sources. Fiber-based mid-IR lasers, which operate.....»»

Category: topSource:  pcmagRelated NewsOct 9th, 2024

Team discovers three new magnetic and helium-enriched hot subdwarf stars

An international team of astronomers reports the discovery of three new helium-enriched hot subdwarf stars with strong magnetic fields. The finding, made with the Southern African Large Telescope (SALT), is detailed in a research paper published Oct......»»

Category: topSource:  physorgRelated NewsOct 9th, 2024

Experimental archaeology sheds light on skill and technique in Bronze Age spear combat

How can we tell whether and how a prehistoric weapon was used? How can we better understand the dexterity and combat skills involved in Bronze Age spear fighting?.....»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

New seed fossil sheds light on wind dispersal in plants

Scientists have discovered one of the earliest examples of a winged seed, gaining insight into the origin and early evolution of wind dispersal strategies in plants......»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Mexican jumping beans jump to safety in a dynamic world—light could influence how moth larvae avoid extreme heat

What makes Mexican jumping beans jump? New research from Binghamton University reveals that Mexican jumping bean larvae respond to different colors of light, jumping more vigorously under different hues, which can help them avoid potentially dangerou.....»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Deadly human-wildlife conflict lies at center of Zimbabwe lake and an embattled economy, says author

A Griffith University researcher has shed light on the tragic and often overlooked human-wildlife conflicts surrounding a vast, picturesque lake that supports the livelihoods of villagers in a remote Zimbabwe region......»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Documenting the impact of a fungal outbreak on a forest over half a century

An entomologist and his ecologist daughter have outlined the dramatic changes that have occurred over the past half-century in the forests of White Oak Canyon in the Shenandoah National Park due to a canker fungus......»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Study finds early STEM success doesn"t boost college enrollment for Black, Latine students

Research studies have consistently identified early academic disparities as the greatest barrier to STEM representation for non-white students. To address the lack of racial and ethnic diversity in STEM, education policies have sought to improve math.....»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Anti-glitches detected in gamma-ray pulsar PSR J1522-5735

By analyzing the data from NASA's Fermi Gamma-ray Space Telescope, Russian astronomers have detected anti-glitches in a gamma-ray pulsar designated PSR J1522-5735. The discovery, published September 28 on the pre-print server arXiv, makes PSR J1522-5.....»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Q&A: How artificial lights are dimming firefly survival rates

While light bulbs make our nights brighter, they are dimming the social lives, and survival rates, of some of nature's natural light-makers: fireflies......»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Watch 902 Teslas perform a funky light show in Finland

More than 900 Tesla owners gathered together in Finland recently to entertain crowds with a dazzling, synchronized light show......»»

Category: topSource:  digitaltrendsRelated NewsOct 8th, 2024

Researchers uncover new plant perception mechanism for light and heat

Researchers at the University of Bayreuth and Heinrich Heine University Düsseldorf have described a previously unknown mechanism in the perception of light and heat in plants. The results contribute to a better understanding of plant physiological p.....»»

Category: topSource:  physorgRelated NewsOct 7th, 2024

New study eases concerns over possible "doomsday" asteroid swarm

Astronomers have good news about potentially hazardous asteroids lurking near our planet: There aren't as many as we thought......»»

Category: topSource:  physorgRelated NewsOct 7th, 2024