Small clouds of strontium atoms (blue) and rubidium atoms (red) are trapped together. (IMAGE)

Universiteit van Amsterdam

Small clouds of strontium atoms (blue) and rubidium atoms (red) are trapped together.

Caption

Small clouds of strontium atoms (blue) and rubidium atoms (red) are trapped together. The well-known properties of rubidium can be used to calibrate the applied magnetic field very precisely, which in turn allows for the properties of strontium to be measured with extreme accuracy.

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UvA IoP

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