Länk - Attosekundpulser av ljus
These pulses are so brief that they allow researchers to more accurately measure the movement of sub-atomic particles such as the electron, the tiny negatively-charged entity which moves outside the nucleus of an atom. Attosecond technology may throw light, literally, upon the strange quantum world where such particles have no definite position,only probable locations.
Läs mer: New way to manipulate light a million times more efficiently | Science Blog