TechnologyCaltech Chip Redirects Light in 74 FemtosecondsCaltech engineers built a nanoscale silicon surface that redirects one beam of light using another in just 74 femtoseconds — about the time light crosses a human hair.
ScienceNew Camera Captures Events Unfolding in Trillionths of a SecondChinese researchers unveiled an imaging method that captures both brightness and structural change in a single shot at femtosecond speeds — opening a new window on ultrafast science.