A brief history of timekeeping

Humans’ concept of time has evolved with our ability to track it

marine chronometer

John Harrison’s marine chronometer eventually won the British government’s prize for determining longitude at sea. An earlier version, ca. 1735, is shown here. 

© National Maritime Museum, London

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Science & Society

From the Nature Index

Paid Content