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01/26/2009

About Caltech Astronomy

Lori Oliwenstein

As part of Caltech's Division of Physics, Mathematics and Astronomy, the astronomy department's primary mission is to perform cutting-edge research in astronomy and astrophysics while educating undergraduate and graduate students to become the scientific leaders of tomorrow.

12/16/2008

Caltech Researchers Interpret Asymmetry in Early Universe

elisabeth nadin

The Big Bang is widely considered to have obliterated any trace of what came before. Now, astrophysicists at the California Institute of Technology think that their new theoretical interpretation of an imprint from the earliest stages of the universe may also shed light on what came before.

12/08/2008

High Energy Physics Team Sets New Data-Transfer World Records

Jon Weiner

Building on seven years of record-breaking developments, an international team of physicists, computer scientists, and network engineers led by the California Institute of Technology (Caltech)--with partners from Michigan, Florida, Tennessee, Fermilab, Brookhaven, CERN, Brazil, Pakistan, Korea, and Estonia--set new records for sustained data transfer among storage systems during the SuperComputing 2008 (SC08) conference recently held in Austin, Texas. Caltech's exhibit at SC08 by the High Energy Physics (HEP) group and the Center for Advanced Computing Research (CACR) demonstrated new applications and systems for globally distributed data analysis for the Large Hadron Collider (LHC) at CERN, along with Caltech's global monitoring system MonALISA (http://monalisa.caltech.edu) and its collaboration system EVO (Enabling Virtual Organizations; http://evo.caltech.edu), together with near real-time simulations of earthquakes in the Southern California region, experiences in time-domain astronomy with Google Sky, and recent results in multiphysics multiscale modeling.?

11/20/2008

Caltech 4D Microscope Revolutionizes the Way We Look at the Nano World

Kathy Svitil

More than a century ago, the development of the earliest motion picture technology made what had been previously thought "magical" a reality: capturing and recreating the movement and dynamism of the world around us. A breakthrough technology has now accomplished a similar feat, but on an atomic scale--by allowing, for the first time, the real-time, real-space visualization of fleeting changes in the structure and shape of matter barely a billionth of a meter in size.

11/20/2008

Caltech's David Baltimore and Fiona Harrison Named among America's Best Leaders for 2008

Lori Oliwenstein

Two prominent researchers from the California Institute of Technology (Caltech) have been named among the country's 24 top leaders by U.S. News Media Group in association with the Center for Public Leadership (CPL) at Harvard Kennedy School.

11/10/2008

W.M. Keck Foundation Gift to Enable Caltech and JPL Scientists to Research the Universe's Violent Origin

Jon Weiner

The W.M. Keck Foundation has awarded $2.3 million to the California Institute of Technology (Caltech) to fund the Keck Array--a suite of three microwave polarimeters at the South Pole--and the corresponding research initiative, "Imaging the Beginning of Time: A Search for the Signature of Inflation in the Cosmic Microwave Background."

10/24/2008

"Einstein's Cosmic Messengers" Multimedia Concert Inspired by Quest for Gravitational Waves

Martin Voss

Join two world-renowned California Institute of Technology (Caltech) physicists and an award-winning composer for the world premiere of "Einstein's Cosmic Messengers," an inventive multimedia concert. Inspired by Caltech's involvement with the Laser Interferometer Gravitational-wave Observatory (LIGO), the presentation takes an innovative approach to communicating scientific exploration and discovery to the general public. The event takes place Thursday, October 30, at 8 p.m., in Beckman Auditorium on the Caltech campus.

10/08/2008

Keck Telescope and "Cosmic Lens" Resolve Nature and Fate of Early Star-Forming Galaxy

Kathy Svitil

Astronomers at the California Institute of Technology (Caltech) and their colleagues have provided unique insight into the nature of a young star-forming galaxy as it appeared only two billion years after the Big Bang and determined how the galaxy may eventually evolve to become a system like our own Milky Way.

09/30/2008

Caltech Scientists Find Cells Coordinate Gene Activity with FM Bursts

Kathy Svitil

How a cell achieves the coordinated control of a number of genes at the same time, a process that's necessary for it to regulate its own behavior and development, has long puzzled scientists. Michael Elowitz, an assistant professor of biology and applied physics at the California Institute of Technology (Caltech), along with Long Cai, a postdoctoral research scholar at Caltech, and graduate student Chiraj Dalal, have discovered a surprising answer. Just as human engineers control devices ranging from dimmer switches to retrorockets using pulsed--or frequency modulated (FM)--signals, cells tune the expression of groups of genes using discrete bursts of activation.

09/25/2008

Caltech Scientist Proposes Explanation for Puzzling Property of Night-Shining Clouds at the Edge of Space

Kathy Svitil

An explanation for a strange property of noctilucent clouds--thin, wispy clouds hovering at the edge of space at 85 km altitude--has been proposed by an experimental plasma physicist at the California Institute of Technology (Caltech), possibly laying to rest a decades-long mystery.

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