Recent content by wolfram

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    Graduate Ramsey fringes and the atomic clock

    Hi, I'm currently researching into the formation and history of atomic clocks. Quartz and crystal clocks can determine resonance frequency measurements to an order of 10^8, but using Ramsey fringes this can become more accurate. Could someone help me explain why Ramsey fringes are a far...
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    Graduate Why is k constant in the Friedmann equation?

    Hi, just a quick question...in the Friedman equation, k takes a value of either 1,0,-1. But why is it a constant? Thanks you for your time!
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