The second as we know it was one introduced in the late 1500s when the Gregorian calendar began to spread across the globe alongside British colonialism.
The Gregorian calendar defined a day as a single revolution of the Earth about its axis. A day could be divided into 24 hours, each hour into 60 minutes, and each minute into 60 seconds.
Yet, the second was more a mathematical idea than a useful unit of time.
21
358 reads
CURATED FROM
IDEAS CURATED BY
The idea is part of this collection:
Learn more about videos with this collection
The historical significance of urban centers
The impact of cultural and technological advances
The role of urban centers in shaping society
Related collections
Similar ideas to The history of the second
Saint Valentine of Rome was added to the Catholic calendar by Pope Gelasius in 496. By the mid-17th century, the celebration of Valentine's day in England was customary.
The first commercial valentines day appeared in England at the end of the 18th century. They combined traditional symbo...
Iron has been collected, mined and processed into its metallic form since 1200 BCE. Large scale production only started in 1750, at the start of the Industrial Revolution.
Steel, an alloy of Iron and Carbon is known for its purity and strength, and was patented by British ...
Read & Learn
20x Faster
without
deepstash
with
deepstash
with
deepstash
Personalized microlearning
—
100+ Learning Journeys
—
Access to 200,000+ ideas
—
Access to the mobile app
—
Unlimited idea saving
—
—
Unlimited history
—
—
Unlimited listening to ideas
—
—
Downloading & offline access
—
—
Supercharge your mind with one idea per day
Enter your email and spend 1 minute every day to learn something new.
I agree to receive email updates