Single-atom transistor is 'perfect'
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
Nanophysics
Feb 19, 2012
24
2
(PhysOrg.com) -- For the first time, astronomers have found pristine clouds of the primordial gas that formed in the first few minutes after the Big Bang. The composition of the gas matches theoretical predictions, providing ...
Astronomy
Nov 10, 2011
22
0
Physicists from the Georgia Institute of Technology have developed a theory that describes, in a unified manner, the coexistence of liquid and pinned solid phases of electrons in two dimensions under the influence of a magnetic ...
General Physics
Nov 4, 2011
0
0
All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy ...
Astronomy
Sep 28, 2011
29
0
In 2008, experiments at The Fu Foundation School of Engineering and Applied Science at Columbia University established pure graphene, a single layer of graphite only one atom thick, as the strongest material known to mankind. ...
Nanomaterials
Nov 30, 2010
3
0
Carnegie Mellon University researchers have shown that public information readily gleaned from governmental sources, commercial data bases, or online social networks can be used to routinely predict most — and sometimes ...
Computer Sciences
Jul 6, 2009
3
0
No matter how good a search engine is, it is sometimes necessary to change the search terms to get the information you need. But what if you did not have to change the search terms yourself? What if the search engine could ...
Computer Sciences
Jun 5, 2009
1
0
Political prediction markets -- in which participants buy and sell "contracts" based on who they think will win an election -- accurately predicted Barack Obama's 2008 victory. Now Northwestern University researchers have ...
Mathematics
Jan 19, 2009
1
0
Researchers from Aarhus University and the Italian Institute of Technology have discovered how certain proteins can attach to special structures in RNA, called G-quadruplexes. Additionally, they have developed computational ...
Cell & Microbiology
Apr 3, 2024
0
38
Dual topological phases have been discovered in an intrinsic monolayer crystal, a finding that reveals new and unique rule-bending properties in a quantum material, an international team of scientists led by Boston College ...
Condensed Matter
Apr 2, 2024
0
10