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
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 ...
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.
How the sun gets its spots
Sunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move.
Quantum or not? Mathematical equations resolve nanostructures behavior
Understanding the transport of electrons in nanostructures and biological molecules is crucial to understanding properties such as electrical conductivity or the biochemical behavior of molecules. However, ...
How Iapetus got its ridge
For centuries, people wondered how the leopard got its spots. The consensus is pretty solid that evolution played a major role.
New equation calculates cost of walking for first time
Why do tall people burn less energy per kilogram when walking than shorter ones do, and how much energy does walking require? These are basic questions that doctors, trainers, fitness buffs and weight-watchers would all like ...
Climate change may create tipping points for populations, not just species
(PhysOrg.com) -- As Earth's climate warms, species are expected to shift their geographical ranges away from the equator or to higher elevations.
Quarks 'swing' to the tones of random numbers
At the Large Hadron Collider at CERN protons crash into each other at incredibly high energies in order to 'smash' the protons and to study the elementary particles of nature - including quarks. Quarks are ...
Unraveling the Matrix
A new way of analyzing grids of numbers known as matrices could improve signal-processing applications and data-compression schemes.
Scots engineers prove space pioneer's 25-year-old theory
When American space pioneer, Dr Robert L Forward, proposed in 1984 a way of greatly improving satellite telecommunications using a new family of orbits, some claimed it was impossible.