Testing Einstein with better clocks.
Researchers compare precise clocks at different elevations to test how gravity changes their rates.
NIST · FEB 25, 2026FACT FICTIONTHE PARALLEL EDITION
FEATURED FILM · FICTION
TIMESHIFT:
PROFESSOR
CLOCK
Time Traveler’s Digest
Afrofuturist speculative fiction.
From the ProfessorClock universe.
15 SECFEATURED CLIP05CHARACTER DOSSIERSNAOPCSTORY UNIVERSE
NOW SHOWING01 / TIMESHIFT
THE FACES OF THE STORYVIEW FIVE DOSSIERS
THE OBSERVABLE WORLD
Happening in this universe.
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THE LATEST FROM NASA
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SCIENCE DESK
Time, under examination.
A little red dot. A much bigger question.
Webb observations support a model of a black hole surrounded by dense gas.
NASA · JUN 10, 2026Measuring time to the 19th decimal place.
NIST’s 2025 aluminum-ion clock result advances precision timekeeping.
NIST · JUL 14, 2025THE POSSIBLE WORLD · PROFESSORCLOCK CANON
Five lives. Across time.
THE PUBLISHED CHRONOLOGY
OPEN THE TIMELINEThe temporal record.
Continue through the existing G.R.I.D. timeline.
THE READER’S UNIVERSE
What happens next is yours.
FAN FICTION & SPECULATIVE STORIES
The writing room.
A place for time travel stories and speculative story arcs.
Reader stories appear here after editorial selection.
FAN ART
Art from other possibilities.
The gallery is awaiting its first selected fan contributions.
Contact the editorial team