http://www.ox.ac.uk/news/science-blog/image-strontium-atom-wins-national-science-photography-prize
是拍摄到了单个锶原子的荧光，这个还是可以的。就像恒星虽然视角极小，但是因为可
以发光所以还是可以看见一个光点。
The distance between the small needle tips is about two millimetres. When
illuminated by a laser of the right blue-violet colour the atom absorbs and
re-emits light particles sufficiently quickly for an ordinary camera to
capture it in a long exposure photograph.
