Amazing stuff! The revolution of microscopy is continuing! Over the past 20-30 years or so, the progress of microscopy (or should we call it now nanoscopy) is truly astounding! This is just the latest advance!
"Sub-nanometer resolution in 3D position measurements of light-emitting molecules has been achieved by physicists in Germany. ... achieved the result by replacing metal films used in previous super-resolution techniques with single layers of graphene. Their innovation could allow researchers in a wide variety of fields to measure molecular positions to unprecedented degrees of accuracy."
Graphene boosts microscope resolution by a factor of 10 – Physics World: Carbon-based material replaces metal and achieves sub-nanometre resolution
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