arrow of time

special theory of relativity, Albert Einstein, NASA New Horizons, Ultima Thule, spacecraft event time, UTC time, speed of light, quantum mechanics, entangled time, second law of thermodynamics, mathematics, entropy, Big Bang, arrow of time, time travel, troposphere, galactic years,

After Another Year, Finding Solace in Our Subjective Experience of Time

James Gleick explores the trope of time travel in the popular and scientific imagination as something that could be enabled by technology rather than a flight of mind or spirit. Credit: sfj/Flickr, CC BY 2.0

Traveling Through Time With James Gleick