Seeing the Smallest Thing in the Universe

Beyond molecules and atoms, how far down can we see below the wavelength of visible light? What is the smallest possible scale in the universe?

Frog animation by Matt Burns

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Thanks to Kyle Kitzmiller for filming.

Image Credits:
SEM Images: Dartmouth Electron Microscope Facility
Infrared Images: Courtesy NASA/JPL-Caltech
LHC Images: CERN
Historical Particle Collider: INFN-LNF www.lnf.infn.it
Molecule images: IBM
Atom Images: Aneta Stoldona; APS

Music: Michael Miller, Kevin McLeod - "Carefree," YouTube - "On the Bach"