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01/23/2010

Caltech Mourns the Passing of Andrew Lange

Jon Weiner

Physicist Andrew Lange passes away at the age of 52.

01/13/2010

Caltech Astronomer Spots Second Smallest Exoplanet

Kathy Svitil

Astronomers from Caltech and other institutions, using the highly sensitive 10-meter Keck I telescope atop Hawaii's Mauna Kea, have detected an extrasolar planet with a mass just four times that of Earth. The planet, which orbits its parent star HD156668 about once every four days, is the second-smallest world among the more than 400 exoplanets (planets located outside our solar system) that have been found to date.

12/21/2009

Caltech Physicists Propose Quantum Entanglement for Motion of Microscopic Objects

Kathy Svitil

Researchers at the Caltech have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems. Their ideas, described in the early online issue of the Proceedings of the National Academy of Sciences, offer a new means of addressing one of the most fascinating issues in quantum mechanics: the nature of quantum superposition and entanglement in progressively larger and more complex systems.

12/17/2009

Caltech Scientists Discover Fog on Titan

Kathy Svitil

Saturn's largest moon, Titan, looks to be the only place in the solar system—aside from our home planet, Earth—with copious quantities of liquid (largely, liquid methane and ethane) sitting on its surface. According to Caltech planetary astronomer Mike Brown, Earth and Titan share yet another feature, which is inextricably linked with that surface liquid: common fog.

12/16/2009

Caltech Scientists Film Photons with Electrons

Kathy Svitil

Techniques recently invented by researchers at the California Institute of Technology (Caltech)—which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale matter—have been used to image the evanescent electrical fields produced by the interaction of electrons and photons, and to track changes in atomic-scale structures.

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.

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