The overwhelming majority of proteins and other functional molecules in our bodies display a striking molecular characteristic: They can exist in two distinct forms that are mirror images of each other, like your right hand and left hand 다운로드. Surprisingly, each of our bodies prefers only one of these molecular forms.
This mirror-image phenomenon — known as chirality or “handedness” — has captured the imagination of a UCLA research group led by Thomas G 위메프 앱 다운로드. Mason, a professor of chemistry and physics and a member of the California NanoSystems Institute at UCLA.
“Objects like our hands are chiral, while objects like regular triangles are achiral, meaning they don’t have a handedness to them,” said Mason, the senior author of the study 다운로드.
Why many of the important functional molecules in our bodies almost always occur in just one chiral form when they could potentially exist in either is a mystery that has confounded researchers for years 영화 클린 다운로드.
Learn more about chirality – UCLA Newsroom
Harnessing the power of supercomputers and their million hours of processing power has allowed some very intriguing physics calculations to take place 영화 모아나 다운로드. One of them is the study of matter in the universe on a subatomic level.
The question, how did we arrive at a universe composed almost exclusively of matter with virtually no antimatter download link 다운로드?
The calculation took 54 million processor hours on the IBM BlueGene/P supercomputer at the Argonne National Laboratory in the U.S.
The new research, reported in the March 30 issue of Physical Review Letters, represents an important milestone in understanding kaon decays — which are a fundamental process in physics 솔리드웍스 뷰어 다운로드. It is also inspiring the development of a new generation of supercomputers that will allow the next step in this research.
“It has taken several decades of theoretical developments and the arrival of very powerful supercomputers to enable physicists to control the interactions of the quarks and gluons, the constituents of the elementary particles, with sufficient precision to explore the limits of the standard model and to test new theories,” says Chris Sachrajda, Professor of Physics at the University of Southampton, one of the members of the research team publishing the new findings ftk imager.
The process by which a kaon decays into two lighter particles known as pions was explored in a 1964 Nobel Prize-winning experiment. This revealed the first experimental evidence of a phenomenon known as charge-parity (CP) violation — a lack of symmetry between particles and their corresponding antiparticles that may explain why the Universe is made of matter, and not antimatter 박효신 야생화.
via Science Daily – continue reading about the next generation of supercomputers, 10-20 times more powerful…