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jet in Biological News

Study compares sound from exploding volcanoes with jet engines

New research on infrasound from volcanic eruptions shows an unexpected connection with jet engines. Researchers at Scripps Institution of Oceanography at UC San Diego speeded up the recorded sounds from two volcanoes and uncovered a noise very similar to typical jet engines. These new research fin...

Green skies: Engineer's work may reduce jet travel's role in global warming

Princeton Professor of Mechanical and Aerospace Engineering Fred Dryer has a lofty goal: end the nation's reliance on oil for jet travel. With potentially major benefits for energy security and the environment riding upon his success, Dryer is advancing the fundamental knowledge of jet fuels w...

Travelers can avoid jet lag by resetting their body clocks

A simple, at-home treatment -- a single light box and the over-the-counter drug melatonin -- allows travelers to avoid jet lag by resetting their circadian body clock before crossing several time zones, according to new research being published in The Endocrine Society's Journal of Clinical Endocri...

New understanding of jet lag

A new study demonstrates that the brain's central timekeeper - the biological clock that regulates waking and sleeping cycles - has two parts that fall out of synchrony during light schedule shifts of six hours, the time it takes to fly across the Atlantic. The finding may explain, at least in pa...

AGU journal highlights -- Aug. 6, 2009

...Gross: Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, Michigan, USA; Michael J. Sander and Lyle Skjerve: jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA; Bruce Cantor: Malin Space Science Systems, Inc., San Diego, ...

Jet-propelled imaging for an ultrafast light source

...undreds of thousands of times a second. The sample jet is designed to shoot droplets right through a puls...cross. What Spence and his colleagues wanted was a jet of particles less than a micrometer in size. B... University, discovered that a smooth, cylindrical jet of liquid emerging from an orifice spontaneously b...

One sponge-like material, three different applications

... is also a widely used catalytic chemical process that removes sulfur from natural gas and refined petroleum products, such as gasoline and diesel and jet fuels. Without the process, which is highly optimized, we'd be burning sulfur, which contributes to acid rain. Scientists have tried to improve hyd...

GOCE's electric ion propulsion engine switched on

...e thruster must be just enough to compensate for the tiny amount of drag generated by the few wisps of atmosphere at GOCE's orbital height. No normal jet engine could do this, but GOCE's sophisticated electric ion propulsion system can. This cutting-edge system does not burn fuel like a regular rock...

New wheat disease could spread faster than expected

...athogens around the globe, Mundt said, most disease spread is still done by natural mechanisms once a disease is established, not people getting off a jet aircraft. ...

Engineer devises ways to improve gas mileage

... amount needed. "The most promising actuators are the so called synthetic jet or oscillatory jet actuators which are embedded in the surface of the body (an airplane wing f...

Rising sea levels set to have major impacts around the world

...ith the oceans, explains Eric Rignot, Professor of Earth System Science at the University of California Irvine and Senior Research Scientist at NASA's jet Propulsion Laboratory. "The numbers from the last IPCC are a lower bound because it was recognized at the time that there was a lot of uncertainty...

New rainforest mapping technology gets huge support

... Asia, Amazonia, the Caribbean, and the western Pacific. The Moore-supported High-Fidelity Imaging Spectrometer sub-component will be developed at the jet Propulsion Laboratory and integrated with the existing Carnegie LiDAR system to create the Airborne Taxonomic Mapping System, or AToMS. The existing i...

AGU journal highlights -- Dec. 31, 2008

...n Fishbaugh: Center for Earth and Planetary Studies, Smithsonian Air and Space Museum, Washington, D.C., U.S.A.; Nathan Bridges and Candice Hansen: jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A.; Ingrid Daubar and Alfred McEwen: HiRISE Operations Center,...

Researchers push nature beyond its limits to create higher-density biofuels

...point, we wanted to create larger, longer-chain molecules because they contain more energy. This is significant in the production of gasoline and even jet fuel." Though this new frontier of biofuels production from organisms has the potential to address significant issues in global warming, the sci...

Purdue study suggests warmer temperatures could lead to a boom in corn pests

...icult to manage," Krupke said. "It is resistant to several existing pesticides, and adult moths are capable of being transported long distances in the jet stream to infest new crops." Alexander said a reduction in corn yields could have substantial economic and social impacts, including higher food pr...

Melatonin may save eyesight in inflammatory disease

... The University of Buenos Aires and The National Research Council (CONICET) hypothesized that melatonin, which regulates sleep/wake cycles and reduces jet lag, may be able to prevent the ocular inflammation in uveitis. They found in an experimental model of uveitis that levels of two factors that contri...

Jupiter's shrinking red spot

...s in Airplanes 6) Pulsating Jets May Improve jet Engine Performance and Efficiency 7) Modelin...8/Event/90679 6) PULSATING JETS MAY IMPROVE jet ENGINE PERFORMANCE AND EFFICIENCY Actions simila...trol of rocket engines and cleaner, more efficient jet aircraft engines, UCLA scientists have discovered....

New deep-sea observatory goes live

...tructed through a collaborative effort by MBARI, Woods Hole Oceanographic Institution, the University of Washington Applied Physics Laboratory, NASA's jet Propulsion Laboratory, L-3 Communications MariPro, and Alcatel-Lucent. Each group was responsible for preparing a different part of the observatory. ...

AGU journal highlights: Nov. 11, 2008

... ice sheet from 1958 to 2007 Authors: E. Rignot: Department of Earth System Science, University of California, Irvine, California, U.S.A.; also at jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A.; J. E. Box: Byrd Polar Research Center, Ohio State University,...

New type of fuel found in Patagonia fungus

...-chain hydrocarbons found in the "Gliocladium roseum," he said. Longer hydrocarbon chains are common, but "that's not what you put in your gas tank or jet engine." Another promising aspect is that the fungus can grow in cellulose. "That's the most common organic molecule on earth," Scott Strobel ...

8 National Medals of Science awardees to be honored at gala, then the White House

...nications. Andrew Viterbi is a pioneer in the field of wireless communications. Viterbi was a member of the communications research section of the jet Propulsion Laboratory at CalTech where he was one of the first communication engineers to recognize the potential of digital transmission techniques f...

New process derives 'green gasoline' from plant sugars

...into molecules that can be efficiently "upgraded" into gasoline, diesel and jet fuel. "Domestically, there are large amounts of lignocellulose available...o ethanol, it may be better to convert these sugars to gasoline, diesel and jet fuels via this process. Sugars are an attractive basis for fuel becau...

Light receptors in eye play key role in setting biological clock, study shows

...e, heart rate and food intake. Besides sleep disorders, research in this field may eventually help treat the negative effects of shift work, aging and jet lag. About 20 to 25 percent of U.S. workers are shift workers, many of whom have difficulty sleeping during the day when they are not working, and ...

Bringing Martian samples to Earth -- preparations outlined in journal Astrobiology

...lection of papers that describe "Instruments for In Situ Exploration of Planets," compiled by Guest Editors Max Coleman and Frank Grunthaner, from the jet Propulsion Laboratory, California Institute of Technology, in Pasadena. "The papers in this collection complement each other to give a fairly comp...

AGU journal highlights -- August 6, 2008

...C. F. Wilson and F. W. Taylor: Atmospheric, Oceanic and Planetary Physics, Department of Physics, University of Oxford, Oxford, U.K.; K. H. Baines: jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A.; D. Luz: Laboratoire d'Etudes Spatiales et d'Instrumentatio...

Whales and dolphins influence new wind turbine design

... "In the case of the tails of dolphins, vortices are formed at the end of the up and down strokes. These vortices are involved in the production of a jet in the wake of the dolphin that produces high thrust. By regulating the production of the vortices, the dolphin can maximize its efficiency while swi...

Laser fluorescence could find life on Mars

...nments on Earth as below the ocean floor, in deserts and on dry mountaintops. Fisk and Storrie-Lombardi along with other scientists at OSU and the jet Propulsion Laboratory previously collaborated on a study that found bacteria 4,000 feet below the ocean surface in Hawaii that they reached by drilli...

NIST chemists get scoop on crude 'oil' from pig manure

...wo complementary neutron methods detected the heavy metals listed above. Bruno and colleagues currently spend much of their time analyzing military jet fuels and are not planning a major foray into pig manure. But Bruno concedes that the effort may have a payoff. "Who knows, it might help decrease the...

Sun to set on Ulysses solar mission on July 1

...up to its mythical namesake's reputation." "Ulysses has been a challenging mission since launch," said Ed Massey, Ulysses Project Manager at NASA's jet Propulsion Laboratory, California, USA. "Its success required the cooperation and the intellect of engineers and scientists from around the world. The...

Satellites illuminate pollution's influence on clouds

...satellites are taking first-of-a-kind measurements, shedding new light on the link between clouds, pollution and rainfall. Jonathan Jiang of NASA's jet Propulsion Laboratory, Pasadena, Calif., and colleagues used these A-Train sensors to find that South American clouds infused with airborne pollution ...

NASA presentations at American Geophysical Union Joint Assembly

...: A23A-07 In this session, scientists from NASA's jet Propulsion Laboratory, Langley Research Center and...Room 305 Session: A24A-02 Scientists from NASA's jet Propulsion Laboratory will discuss their study of ...Room 315 Session: U43B-07 Scientists from NASA's jet Propulsion Laboratory will discuss Earth's ever-mo...

New clues to how proteins dissolve and crystallize

...fused silica capillary shaped to a fine tip, a nozzle with an opening only a few micrometers (millionths of a meter) in diameter. The resulting liquid jet travels through a few centimeters of vacuum inside the beam chamber and is intersected by the synchrotron's x-ray beam, then collected by a cold skimm...

The bombardier beetle, power venom and spray technologies

...Biomimetics 3000 Ltd, in Aprils Physics World. The bombardier beetle, found mainly in Africa and Asia, is remarkable in that it can fire a powerful jet of hot, toxic fluid to fight off predators such as birds and frogs. While the chemical reaction that makes the venom has been understood for some tim...

USGS April 2008 science picks

...le times a year. Since the 19891990 eruption of Redoubt Volcano in Alaska and a near-disastrous encounter between a resulting volcanic ash cloud and a jet aircraft, the AVOs use of advanced technology to monitor volcanoes and issue timely warnings has helped to insure that no additional damaging encounte...

Brown hosts regional bioengineering conference

... MassachusettsDartmouth, on printing human organs. Science fiction? It may not be too far off. Thats because Calvert has succeeded in the ink jet printing of stem cells and proteins, the fundamental building blocks of organisms and the primary constituents of hair, tendons, muscle, skin, and car...

Scientists find that squid beak is both hard and soft, a material that engineers want to copy

...a Barbara. You wouldnt want to be diving next to one. A dozen of them could eat you, or really hurt you a lot. The creatures are very fast and swim by jet propulsion. Besides humans, squids main predator is the sperm whale, and these animals frequently show the scars of battle, with skin marred by th...

AGU Journal Highlights -- March 19, 2008

...e injection heights: Two perspectives from space Authors: Ralph A. Kahn: jet Propulsion Laboratory, California Institute of Technology, Pasadena, Califo...enter, Greenbelt, Maryland, U.S.A. Yang Chen, Qinbin Li; David J. Diner: jet Propulsion Laboratory, California Institute of Technology, Pasadena, Califo...

Unfavorable ocean conditions likely cause of low 2007 salmon returns along West Coast

...ed by winds that bring nutrients to the oceans surface and is the main source of nourishment for the oceans food web. In 2005 a southward shift in the jet stream, delayed favorable winds and upwelling for the California Current, which normally begins in spring. The winds instead arrived in mid-July, caus...

AGU journal highlights -- Feb. 26, 2008

...tle: Summer sea ice motion from the 18 GHz channel of AMSR-E and the exchange of sea ice between the Pacific and Atlantic sectors Author: Ron Kwok: jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, U.S.A. Source: Geophysical Research Letters (GRL) paper 10.1029/20...

Birds, bats and insects hold secrets for aerospace engineers

...gineers are studying these animals as a step toward designing flapping-wing planes with wingspans smaller than a deck of playing cards. A Blackbird jet flying nearly 2,000 miles per hour covers 32 body lengths per second. But a common pigeon flying at 50 miles per hour covers 75. The roll rate of t...
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