Acoustic tweezers can position tiny objects
(PhysOrg.com) -- Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough ...
Low-Budget Fusion Reactor Could Generate Energy within a Decade
Acoustic levitation made simple
A team of researchers at the University of São Paulo in Brazil has developed a new levitation device that can hover a tiny object with more control than any instrument that has come before.
Scientists sweep cells apart for use in medical research
Scientists have developed a new method to separate cells, which could lead to more efficient medical research.
Comet landing named Physics World 2014 Breakthrough of the Year
The first ever landing of a man-made probe onto a comet has been named Physics World Breakthrough of the Year for 2014.
New technique allows ultrasound to penetrate bone, metal
Researchers from North Carolina State University have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these ...
Researchers use artificially engineered materials to create breakthrough for sound sensors
University of Maryland (UMD) A. James Clark School of Engineering researchers have developed breakthrough technology to improve sound sensor capabilities through the use of artificially engineered materials.
Tilted acoustic tweezers separate cells gently
Precise, gentle and efficient cell separation from a device the size of a cell phone may be possible thanks to tilt-angle standing surface acoustic waves, according to a team of engineers.
Bottling up sound waves
There's a new wave of sound on the horizon carrying with it a broad scope of tantalizing potential applications, including advanced ultrasonic imaging and therapy, acoustic cloaking, and levitation and particle ...
How do liquid foams block sound?
Liquid foams have a remarkable property: they completely block the transmission of sound over a wide range of frequencies. CNRS physicists working in collaboration with teams from Paris Diderot and Rennes ...
Scientists twist sound with metamaterials
A Chinese-U.S. research team is exploring the use of metamaterials—artificial materials engineered to have exotic properties not found in nature—to create devices that manipulate sound in versatile and ...
Authors explore security threat of covert acoustical mesh networks in air
Designing an acoustic diode
Most people know about ultrasound through its role in prenatal imaging: those grainy, grey outlines of junior constructed from reflected sound waves. A new technology called an "acoustic diode," envisioned ...
A unique glance into the Sun's atmosphere
Three months after the flight of the balloon-borne solar observatory Sunrise, scientists from the Max Planck Institute for Solar System Research (MPS) in Germany now present unique insights into the central ...