Ghost imaging is a sophisticated and incredibly useful set of techniques that scientists deploy to photograph light-sensitive objects in surprisingly high resolution.

By making use of a mix of quantum and classical phenomena to pull visual information from just one of a pair of entangled photons, the method can capture images where energetic rays of light or radiation risk damaging the material of interest.

A new study has revealed a way of improving ghost imaging without adding much to its cost or complexity. In simple terms, it means these techniques will be able to capture more details from more objects.

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