The first known map of the night sky, the star catalogue of Greek astronomer Hipparchus, has been found hidden in a Medieval parchment.
nature.com/articles/d41586-0…
The Computus Engine retweeted
Some things sneak up on you. It seems I've had a blog for over 20 years. I recently moved The Computus Engine from Wordpress to @ghost. In the process it got a long overdue cleanup. In fact more of a "remaster". I've written about that here.
buff.ly/3Us2FCU
New post: Regnal Dating
computus.org/regnal-dating/
Explore historical boundaries for a given location.
hanshack.com/point-in-histor…
The Computus Engine retweeted
99% of the world's population gets daylight this Friday at 11:15 UTC! At least, that's what the internet says. But is it actually true? Read our fact check:
timeanddate.com/news/astrono…
A history of the Earth's Rotation.
youtube.com/watch?v=FwFabEwa…
The Computus Engine retweeted
Really looking forward to #EMFCamp this weekend. The schedule is looking really good! If you're around on Friday, I'll be speaking about Time Zones and Daylight Saving Time, at 11am on Stage A.
emfcamp.org/schedule/2022
William Gibson on watches. watchpaper.com/2015/07/16/wi…
How mechanical watches work.
ciechanow.ski/mechanical-wat…
A good primer on the Leap Second debate.
orolia.com/place-and-time-ep…
The Computus Engine retweeted
The Astronomia Sky Watch by Jacob and Co. provides the mapping of the entire cosmos, costing a whopping $580,000.🚀✨⌚️🤩
The Computus Engine retweeted
In this episode of the Atlas Obscura Podcast, we explore a modern landmark in a medieval city. The Corpus Clock in Cambridge, England honors both the past and future of telling time. atlasobscura.com/articles/po…
The Computus Engine retweeted
.@tomscott on UTC (NPL).
youtube.com/watch?v=yqciKS_N…









