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9 matches found for "low-energy collisions"

Page | 1 |

Slow motion: antiprotons unravel atoms

Quantum mechanics makes it easy to describe hydrogen, the simplest atom, but bigger atoms are more complicated owing to interactions between their electrons. It is especially difficult to predict the ...

Physics and Astronomy |

Surprising graphene

Graphene is the two-dimensional crystalline form of carbon: a single layer of carbon atoms arranged in hexagons, like a sheet of chicken wire with an atom at each nexus. As free-standing objects, such...

Physics and Astronomy |

Auger Observatory closes in on mystery, links highest-energy cosmic rays with violent black holes

Using the Pierre Auger Observatory in Argentina, the largest cosmic-ray observatory in the world, a team of scientists from 17 countries found that the sources of the highest-energy particles are not ...

Physics and Astronomy |

CERN announces new start-up schedule for world’s most powerful particle accelerator

The LHC is a scientific instrument of unprecedented complexity, and at 27 kilometres in circumference, the world’s largest superconducting installation. Cooling the first sector of the machine to a te...

Physics and Astronomy |

Milky Way black Hole May Be A Colossal Particle Accelerator

Now astrophysicists at The University of Arizona, Los Alamos National Laboratory and the University of Adelaide (Australia) have discovered a mechanism that might produce these high-energy gamma rays....

Physics and Astronomy |

New technique boosts by four times the size of a protein that researchers can analyze

But now, Cornell researchers have extended a powerful technique to increase by fourfold the size of a protein that can be analyzed, to those containing more than 2,000 amino acids, up from about 500....

Life Sciences |

Lightning research sparks new discovery

Bringing the study of lightning research into the laboratory Lightning, a high-voltage discharge that strikes quickly and sometimes fatally, is very difficult to study. A new...

Physics and Astronomy |

Surface physics technique reveals complex chemical reactions on icy surfaces

Dynamic ice A technique borrowed from the surface physics community is helping chemists and atmospheric scientists understand the complex chemical reactions that occur on low...

Life Sciences |

Time gives rays a break

Jumps in space-time might explain the curious survival of energetic particles. Space and time must be grainy, not smooth. Otherwise high-energy particles produced in astrophysi...

Physics and Astronomy |

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