Putting light in a spin generates a ring of fire on gold film
Enlarge / The evolution of the vortex over femtoseconds.Spektor et. al. reader comments 1 Share this story The late 20th and early 21st century have seen a revolution in the study of light. Far from the old days of seeing things dimly through microscopes, we are now in the position to freeze light, use it to make materials transparent, and watch it...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark