Researchers at Israel’s Weizmann Institute have developed a dual-laser technique that manipulates electrons and then tracks the effect in attoseconds (one quintillionth of a second). It opens up the possibility of computer processors capable of operating at light speed.
https://israfan.com/p/israeli-laser-light-speed-processors
https://wis-wander.weizmann.ac.il/space-physics/matter-crossroads