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Physics / Physics news 1234

Physicists Develop Test for 'String Theory'

January 23, 2007 | User rating: 4.5 / 5 after 132 vote(s) | No comments yet

For decades, scientists have taken issue with “string theory”—a theory of the universe which contends that the fundamental forces and matter of nature can be reduced to tiny one-dimensional filaments called strings—because ...


What Happened Before the Big Bang?

July 01, 2007 | User rating: 4.5 / 5 after 239 vote(s) | No comments yet

New discoveries about another universe whose collapse appears to have given birth to the one we live in today will be announced in the early on-line edition of the journal Nature Physics on 1 July 2007 ...


Inventor Doesn't Dare Say 'Perpetual Motion Machine'

February 07, 2008 | User rating: 4.4 / 5 after 261 vote(s) | User comments: 52

Thane Heins knows the track record of inventors that claim to make breakthroughs in power generation methods, especially when they claim to defy the second law of thermodynamics. Every so often, a (usually ...


Dark Energy and Dark Matter – The Results of Flawed Physics?

September 11, 2006 | User rating: 4.6 / 5 after 233 vote(s) | No comments yet

There are few scientific concepts as intriguing and mysterious as dark energy and dark matter, said to make up as much as 95 percent of all the energy and matter in the universe. And even though scientists ...


Physicist Claims First Real Demonstration of Cold Fusion

May 27, 2008 | User rating: 4.6 / 5 after 278 vote(s) | User comments: 50

To many people, cold fusion sounds too good to be true. The idea is that, by creating nuclear fusion at room temperature, researchers can generate a nearly unlimited source of power that uses water as fuel ...


UCF physicist says Hollywood movies hurt students' understanding of science

August 15, 2007 | User rating: 4.4 / 5 after 104 vote(s) | No comments yet

Movies such as Spiderman 2 and Speed generate excitement among audiences with their cool special effects. But they also defy the laws of physics, contributing to students’ ignorance about science.


Physicists generate ball-lightning in the lab

June 06, 2006 | User rating: 4.5 / 5 after 134 vote(s) | No comments yet

Scientists in the joint study group of Max-Planck-Institut für Plasmaphysik and Berlin’s Humboldt University have generated ball-lightning in the laboratory - or, to be more precise, ball-lightning-like plasma ...


Physicists Modify Double-Slit Experiment to Confirm Einstein's Belief

March 12, 2007 | User rating: 4.5 / 5 after 154 vote(s) | No comments yet

Work completed by physics professors at Rowan University shows that light is made of particles and waves, a finding that refutes a common belief held for about 80 years.


New technology has dramatic chip-cooling potential for future computers

August 13, 2007 | User rating: 4.3 / 5 after 101 vote(s) | No comments yet

Researchers have demonstrated a new technology using tiny "ionic wind engines" that might dramatically improve computer chip cooling, possibly addressing a looming threat to future advances in computers and ...


Scientists design Maglev car with greater stability

June 02, 2006 | User rating: 4.2 / 5 after 115 vote(s) | No comments yet

Since the late ‘60s, scientists have been designing, building and operating “flying trains,” or magnetically levitated (“Maglev”) systems. However, the sci-fi-like technology still faces challenges for increased ...


More Evidence for a Revolutionary Theory of Water

June 30, 2008 | User rating: 4.4 / 5 after 147 vote(s) | User comments: 15

The traditional picture of how liquid water behaves on a molecular level is wrong, according to new experimental evidence collected by a collaboration of researchers from the Department of Energy's Stanford ...


Hubble Telescope Finds Ring of Dark Matter

May 15, 2007 | User rating: 4.2 / 5 after 108 vote(s) | No comments yet

US astronomers on Tuesday presented the most solid proof yet of the existence of dark matter, a mysterious substance believed to make up more than a quarter of the universe.


New Theory of the Universe Marries Two of its Biggest Mysteries

January 22, 2007 | User rating: 4.1 / 5 after 88 vote(s) | No comments yet

Physicists have devised a theory that unifies two widely studied mysteries of the universe: why there is an imbalance between regular matter and anti-matter (scientists expect to see equal amounts of each, but observe less ...


Scientists find clues to the formation of Fibonacci spirals in nature

May 01, 2007 | User rating: 4.6 / 5 after 139 vote(s) | No comments yet

While the aesthetics and symmetry of Fibonacci spiral patterns has often attracted scientists, a mathematical or physical explanation for their common occurrence in nature is yet to be discovered. Recently, ...


'Electromagnetic Wormhole' Possible with Invisibility Technology

October 12, 2007 | User rating: 4.7 / 5 after 151 vote(s) | No comments yet

The team of mathematicians that first created the mathematics behind the "invisibility cloak" announced by physicists last October has now shown that the same technology could be used to generate an "electromagnetic ...


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