This article is completely overstated. People have been measuring this for decades. Look up the work of Mountcastle or Bensmaia on somatosensation and vibrotact

This article is completely overstated. People have been measuring this for decades. Look up the work of Mountcastle or Bensmaia on somatosensation and vibrotaction. Most of what we perceive down at the nm scale is differences in frequency with which our skin vibrates when we run our finger across a surface, we even have the spikes from peripheral nerves that show the differences in textures.