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Centuries-Old Longitude Clock Runs Again
douglips writes "BBC News has published a story about John Harrison's H4 chronometer and how it has been wound up for the UK's National Science Week.
After 40 years of work [Harrison] proved in 1764 that a clock could be used to locate a ship's position at sea with extraordinary accuracy." Ah, the GPS system of its day. T. adds: This is the timekeeping device which Dava Sobel wrote about in Longitude .
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Lasers Controlled Games!
"...the majority of folks were into heavy metal..."
But heavy metal wasn't invented until the early '70, pioneered by groups such as Black Sabbath, gaining more acceptance in the mid-to-late-70s with bands like Judas Priest, AC/DC and KISS, eventually being brought to the mainstream by Metallica and Megadeth, and finally sold out, combined with the failed Punk movement, and/or integrating elements of Rap and Alternative music into the bands we know & hate today: Linkin Park, Limp Bizkit, Korn and Godsmack.
They are at the greenwich museum. The early clocks were made mostly of brass so they are big shiny metal things. With enough Lego's you could make your own working copy.
The Museum is in Greenwich England. Its at 51 degrees, 28 minutes 38 seconds north of the Equator but I don't remember what its longitiude is but its close to London.
I've always been partial to George Harrison. Odd that it was Ringo who played drums and kept the beat on time.
and how the hell do you know its solar noon?
Imperium et libertas
Autocracy and freedom