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Astronomy 33 minutes ago

The universe's biggest explosions made elements we are composed of, but there's another mystery source out there

After its "birth" in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the ...

General Physics 22 hours ago

New photonic crystal approach can enable sensitive and affordable detection of biomarkers

Biomarkers are small molecules of interest to researchers, because they can indicate underlying diseases, often even before symptoms even appear. However, detecting these markers can be challenging as they are often present ...

Nanomaterials May 31, 2024

A review of progress and outlook for photodetectors based on graphene–semiconductor hybrid structures

A recent review summarizes the progress made in graphene-semiconductor hybrid photodetectors over the past decade. It begins by introducing key photodetector performance indicators, providing the basis for an accurate performance ...

Optics & Photonics May 31, 2024

New imager acquires amplitude and phase information without digital processing

Researchers at the University of California, Los Angeles (UCLA) have achieved a significant milestone in optical imaging technology. A new all-optical complex field imager has been developed, capable of capturing both amplitude ...

Earth Sciences May 31, 2024

TEMPO instrument air quality data now publicly available

Air pollution data on a neighborhood scale are now available in near real-time from the TEMPO instrument (Tropospheric Emissions: Monitoring of Pollution). The mission gathers hourly daytime scans of the atmosphere over North ...

Environment May 31, 2024

Can satellites combat wildfires? Inside the booming 'space race' to fight the flames

As the threat of wildfire worsens in California and across the world, a growing number of federal agencies, nonprofit organizations and tech companies are racing to deploy new technology that will help combat flames from ...

Astronomy May 31, 2024

X-ray binary Swift J1727.8-1613 has a large relativistic jet, observations show

Using the Very Long Baseline Array (VLBA) and the Long Baseline Array (LBA), astronomers have observed a black hole low-mass X-ray binary known as Swift J1727.8-1613. As a result, they found that the system hosts a highly ...

Astronomy May 30, 2024

Black Holes: Why study them? What makes them so fascinating?

Over the last few months, Universe Today has explored a plethora of scientific fields, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, planetary geophysics, ...

Agriculture May 30, 2024

Clues from bird flu's ground zero on dairy farms in the Texas panhandle

In early February, dairy farmers in the Texas Panhandle began to notice sick cattle. The buzz soon reached Darren Turley, executive director of the Texas Association of Dairymen: "They said there is something moving from ...

Ecology May 29, 2024

Antibiotic pollution disrupts the gut microbiome and blocks memory in aquatic snails, study finds

Antibiotics prevent snails from forming new memories by disrupting their gut microbiome—the community of beneficial bacteria found in their guts.

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