Frontpage » Search » gravity

Search results for gravity

Refine search:    headlines only

The anatomy of a stellar outflow

(Phys.org) -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other ...

Space & Earth / Astronomy

created 11 hours ago | popularity 5 / 5 (8) | comments 2 | with audio podcast

Medical treatments from 200 miles up

In the hunt for cancer treatments, researchers have had some help from higher authorities -- way higher. The International Space Station, orbiting the Earth at more than 200 miles in the sky, houses scientific ...

Space & Earth / Space Exploration

created 11 hours ago | popularity not rated yet | comments 0

Groundwater depletion in semiarid regions of Texas and California threatens US food security

The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.

Space & Earth / Environment

created 5 hours ago | popularity 4.8 / 5 (4) | comments 3 | with audio podcast

Asteroid nudged by sunlight: Most precise measurement of Yarkovsky effect

Scientists on NASA's asteroid sample return mission, Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx), have measured the orbit of their destination asteroid, ...

Space & Earth / Space Exploration

created May 24, 2012 | popularity 4.9 / 5 (8) | comments 1 | with audio podcast

Cassini reveals details about charged 'nanograins' near Enceladus

(Phys.org) -- It was a call that Rice University physicist Tom Hill had waited more than 20 years to receive. It traveled almost a billion miles to reach him. And the message — once it arrived from NASA’s ...

Space & Earth / Space Exploration

created May 23, 2012 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Study shows how to keep a Mars tumbleweed rover moving on rocky terrain

New research from North Carolina State University shows that a wind-driven "tumbleweed" Mars rover would be capable of moving across rocky Martian terrain – findings that could also help the National ...

Space & Earth / Space Exploration

created May 23, 2012 | popularity 3.3 / 5 (7) | comments 11 | with audio podcast

Penn astrophysicists zero in on gravity theory

(Phys.org) -- Most people take gravity for granted. But for University of Pennsylvania astrophysicist Bhuvnesh Jain, the nature of gravity is the question of a lifetime. As scientists have been able to see ...

Space & Earth / Astronomy

created May 11, 2012 | popularity 4.4 / 5 (39) | comments 255 | with audio podcast

Hubble spies edge-on beauty

(Phys.org) -- Visible in the constellation of Andromeda, NGC 891 is located approximately 30 million light-years away from Earth. The NASA/ESA Hubble Space Telescope turned its powerful wide field Advanced ...

Space & Earth / Astronomy

created May 21, 2012 | popularity 3.4 / 5 (5) | comments 16 | with audio podcast

Researchers reveal unseen planet by its gravity

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 4.9 / 5 (14) | comments 0 | with audio podcast

VISTA views a vast ball of stars

(Phys.org) -- A new image of Messier 55 from ESO's VISTA infrared survey telescope shows tens of thousands of stars crowded together like a swarm of bees. Besides being packed into a relatively small space, ...

Space & Earth / Astronomy

created May 09, 2012 | popularity 3.7 / 5 (6) | comments 15 | with audio podcast

Dancing droplets rock out on space station

Expedition 31 Flight Engineer Don Pettit of NASA has taught more than half a million internet viewers how microgravity affects scientific principles by using everyday objects on the International Space Station. In the latest ...

Space & Earth / Space Exploration

created May 07, 2012 | popularity not rated yet | comments 0

Prof explores universe through gravity lens studies

(Phys.org) -- The National Science Foundation recently awarded Dr. Mustapha Ishak-Boushaki, associate professor of physics at UT Dallas, a $222,000 research grant for his investigations of the gravitational lensing technique ...

Space & Earth / Astronomy

created Apr 30, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Scotland passes turbine test to harness tidal power

(Phys.org) -- An underwater turbine being used for harnessing tidal power to generate electricity for homes and businesses has successfully completed its testing period in the island of Eday, one of Orkney’s ...

Technology / Energy & Green Tech

created May 20, 2012 | popularity 4.6 / 5 (18) | comments 41 | with audio podcast report

Wrinkle-traveling Clothbot makes its IEEE debut (w/ Video)

(Phys.org) -- As any gathering of scientists working with robots will suggest, attempts toward perfecting techniques and outcomes of grasping and maneuvering are key issues for researchers working on climbing robots. At ...

Electronics / Robotics

created May 19, 2012 | popularity 3.5 / 5 (4) | comments 2 | with audio podcast weblog

America expands once again -- digitally, this time

(AP) -- The metaphor is an easy one, overused and perhaps even a bit overwrought. We are forging forward into a digital frontier, leaving convention behind, traveling without guides into an uncharted virtual ...

Technology / Other

created May 19, 2012 | popularity 3.7 / 5 (6) | comments 1