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12/05/2009

High Energy Physicists Set New Record for Network Data Transfer

Jon Weiner

An international team of high-energy physicists, computer scientists, and network engineers led by the California Institute of Technology (Caltech) joined forces to capture the Bandwidth Challenge award for massive data transfers during the SuperComputing 2009 (SC09) conference held in Portland, Oregon.

11/19/2009

F. Brock Fuller, 82

Jon Weiner

F. Brock Fuller, emeritus professor of mathematics at the California Institute of Technology (Caltech), died on November 6 at the Rafael Convalescent Hospital in San Rafael, California, four years after being diagnosed with diffuse Lewy body disease. He was 82.

11/09/2009

Caltech Scientists Develop DNA Origami Nanoscale Breadboards for Carbon Nanotube Circuits

Kathy Svitil

In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology (Caltech) has combined DNA's talent for self-assembly with the remarkable electronic properties of carbon nanotubes, thereby suggesting a solution to the long-standing problem of organizing carbon nanotubes into nanoscale electronic circuits.

Assembling switches of carbon nanotubes controlled by DNA

10/23/2009

Caltech Scientists First to Trap Light and Sound Vibrations Together in Nanocrystal

Lori Oliwenstein

Researchers at the California Institute of Technology (Caltech) have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the same tiny space. "This is a whole new concept," notes Oskar Painter, associate professor of applied physics at Caltech. Painter is the principal investigator on the paper describing the work, which was published in the online edition of the journal Nature.

10/22/2009

Caltech Scientists Solve Decade-Long Mystery of Nanopillar Formations

Kathy Svitil

Caltech scientists have uncovered the physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision, in potentially limitless patterns. This nanofluidic process—described in a recent article in Physical Review Letters—could someday replace the conventional lithographic patterning techniques now used to build 3-D nano- and microscale structures for use in optical, photonic, and biofluidic devices.

08/19/2009

LIGO Listens for Gravitational Echoes of the Birth of the Universe

Kathy Svitil

An investigation by the LIGO Scientific Collaboration and the Virgo Collaboration has significantly advanced our understanding of the early evolution of the universe. Analysis of data taken from 2005 to 2007 sets the most stringent limits yet on the amount of gravitational waves that could have come from the Big Bang in the gravitational wave frequency band where LIGO can observe. The results put new constraints on the details of how the universe looked in its earliest moments.

08/17/2009

Caltech and IBM Scientists Use Self-Assembled DNA Scaffolding to Build Tiny Circuit Boards

Kathy Svitil

Scientists at the Caltech and IBM's Almaden Research Center have developed a new technique to orient and position self-assembled DNA shapes and patterns--or "DNA origami"--on surfaces that are compatible with today's semiconductor manufacturing equipment. These precisely positioned DNA nanostructures, each no more than one one-thousandth the width of a human hair, can serve as scaffolds or miniature circuit boards for the precise assembly of computer-chip components.

07/21/2009

Caltech Physicists Create First Nanoscale Mass Spectrometer

Kathy Svitil

Using devices millionths of a meter in size, physicists at the California Institute of Technology (Caltech) have developed a technique to determine the mass of a single molecule, in real time.

06/19/2009

Mechanics: Nano Meets Quantum

Kathy Svitil

Physicists at Caltech have developed a new tool that can be used to search for quantum effects in an ordinary object.

06/15/2009

Caltech Scientists Use High-Pressure "Alchemy" to Create Nonexpanding Metals

Kathy Svitil

By squeezing a typical metal alloy at pressures hundreds of thousands of times greater than normal atmospheric pressure, scientists at the California Institute of Technology (Caltech) have created a material that does not expand when heated, as does nearly every normal metal, and acts like a metal with an entirely different chemical composition.

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