Quantum Control in Nanodiamonds

Quantum coherence control usually requires low temperature environments. Even for nitrogen-vacancy center spins in diamond, a remarkable exception, the coherence signal is limited to about 700 K due to the quench of the spin-dependent fluorescence at a higher temperature. Here researchers overcome this limit and demonstrate quantum coherence control of the electron spins of nitrogen-vacancy …

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Ten percent have immune systems that ignore HIV and thus the immune system is saved and AIDS does not develop

Ten percent of children have a “monkey-like” immune system that stops them developing Aids, a study suggests. An untreated HIV infection will kill 60% of children within two and a half years, but the equivalent infection in monkeys is not fatal. The findings could lead to new immune-based therapies for HIV infection. The virus eventually …

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