Featured series 
Tag: molecular physics
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Nation & World
How growing cells move together
Our cells are more than inert bags of proteins and genes whose complex signaling networks confound the world’s most powerful computers. They also have a physical side whose brawny feats…
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Nation & World
New maser measurements trace detail in active galactic core
The roiling cores of many active galaxies are difficult to see in detail because of surrounding gas and interstellar dust. Smithsonian astronomers announced Jan. 12, 2006, however, a first-time measurement…
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Nation & World
Building circuits measured in molecules
Yu Huang, a doctoral student in Professor Charles Lieber’s lab, has used fluid flows to arrange tiny bits of wires that are just billionths of a meter wide into millimeter-long…
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Nation & World
Scientists look inside antimatter
“We have obtained the first glimpse inside an antihydrogen atom, and this is a significant step on the way to precision measurements that will allow matter/antimatter comparisons to be made,”…
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Nation & World
New type of matter may have been found
In orbit around Earth, a satellite called the Chandra X-ray Observatory surveys the universe for sources of X-rays. Using Chandra, a scientist at the Harvard-Smithsonian Center for Astrophysics has observed…
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Nation & World
Why antimatter matters so much
In 1995, experimenters made nine or 10 atoms of antihydrogen at the Center for European Nuclear Research in Geneva, Switzerland. Since then, researchers have sought a method for making more…
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Nation & World
New detector may open new window on the universe
A new receiver is capable of detecting and amplifying very-high- frequency signals with very fine frequency resolution, so it can detect the spectral lines, or chemical fingerprints, of interstellar molecules…
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Nation & World
Researcher Sunney Xie interested in molecule as an individual
Sunney Xie is one of the world’s leading researchers in molecular imaging and in single-molecule reactions. Xie’s has devised a way to use laser beams to see collections of protein…