Difficult subjects.
Shooting an object the size of a grain of rice, that only fluoresces by laser, inside a ring of sapphire, turns out to be tricky…
Image © Thomas Angus / Imperial College London [laser ‘speckle’ in action]
(more…)
Shooting an object the size of a grain of rice, that only fluoresces by laser, inside a ring of sapphire, turns out to be tricky…
Image © Thomas Angus / Imperial College London [laser ‘speckle’ in action]
(more…)