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Search results for wave engineering

Astronomy May 16, 2025

Not saying it's aliens: SETI survey reveals unexplained pulses from distant stars

More than 60 years ago, the Search for Extraterrestrial Intelligence (SETI) officially began with Project Ozma at the Greenbank Observatory in West Bank, Virginia. Led by famed astronomer Frank Drake (who coined the Drake ...

Planetary Sciences May 16, 2025

Laser ultrasound used to reveal the elasticity of space rock for the first time

Scientists and engineers at the University of Nottingham have measured the stiffness of space rock for the first time. Many meteorites are made of crystalline materials, formed under exotic conditions that cannot be replicated ...

Optics & Photonics May 14, 2025

Photonic chip design offers simpler solution for one-way light flow in optical circuits

To improve photonic and electronic circuitry used in semiconductor chips and fiber optic systems, researchers at the McKelvey School of Engineering at Washington University in St. Louis tinkered with the rules of physics ...

Social Sciences May 14, 2025

Lady Gaga bomb plot: Thwarted plan lifts veil on gamification of hate, gendered nature of online radicalization

The more than 2 million people who attended Lady Gaga's free concert on Copacabana Beach on May 3, 2025, had no idea of a plot that, if successful, would have turned the event into a tragedy fueled by hate. Just hours before ...

Ecology May 14, 2025

An ink that boosts coral settlement by 20 times could help rebuild reefs worldwide

With coral reefs in crisis due to climate change, scientists have engineered a bio-ink that could help promote coral larvae settlement and restore these underwater ecosystems before it's too late. In a paper published in ...

Astronomy May 13, 2025

S.Africa's vast radio telescope draws new generation to the cosmos

When Lungelo Zondi first learned about stars and galaxies at primary school in South Africa, she dreamed of having a live feed into the universe for uninterrupted space exploration.

Bio & Medicine May 8, 2025

In vivo 3D printing using sound holds promise for precise drug delivery, wound healing and more

Imagine that doctors could precisely print miniature capsules capable of delivering cells needed for tissue repair exactly where they are needed inside a beating heart.

Polymers May 8, 2025

Ultrasound unlocks a safer, greener way to make hydrogels

Researchers at McGill University, in collaboration with Polytechnique Montréal, pioneered a new way to create hydrogels using ultrasound, eliminating the need for toxic chemical initiators. This breakthrough offers a faster, ...

Condensed Matter May 7, 2025

Âé¶¹ÒùÔºicists discover an unusual chiral quantum state in a topological material

Chirality—the property of an object that is distinct from its mirror image—has long captivated scientists across biology, chemistry, and physics. The phenomenon is sometimes called "handedness," because it refers to an ...

Condensed Matter May 7, 2025

Tiny thermal sensor shows how molecules can mute heat like music

Imagine you are playing the guitar—each pluck of a string creates a sound wave that vibrates and interacts with other waves. Now shrink that idea down to a small single molecule, and instead of sound waves, picture vibrations ...

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