science
Earth's deep secret: Why your day isn't quite 24 hours
You might think the length of a day never varies—exactly 24 hours. You'd be wrong, at least if you count days in milliseconds, as physicists do.
ONLY AVAILABLE IN PAID PLANS
Read Full ArticleShare this story
Up next
Related Stories
Mouse study reveals magnetic nanoparticles' potential for ectopic pregnancy diagnosis and treatment
Phys.org
Wood beneath German lake may reveal buildings 3,000 years older than region's first farms
Phys.org
Seventeen K-Pop Robots Take Over Rockefeller Center, One Demands to Be Called a Soul
Hoodline
Four Sets of Abstract Moral Systems
Overcoming Bias Economics Blog
A home for ‘Inspiration': See the space shuttle mockup's future Downey building
Nbc Los Angeles