NASA to choose between 2 Mars landing sites
NASA is deciding between two places on Mars to send its next rover.
Sounding rockets study how winds in space drive currents in the upper atmosphere
Some 50 miles up in the sky begins a dynamic region of the atmosphere known as the ionosphere. The region is filled with charged particles created by extreme ultraviolet radiation from the sun. At the base ...
Predicting random violence by mathematics
Math wars: Debate sparks anti-pi day
(PhysOrg.com) -- A controversial debate in the math world has led to celebrations today by opponents of the mathematical constant pi.
Genius of Einstein, Fourier key to new humanlike computer vision
(PhysOrg.com) -- Two new techniques for computer-vision technology mimic how humans perceive three-dimensional shapes by instantly recognizing objects no matter how they are twisted or bent, an advance that ...
How much do binary stars shape planetary nebulae?
Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...
Dawn spacecraft captures video of asteroid approach (w/ video)
(PhysOrg.com) -- Scientists working with NASA's Dawn spacecraft have created a new video showing the giant asteroid Vesta as the spacecraft approaches this unexplored world in the main asteroid belt.
Rogue wave recreated in laboratory tank
New study links ozone hole to climate change all the way to the equator
In a study to be published in the April 21st issue of Science magazine, researchers at Columbia University's School of Engineering and Applied Science report their findings that the ozone hole, which is located over the So ...
Zoom-up star photos poke holes in century-old astronomical theory
(PhysOrg.com) -- The hottest stars in the universe spin so fast that they get a bit squished at their poles and dimmer around their middle. The 90-year-old theory that predicts the extent of this "gravity ...
Huge ocean 'Frisbees' spin off Brazil's coast
As the North Brazil Current (NBC) moves northward along the northeastern coast of Brazil, it draws water from the South Equatorial Current and the freshwater outflow from the Amazon River, providing a source for warm, nutrient-rich ...
Could the combination of general relativity and quantum mechanics lead to spintronics?
Virtual laboratory predicts train vibrations
The construction of new rail lines, or the relocation of old ones underground, has increased society's interest over recent years in the vibrations produced by trains, especially among people who live or work ...
Researchers use cell 'profiling' to detect abnormalities -- including cancer
An Ohio State University mathematician and his colleagues are finding ways to tell the difference between healthy cells and abnormal cells, such as cancer cells, based on the way the cells look and move.