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Illusion of Gravity
The force of gravity and one of the dimensions of space might be generated out of the peculiar interactions of particles and fields existing in a lower-dimensional realm.
emerge from within Earth (audio tape, Hugh Ross)
See also T. Araki et al., "Experimental Investigation of Geologically Produced Antineutrinos with KamLAND," Nature436 (2005): 499-503.
A future generation of microchips might not need transistors but would instead use crisscrossing wires only a few atoms thick.
Successful calculations about black holes and forces have given stunning indications that our present approach to the theory of everything is the right one, explains Lisa Randall.
Catalyst Produces Hydrogen from Water
The promise of a hydrogen economy, which would lessen dependence on nonrenewable energy sources such as fossil fuels, hinges on the ability to produce and store large amounts of the clean-burning element. New results from experiments on a novel catalyst suggest that it can be used to coax hydrogen from water without the need for severe reaction conditions.
The Birth And Death Of Exotic Molecules
Researchers from Korea, Italy, France and the ESRF have just observed how a molecule changes structure after being hit with a short flash of laser light. Thanks to very intense pulses of X-rays.
a cosmic string or are we seeing double?
The case for the existence of cosmic strings has just been boosted - the threads of energy could be the first sign of extra dimensions in the universe.
doughnut promises time machine
Movement into the past gets one step less improbable.
energy: Just around the corner
For 50 years, physicists have been promising that power from nuclear fusion is imminent. Now they are poised to build an experiment that could vindicate their views. But will the machine work? Geoff Brumfiel investigates.
Mysteries of Mass
Physicists hunt for a field that permeates reality and lends mass to particles.
Texas A&M Scientists Develop New Laser (May 31, 2005)
Engineers and applied physicists have laid the foundations for a new type of "plug and play" laser -- the Raman injection laser -- and in the process, several key innovations.
Simulator Packs Teaching Power Of Electron Microscope At The Expense Of
Kids have always had a fascination with the other-worldly images produced by a scanning electron microscope (SEM): ants sitting on microchip picnic tables, salt crystals in gritty detail, the scales of a butterfly wing. Now, a team of researchers and educators has created a CD-ROM and Web-based software to generate some of the capabilities--and teaching potential--of an SEM using personal computers in a classroom.
Ever since physicists invented particle accelerators, nearly 80 years ago, they have used them for such exotic tasks as splitting atoms, transmuting elements, producing antimatter and creating particles not previously observed in nature. With luck, though, they could soon undertake a challenge that will make those achievements seem almost pedestrian. Accelerators may produce the most profoundly mysterious objects in the universe: black holes.
holes 'do not exist'
These mysterious objects are dark-energy stars, physicist claims.
Superconductivity Is Warming Up
Magnesium diboride is not merely an unexpectedly good superconductor. Properly prepared, it outperforms the materials that are currently industrial favorites.
Picking On Einstein
Huntsville AL (SPX) Mar 29, 2005
This year marks the 100th anniversary of a revolution in our notions of space and time. Before 1905, when Albert Einstein published his theory of special relativity, most people believed that space and time were as Sir Isaac Newton described them back in the 17th century.
LISA And The
Search For Elusive Gravity Waves Birmingham, UK (SPX) Apr 05, 2005
For almost 100 years, scientists have been searching for direct evidence of the existence of gravity waves - faint ripples in the fabric of spacetime predicted in Albert Einsteins theory of General Relativity.
From Relativity Violations Bloomington IN (SPX) Mar 22, 2005
Light as we know it may be a direct result of small violations of relativity, according to new research scheduled for publication online Tuesday (March 22) in the journal Physical Review D.
puzzle cracked at last
The puzzle originated with a self-taught maths genius nearly a century ago - the solution may lead to advances in physics and internet security.
On Einstein, Galileo And Newton Pasadena CA (JPL) Mar 07, 2005
Thirty-five years after Moon-walking astronauts placed special reflectors on the lunar surface, scientists have used these devices to test Albert Einstein's general theory of relativity to unprecedented accuracy.
To Detect Mysterious Neutrinos Livermore CA (SPX) Mar 07, 2005
Livermore scientists are working to solve a 50-year-old question: Can neutrinos a particle that is relatively massless, has no electric charge yet is fundamental to the make-up of the universe transform from one type to another?
to Square One
Government review repeats cold fusion conclusions.
Copper Vs Copper
At The Relativistic Heavy Ion Collider Upton NY (SPX) Jan 17, 2005
Scientists searching for evidence that a particle accelerator at the U.S. Department of Energy's Brookhaven National Laboratory has created a new form of matter not seen since the Big Bang and eager to study its properties have begun using a new experimental probe, collisions between two beams of copper ions.