Hydrogen gas is an almost infinitely inexhaustible fuel source that emits only clean water during combustion. Switching from hydrocarbon-based transportation to systems powered by state-of-the-art fuel cells therefore seems ...
Materials Science
Dec 2, 2011
12
0
The race to develop quantum computers has really heated up over the past few years. State-of-the-art systems can now run simple algorithms using dozens of qubits—or quantum bits—which are the building blocks of quantum ...
Quantum Physics
Dec 21, 2023
0
69
Most galaxies are assumed to have at their heart a supermassive black hole that draws in vast amounts of surrounding matter. As this matter is sucked in, it releases energy in the form of intense x-ray emissions that in some ...
Astronomy
Dec 5, 2014
2
0
When plants, including crops, are exposed to environmental stresses such as drought or high salinity, abscisic acid (ABA), a stress-responsive hormone is synthesized to induce a protective response. At the same time, the ...
Biotechnology
Sep 9, 2011
0
0
Proteins are typically encoded by linear strands of messenger RNA (mRNA). These mRNA molecules are translated into polypeptide chains by ribosomes, with each ribosomal read-through of the mRNA generating a single, discrete ...
Biochemistry
Jul 12, 2013
0
0
Whether a car or a ball, the forces acting on a body moving in a straight line are very different to those acting on one moving in tight curves. This maxim also holds true at microscopic scales. As such, a beam of electrons ...
General Physics
Feb 17, 2012
0
0
Clues into the evolutionary diversification of brassicas have emerged from the draft Chinese cabbage genome sequence. Brassica crops include many agriculturally important vegetables, such as Chinese cabbage, pak choi, turnip, ...
Biotechnology
Jan 20, 2012
0
0
Some 300 exabytes (3 × 1020 bytes) of information were stored in electronic media -- magnetic disks and tapes or optical disks -- throughout the world by 2007. Yet, the demand for electronic storage grows daily, driving ...
Condensed Matter
Apr 8, 2011
2
0
Rebooting a quantum computer is a tricky process that can damage its parts, but now two RIKEN physicists have proposed a fast and controllable way to hit reset.
Quantum Physics
Jan 21, 2022
0
493
An artificial base that enhances the protein-binding affinity and selectivity of DNA expands the DNA machinery.DNA aptamers are expected to play an important role in the diagnosis and treatment of various cancers and other ...
Biochemistry
Jul 19, 2013
0
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