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Tubular Peas

Nanotubes, discovered in 1991, are a new form of carbon. With four electrons available for bonding, the carbon atom can combine with others in a number ways and produce many useful materials. Read More »


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People in Physics

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Becky Thompson-Flagg

Imagine starting a new internship, first week on the job and you don't know a soul. But you're curious. How did these people get here? What are they like? Where do they come from? Do they have any cool body piercings? Read More »


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Physics Buzz Blog

6 Billion Year Old Particles Maintain Weight

Monday, July 14, 2008

In the case of subatomic particles, the phrase "still the same after all these years" should be taken literally. As German astrophysicists recently discovered, the mass ratio of the proton and the electron is the same as it was 6 billion years ago.Specifically, protons weighed 1,836 times more than electrons back then, and they still do!The researchers who performed the study had originally detected ammonia in a very far off galaxy, by observing its absorption of radio waves from a powerful .. Read more »