3 ms·

I'm sure you could "see" a TeV photon showering in your eye?

• mk_stjames 4y ago
  Somewhat related- high energy cosmic rays (not photons, but ultra high energy protons, or helium nuclei) are theorized to cause flashes of light and other visual phenomenon in astronauts. https://en.wikipedia.org/wiki/Cosmic_ray_visual_phenomena https://en.wikipedia.org/wiki/Cosmic_ray_visual_phenomena