A misalignment-tolerant multi-pass optical cavity boosts weak Raman signals, doubling path length and enabling stable, sensitive trace gas detection in air.
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Double-cycle circular cavity Raman system enables stable, high-sensitivity gas detection
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Is South Asia becoming inhospitable for migratory birds?
Every winter, millions of birds fly thousands of kilometers via the Central Asian Flyway (CAF) and East Asian-Australasian Flyway (EAAF), from the frozen expanses of Siberia and Central Asia to the warmer South Asia and beyond. The birds’…
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Air bubbles on plastics release microplastics into water
Invisible microbubbles forming on everyday plastics can peel off microscopic fragments, revealing a low-energy and widespread pathway for plastic pollution that operates wherever water meets plastic.
Study: Microbubble-induced…
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New CT imaging oral contrast agent improves visualization of bowel anatomy, clinical trial data show
In a new pilot feasibility study, researchers from Mayo Clinic, the University of Washington School of Medicine, the University of California San Francisco, and Nextrast Inc. found that a new imaging oral agent, also known as a “contrast agent,”…
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Spacecraft could make power from motion and dust in future: Study
A new study led by an international team of researchers has proposed Triboelectric Nanogenerators (TENGs) as a transformative solution for space exploration.
TENGs are lightweight generators that convert mechanical motion — such as…
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Laser speed in 3D printing tunes atomic structure of high-entropy alloys
Next-generation technology requires next-generation materials that can be tailored to exact mission requirements. Additive manufacturing, or 3D printing, has already revolutionized industries like aerospace engineering by enabling previously…
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Rare Florida scrub millipedes reproduce in captivity for the first time
Before scientists even knew how many Florida scrub millipedes were left in the wild, a quiet breakthrough happened in a University of South Florida lab. The rare, giant millipedes reproduced in captivity.
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Climate change fuels disasters, but deaths don't add up
Climate change is turbocharging heat waves, wildfires, floods and tropical storms, but how deadly have extreme weather events become for people in their path?
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Handy robot can crawl and pick up objects from multiple angles
Like something out of the Addams Family, scientists have created a detachable robotic hand that can crawl and grab objects. The design enables tasks such as retrieving objects beyond normal reach and performing multi-object handling, offering…
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‘Holy river’ carries industrial waste & sewage from Nepal to India
BIRGUNJ, Nepal — When 38-year-old Pradeep Kumar Bishwokarma was growing up in Ramgadhawa, a neighborhood in southern Nepal’s industrial town of Birgunj, he would jump into the Sirsiya River to beat the summer heat as his mother washed clothes…
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