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Search results for micromachines

Astronomy Mar 18, 2014

Building BICEP2: A conversation with Jamie Bock

Caltech Professor of Physics Jamie Bock and his collaborators announced on March 17, 2014 that they have successfully measured a B-mode polarization signal in the cosmic microwave background (CMB) using the BICEP2 telescope ...

Materials Science Feb 21, 2014

3D construction: Microparticles made of three chemically independent patches

(Phys.org) —Micromachines, nanorobots, multifunctional drug transporters, and matrices for tissue growth – these and many other applications would benefit from three-dimensional microstructures that present different (bio)chemical ...

Engineering Feb 18, 2014

Single chip device to provide real-time 3-D images from inside the heart, blood vessels

Researchers have developed the technology for a catheter-based device that would provide forward-looking, real-time, three-dimensional imaging from inside the heart, coronary arteries and peripheral blood vessels. With its ...

Engineering Dec 4, 2013

New chip provides better bioimaging performance

A microelectromechanical system developed in Singapore provides the 360-degree view that is critical in diagnostic imaging.

General Physics Nov 22, 2013

New vacuum power amplifier demonstrated at 0.85 Terahertz

The submillimeter wave, or terahertz, part of the electromagnetic spectrum falls between the frequencies of 0.3 and 3 terahertz, between microwaves and infrared light. Historically, device physics has prevented traditional ...

Electronics & Semiconductors Nov 20, 2013

Monolithic ultrasonic integrated circuits

Ultrasonography based on traditional bulk piezoelectric transducers has been established as an inexpensive and safe medical imaging modality. By borrowing techniques from the microelectronics industry, the performance of ...

Optics & Photonics Nov 12, 2013

Scientists create light bullets for high-intensity optical applications

(Phys.org) —Controlling the propagation of high-intensity light beams as they travel through air (or other transparent media) is a challenging task, but scientists have now shown that a relatively new type of light beam called ...

General Physics Oct 15, 2013

Newly discovered mechanism propels micromotors

Scientists studying the behavior of platinum particles immersed in hydrogen peroxide may have discovered a new way to propel microscopic machines. The new mechanism is described in The Journal of Chemical Physics.

Analytical Chemistry Jun 19, 2013

New microfluidic chip can help identify unwanted particles in water and food

A new process for making a three-dimensional microstructure that can be used in the analysis of cells could prove useful in counterterrorism measures and in water and food safety concerns.

Engineering Jun 5, 2013

Mighty micropumps: Small but powerful vacuum pumps demonstrated

DARPA-funded researchers recently demonstrated the world's smallest vacuum pumps. This breakthrough technology may create new national security applications for electronics and sensors that require a vacuum: highly sensitive ...

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