TIME-WARRIOR
Thursday, July 27, 2006
New Approach Could Lead To Self-Powered Silicon Laser Chip
UCLA scientist applies solar cell to remove heat and electrons from optical computing systems.

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Written at 9:32 AM by Timewarrior
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Protein-Nanoparticle Material Mimics Human Brain Tissue
A composite material consisting of a horse protein and metallic nanoparticles displays magnetic properties very similar to those of human brain tissue, scientists have found. The work, published in the June 20 online edition of Physical Review B, may help lead to a more thorough understanding of the magnetic behavior of brain tissue and other compl

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Written at 9:31 AM by Timewarrior
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When biology gets 'Quirky', scientists turn to math
Ohio State University researchers who are trying to solve a longstanding mystery in chemistry and biology are getting answers from a seemingly unusual source: mathematics. Ultimately, the project could provide a tool for clinical research, because it could explain why cells sometimes react to medicines in unexpected ways.


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Written at 9:25 AM by Timewarrior
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The N Body Problem
The N-body problem is one of the most famous, and easily stated, problems in mathematical physics: find exact solutions to point masses moving under their mutual Newtonian gravitational forces (i.e. the inverse-square law). But let N=3 and chaos breaks loose, quite literally.

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Written at 9:24 AM by Timewarrior
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Einstein's Equations Conquered by Columbia Supercomputer & NASA
For 90 years, physicists have tried to solve the equations that constitute Albert Einstein
�s theory of general relativity � the concept that matter, space and time are intertwined. But some of Einstein�s abstract equations have proven too complicated to reliably calculate using traditional computer software and hardware. Until now, that is.

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Written at 9:20 AM by Timewarrior
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Super-plants from outer space
China plans to blast seeds into space in a novel way of boosting the nation's food production, reports say.

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Written at 9:18 AM by Timewarrior
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Order by Motion
Max Planck scientists have shown that molecular motors can induce orientational order in an isotropic liquid of �laments.

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Written at 9:15 AM by Timewarrior
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Scientists Say They Have Found a Code Beyond Genetics in DNA
Researchers believe they have found a second code in DNA in addition to the genetic code. The genetic code specifies all the proteins that a cell makes. The second code, superimposed on the first, sets the placement of the nucleosomes, miniature protein spools around which the DNA is looped. The spools both protect and control access to the DNA.

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Written at 9:14 AM by Timewarrior
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Researchers Pursue a Narrow Particle with Wide Implications
The Stueckelberg Z prime particle, originally proposed by Boris Kors currently at CERN, Geneva, Switzerland and Pran Nath at Northeastern University in 2004, is so narrow that questions had been raised as to whether or not it could be detected. This new research confirms that it can.

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Written at 9:11 AM by Timewarrior
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Researchers Develop a Wire that Carries Current Without Moving Electrons
Known as a hole quantum wire, it exploits gaps � or holes - between electrons. The relationship between electrons and holes is like that between electrons and anti-electrons, or matter and anti-matter.

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Written at 9:10 AM by Timewarrior
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Plenty of nothing: A hole new quantum spin
Electronic devices are always shrinking in size but it's hard to imagine anything beating what researchers at the University of New South Wales have created: a tiny wire that doesn't even use electrons to carry a current. Known as a hole quantum wire, it exploits gaps or holes - between electrons.

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Written at 9:05 AM by Timewarrior
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Pre-life Molecules Present in Comets
Evidence of atomic nitrogen in interstellar gas clouds suggests that pre-life molecules may be present in comets, a discovery that gives a clue about the early conditions that gave rise to life, according to researchers from the University of Michigan and the Harvard-Smithsonian Center for Astrophysics.

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Written at 9:04 AM by Timewarrior
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Physicists May Hunt For Higgs Particle in an Evaporating Mini Black Hole
They must be eternal optimists. How else would you explain the plan by physicists to look for a hypothetical particle, the Higgs boson, by sifting through the remnants of an evaporating mini black hole, which itself may or may not exist?

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Written at 9:02 AM by Timewarrior
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In tunneling physics, a decades-old paradox is resolved
As if the concept of quantum tunneling
�where atoms pass through barriers�isn't confusing enough, one of the vexing questions within that area of physics is why particles seem to travel faster than the speed of light when passing through a barrier, but not when they travel through empty space.

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Written at 8:50 AM by Timewarrior
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Saturday, July 22, 2006
Dice simulation
A flash based tool that allows you to sumulate dice rolls and displays the result on a histogram. Can a dice get equal distributions between all six numbers? try the program to find out.

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Written at 9:30 AM by Timewarrior
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Friday, July 21, 2006
CERN: Discovery for Discovery's Sake
Seed's first audio slideshow explores the workings of the Large Hadron Collider.

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Written at 1:14 PM by Timewarrior
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The unavailing of the "Nanoegg"
Researchers at Rice University's Laboratory for Nanophotonics (LANP) have unveiled the "nanoegg," the latest addition to their family ultrasmall, light-focusing particles.

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Written at 12:55 PM by Timewarrior
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Reversing and accelerating the speed of light
Physicist Costas Soukoulis and his research group at the U.S. Department of Energy's Ames Laboratory on the Iowa State University campus are having the time of their lives making light travel backwards at negative speeds that appear faster than the speed of light.

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Written at 12:52 PM by Timewarrior
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What if Black Holes Didn't Exist
Theoretical physicists have recently been frustrated by a bold hypothesis concerning black holes�specifically, that they don't exist.

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Written at 12:48 PM by Timewarrior
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Tuesday, July 18, 2006
Supercomputers Help Physicists Understand a Force of Nature
Scientists are starting to find answers to some profound questions, thanks to a breakthrough in the calculations needed to understand the strong nuclear force that comes from the motion of nature's basic building blocks, subatomic particles called quarks and gluons.

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Written at 12:28 PM by Timewarrior
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The First Science Ever with APEX
The APEX telescope will be dedicated to observing the sky of the Southern hemisphere at "sub-millimetre wavelengths". It covers so-called "atmospheric windows" � the wavelengths at which the Earth's atmosphere is partially transparent. APEX will thus be observing the "cold universe", which radiates at these wavelengths.

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Written at 12:25 PM by Timewarrior
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New UK Universities reseach databank and search engine launched
Intute is a free online service providing you with access to the very best Web resources for education and research. The service is created by a network of UK universities and partners.

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Written at 12:22 PM by Timewarrior
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'Super-scope' using Diamond Light Source will unlock secrets
The Diamond machine has produced its first "synchrotron" light beam, which will allow experiments to get underway. Diamond is described as a series of "super microscopes" that will probe the structure of matter down to the scale of atoms and molecules

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Written at 12:21 PM by Timewarrior
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Mercury atomic clock keeps time with record accuracy
An experimental atomic clock based on a single mercury atom is now at least five times more precise than the national standard clock based on a "fountain" of cesium atoms, according to a paper by physicists at the Commerce Department's National Institute of Standards and Technology (NIST) in the July 14 issue of Physical Review Letters.

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Written at 12:11 PM by Timewarrior
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Towards Frictionless Nanomachines
Two independent groups of researchers have taken important steps in overcoming friction in nanosized mechanical devices. Friction is a big problem in nanosized devices because their surfaces quickly wear out and seize up. Traditional lubricants are useless in such machines because they become thick and sticky when confined in such tiny spaces.

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Written at 12:06 PM by Timewarrior
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Thursday, July 13, 2006
MIT scientists create visionary optic fibers
In a radical departure from conventional lens-based optics, MIT scientists have developed a sophisticated optical system made of mesh-like webs of light-detecting fibers.

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Written at 3:31 PM by Timewarrior
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Video Tour of the Large Hadron Collider
In Seed Magazine's first exclusive feature film, science communicator Alom Shaha travels underground and behind the scenes to probe the cavernous Large Hadron Collider at CERN.

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Written at 3:29 PM by Timewarrior
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The Letters Of Albert Einstein
This article, it seems to me, is worth a detail read. There is some solid gold in these letters.

One such example: The mind & spirit of a scientist was exquisitely captured in the last line of text (below) from this great man: "If my present modification (which does not change the equations) is legitimate, then gravitation must play a fundamental role in the composition of matter," Einstein wrote. "My own curiosity is interfering with my work!"

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Written at 3:19 PM by Timewarrior
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Quantum Computer: Laser tweezers sort atoms
Physicists of the University of Bonn have taken one more important hurdle on the path to what is known as a quantum computer: by using 'laser tweezers' they have succeeded in sorting up to seven atoms and lining them up. The researchers filmed this process and report on their breakthrough in the next issue of the prestigious journal Nature.

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Written at 3:04 PM by Timewarrior
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Earliest black holes bent the 'laws' of physics
Black holes in the early universe may have circumvented a law of physics to grow rapidly to colossal size. The finding could solve a longstanding puzzle over why such massive objects appeared so soon after the universe began.

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Written at 2:59 PM by Timewarrior
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First Direct Observations of Spinons and Holons
Working at the Advanced Light Source (ALS) of the U.S. Department of Energy's Lawrence Berkeley National Laboratory, a team of researchers has observed the theoretical prediction of electron "spin-charge separation" in a one-dimensional solid. These results hold implications for future developments in several key areas of advanced technology.

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Written at 1:08 PM by Timewarrior
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Friday, July 07, 2006
New Ion Trap May Lead to Large Quantum Computers
Physicists at the National Institute of Standards and Technology (NIST) have designed and built a novel electromagnetic trap for ions that could be easily mass produced to potentially make quantum computers large enough for practical use.

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Written at 8:20 AM by Timewarrior
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Supernova Leaves Behind New Type Of Neutron Star
"RCW 103 is an enigma," said Giovanni Bignami, director of CESR,Toulouse, and co-author. "We simply don't have a conclusive answer to what is causing the long X-ray cycles. When we do figure this out, we're going to learn a lot more about supernovae, neutron stars and their evolution."

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Written at 8:15 AM by Timewarrior
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CHUCK - The Audio Programming Language
Saw a post about DJ's who use this on Wired. It allows kids to dynamically write music in a simple programming language, so it can be performed live.

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Written at 8:13 AM by Timewarrior
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Researchers peg magnetism as key to high-temperature superconductivity
Scientists and physicists report strong evidence that magnetic fluctuations are key to a universal mechanism for pairing electrons and enabling resistance-free passage of electric current in high-temperature superconductors.

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Written at 7:47 AM by Timewarrior
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Ultrasound May Help Regrow Teeth
Hockey players, rejoice! A team of University of Alberta researchers has created technology to regrow teeth--the first time scientists have been able to reform human dental tissue.

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Written at 7:46 AM by Timewarrior
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New Pain Research Shows Mice Capable Of Empathy
A new study by McGill University professor of psychology Dr. Jeffrey Mogil shows that the capacity for empathy, previously suspected but unproven even among higher primates, is also evident in lower mammals.

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Written at 7:44 AM by Timewarrior
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Ants Track Their Steps With An Internal Pedometer
"Desert ants have an internal system - like a pedometer - that keeps track of how many steps they take, according to a new study. The insects seem to rely on this system to find their way back to the nest after foraging. Other insects may also possess this pedometer-like system."

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Written at 7:44 AM by Timewarrior
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How To Write Proofs
Proofs are the heart of mathematics. If you are a math major, then you must come to terms with proofs--you must be able to read, understand and write them. What is the secret? What magic do you need to know? The short answer is: there is no secret, no mystery, no magic.

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Written at 7:43 AM by Timewarrior
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Did early man take his first steps in Asia?
THE first human ancestor to walk upright may have evolved in Asia, not Africa, according to a radical new theory.

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Written at 7:43 AM by Timewarrior
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For Self-Folding 3D Electronics, Just Add Water
Electronic components can be made to fold themselves into three-dimensional devices. The auto-origami technique has already been used to build a working light detector.

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Written at 7:39 AM by Timewarrior
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Déjà Vu, Again and Again
Take a moment to remember what happened during your day yesterday. Images and sounds begin to flash through your mind: people you spoke to, places you went, meals you ate. One scene cues up another, leading you on vivid tangents as you cycle through the day. Now ask yourself: how do you know that you are remembering those images as they happened?

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Written at 7:38 AM by Timewarrior
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No one will win the Nobel Prize for String Theory?!?!
"By 2020, no one will have won a Nobel Prize for work on super-string theory, membrane theory, or some other unified theory describing all the forces of nature."
It's a simple wager between Michael Kaku and John Horgan.

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Written at 7:38 AM by Timewarrior
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Controlling the Vortex: a Novel Way to Create Switches
Researchers at the University of Arkansas have found a way to create switching in nanoscale materials, opening the path to using these new properties for memory devices, nanomotors, nanoswitches or nanosensors.



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Written at 7:36 AM by Timewarrior
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Physics Awaits New Options as Standard Model Idles
This is a fascinating essay on where physics stands today in terms of the all-encompassing theory to explain the universe, and everything in it.

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Written at 7:34 AM by Timewarrior
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Stephen Hawking asks "How can the Human Race survive" on Yahoo Answers...
Dr. Stephen Hawking, a world renowned theoretical physicist asks the question "How can the human race survive the next hundred years?" on Yahoo Answers. Submit your answer or read others thoughts.

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Written at 7:31 AM by Timewarrior
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Transcript of Steven Hawking's speech at the Talkasia conference
Here is the complete transcript of Professor Hawking's controversial speech, in which he talks about the future survival of the human race, UFOs, how to live with a disability, and many other fascinating topics...

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Written at 7:31 AM by Timewarrior
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How Does a Human Brain Sift Through All of that Data?
When neurons communicate, they send messages across a junction known as a synapse. Synapses don't act as passive channels for the brain's messages
�they actively filter them, amplifying important messages while eliminating background noise. New research demonstrates one mechanism by which synapses separate the good stuff from the junk

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Written at 7:29 AM by Timewarrior
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Top 50 Blogs Written by Scientists
Weblogs written by scientists are relatively rare, but some of them are proving popular. Out of 46.7 million blogs indexed by the Technorati blog search engine, five scientists' sites make it into the top 3,500.

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Written at 7:27 AM by Timewarrior
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Purdue uses rare electron microscope to study nanostructures
The $4 million FEI Titan microscope (a modified transmission electron microscope) has been is equipped with an "environmental cell," so that researchers can watch how atoms come together to form nanostructures as gases flow into a chamber in the presence of a metal catalyst. The instrument is also able to take high-resolution photographs.

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Written at 7:26 AM by Timewarrior
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100 Most Important Discoveries In Last 25 Years (Office Of Science)
For the past two-and-a-half decades, the Office of Science at the U.S. Department of Energy has been at the forefront of scientific discovery. We asked our staff and colleagues to help us identify 100 or so of the most important discoveries supported by the Office of Science.

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Written at 7:03 AM by Timewarrior
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Saturday, July 01, 2006
Olinto De Pretto
The mathematical equation that ushered in the atomic age was discovered by an unknown Italian dilettante two years before Albert Einstein used it in developing the theory of relativity.

Olinto De Pretto
Written at 11:00 AM by Timewarrior
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