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Optics & Photonics 22 hours ago

Ultracompact and high-efficiency liquid-crystal-on-silicon light engines for augmented reality glasses

Augmented reality (AR) and virtual reality (VR) are innovative display technologies with the ability to revolutionize the way we interact and experience the world.

Optics & Photonics 23 hours ago

When quantum dots meet blue phase liquid crystal elastomers

Circularly polarized luminescence (CPL) materials have attracted tremendous attention for their potential applications in many fields, such as molecular sensors, information encryption, and optical storage. So far, using ...

Environment 23 hours ago

Study shows forever chemicals are a threat to drinking water in rural, predominantly Latinx communities

Public water wells in communities of color might be disproportionately polluted by pesticides contaminated with harmful per and polyfluoroalkyl substances, according to a new study led by a team of researchers from UC Berkeley ...

Ecology Jun 14, 2024

Eggs of grapevine-gobbling insect discovered en route to California: Are vineyards at risk?

Eggs of the spotted lanternfly, an invasive species that's wreaked havoc on crops across more than a dozen states, were recently discovered on a metal art installation that was headed to Sonoma County, one of California's ...

Environment Jun 14, 2024

Stressed out: how to measure dangerous heat

In the hottest year on record, with scorching conditions claiming lives from India to Mexico and Greece sweltering in its earliest-ever heat wave, experts are sounding the alarm over heat stress.

Plants & Animals Jun 13, 2024

What could make a baby bison white?

Photos of a white bison calf in Yellowstone National Park have generated excitement as well as questions: How does that happen?

Plants & Animals Jun 13, 2024

Wild bumblebees are capable of logical reasoning, study finds

Wild bumblebees are capable of logical reasoning, new research by a University of Stirling psychologist has found. The pioneering study tasked bees with spontaneously finding corresponding sugar-coated strips of paper. The ...

Evolution Jun 13, 2024

Modern seeds aren't ready for climate change: Smallholder farmers may hold the key to future food security

Humans have radically altered the evolution of agricultural plants since World War Two, remaking our seed system with industrial agricultural practices to feed a growing population. Yet in the changing climate of decades ...

Environment Jun 13, 2024

Florida has a beach sand shortage: Could beer bottles be part of the solution?

Florida's coastal counties spend millions trucking in sand to preserve the eroding beachfront. But what if a cheaper possible solution could be found in the garbage and recycling bins of Miami bars?

Plants & Animals Jun 13, 2024

New way to spot beetle-killed spruce can help forest, wildfire managers

A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle-killed spruce trees in Alaska, even in forests of ...

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