magictransistor: Berenice Abbott. Science Photography. 1958-1961.
"Inbound Meditative Traveller"
note: Look at this image, close your eyes, relax your thoughts, and bring forth the centre circle in your mind’s eye. Provide yourself with as much peace as you need. This is a symbol of the all-giving calmness within you.
source: from scratch, 22+ layers, 2014.
“Cherenkov radiation is electromagnetic radiation emitted when a charged particle (such as an electron) passes through a dielectric medium at a speed greater than the phase velocity of light in that medium.”