News tagged with pulse trains


Physicist proposes to use femtosecond, chirped laser pulse trains to reduce decoherence

Physics / General Physics

created Nov 10, 2008 | popularity 4.1 / 5 (15) | comments 0

In a recent publication in the high impact journal Optics Letters, Svetlana Malinovskaya, Associate Professor of Physics at Stevens Institute of Technology, proposes to use femtosecond, chirped laser pulse trains to reduce ...





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Beaming in on Warm Dense Matter (w/ Video)

Physics / General Physics

created Dec 17, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- The Neutralized Drift Compression Experiment II (NDCX-II) now under construction at Berkeley Lab will deliver a high-current pulse of lithium ions to a foil target almost simultaneously, momentarily heating ...


Study shows loss of 15-42 percent of mammals in North America

Biology / Ecology

created Dec 17, 2009 | popularity 3 / 5 (8) | comments 5

If the planet is headed for another mass extinction like the previous five, each of which wiped out more than 75 percent of all species on the planet, then North American mammals are one-fifth to one-half the way there, according ...


Five tips for stress-free exams

Five tips for stress-free exams

Medicine & Health / Health

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- It's exam time, and for many students that means long days, late nights and lots of coffee. It's easy to let the anxiety get to you, so what can you do to cope with exam tension?


Caltech scientists film photons with electrons

Caltech scientists film photons with electrons

Physics / General Physics

created Dec 16, 2009 | popularity 4.9 / 5 (20) | comments 0

(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...


Black Holes in Star Clusters stir up Time and Space

Black Holes in Star Clusters stir up Time and Space (w/ Video)

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.7 / 5 (15) | comments 5

(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...


Sick of swine flu? Toxic algae could be the next big threat

Space & Earth / Environment

created Dec 15, 2009 | popularity 3 / 5 (2) | comments 1

With a new theory surfacing that toxic algae rather than asteroids killed the dinosaurs, scientists are still trying to unravel the mystery of what caused a massive algae bloom off the Northwest Coast that left thousands ...


For older adults, participating in social service activities can improve brain functions

Medicine & Health / Health

created Dec 15, 2009 | popularity not rated yet | comments 0

Volunteer service, such as tutoring children, can help older adults delay or reverse declining brain function, according to a study led by researchers at the Johns Hopkins Bloomberg School of Public Health. Using functional ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (21) | comments 5

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


FDA researchers identify new MRI safety risk for patients with pacemakers

Medicine & Health / Research

created Dec 15, 2009 | popularity 3.5 / 5 (2) | comments 0

FDA researchers have found that certain cardiac pacemakers may inadequately stimulate a patient's heart while undergoing a magnetic resonance imaging (MRI) scan due to the magnetic pulses mixing with the electronic pulses ...


Fossils on the Edge of Forever

Fossils on the Edge of Forever

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.9 / 5 (11) | comments 0

Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.



List of search results for pulse trains