
KELES LAB · ULTRAFAST MATERIALS DISCOVERY
One femtosecond. 2.5 million years.
Andromeda, 2.5 million light-years away, is our nearest major galaxy. We are out to discover a different one — the uncharted galaxy of possible materials — using pulses of light one femtosecond long.
Andromeda through the oaks · Mount Hamilton, California, 2020 · photograph by Ozgur Keles
© 2026 Ozgur Keles