There is a monument called the"Georgia Guidestones" that contain instructions on how to rebuild the world after an apocalypse in 8 different languages. It also serves as a sundial, calendar and a compass. atlasobscura.com/places/g…
Today I learned of Project SUNDIAL, a bomb designed to have a yield of 10,000 megatons. In other words, it would have been 670,000 times more powerful than the bomb dropped on Hiroshima. blog.nuclearsecrecy.com/2…
The reason clocks run clockwise is because it is the way shadows move across a sundial in the northern hemisphere. The first clocks were designed that way because people wee just used to it. mentalfloss.com/article/6…
The reason why clocks run clockwise. They do because in the Northern hemisphere that's how sundials cast shadow mentalfloss.com/article/6…
Until the 18th century, time was normally determined in each town by a local sundial. Time only became standardised with the introduction of railway travel as rail companies needed to have a correct timetable. en.wikipedia.org/wiki/Rai…
Clocks run from left to right because in the Northern hemisphere that's how sundials cast shadows (bonus: in an attempt to recover their cultural identity, Bolivians installed an anti-clockwise clock in their Congress building) hodinkee.com/articles/why…
Clockwise is the way that it is because sundials in the northern hemisphere that clocks replaced naturally rotate that direction. en.wikipedia.org/wiki/Clo…
The term "o'clock" is short for "of the clock" and dates to a time when sundials were more prevalent than clocks gizmodo.com/why-we-say-o-…
Today I Learned the Clocks Turned "Clockwise" Because of Sundials; As The Sun Moves Across the Northern Hemisphere's Sky, The Shadow it Casts Moves Clockwise, and The First Mechanical Clocks Simply Kept Up This Tradition mentalfloss.com/article/6…
The phrase "o'clock" is short for "of the clock" and comes from a time when people had to specify their time came from a clock instead of a sundial or other device. gizmodo.com/why-we-say-o-…
A moment was an actual medieval unit of time. The length of a moment was determined by the movement of a shadow on a sundial and hence varied throughout the year depend on the length of the day, but on average corresponded to 90 seconds. en.wikipedia.org/wiki/Mom…
The "Tower of the Winds" (in Athens) is considered to be the first ever meteorological station. It features eight sundials, a water clock and a wind vane en.wikipedia.org/wiki/Tow…
Clockwise Direction is the way it is because the predecessor of the Clock, the Sundial, was created in the Northern Hemisphere. The noon-mark of the dial, which points North, casts a shadow(Left to Right) based on the movement of the Sun(East to West) and has been the standard ever since. homepages.sover.net/~donn…
Benjamin Franklin designed the first American penny called the Fugio Cent. The coin was engraved with a sundial and the words "Mind Your Business". pennies.org/index.php/pen…
Clocks today move clockwise because sundials were first used in the Northern Hemisphere. en.wikipedia.org/wiki/Clo…
Most sundials commonly have quotes or mottos that express the sentiments of their makers or owners. en.wikipedia.org/wiki/Lis…
Bill Nye's Father was working as a contractor on Wake Island when it was captured by the Japanese on Dec 8, 1941, and spent the war as a POW. He spent time making sundials using a shovel to pass the time. huffingtonpost.com/entry/…
When Bill Nye The Science Guy's father was a POW in Japan during WWII for four years, he made sundials to figure out the latitudinal location of the prison camp. nndb.com/people/834/00003…
The Guiness World Record for largest timepiece goes to a "clock" with a diameter of 1.75 miles consisting of a 48-feet tower acting as a sundial during the day and three lasers during the night. en.wikipedia.org/wiki/Lis…
A clock's hands moving 'clockwise' was intended to imitate the way the shadow on a sundial in the Northern hemisphere moves during the day. en.wikipedia.org/wiki/Clo…
Sundials south of the equator run anti-clockwise. en.wikipedia.org/wiki/Sun…
Today I learned of Project SUNDIAL, a bomb designed to have a yield of 10,000 megatons. In other words, it would have been 670,000 times more powerful than the bomb dropped on Hiroshima. blog.nuclearsecrecy.com/2…
Bill Nye's father became a POW in WWII, became a sundial enthusiast due to the lack of electricity at the prisoner camp, and spent 3 years and 10 months in the camp - one of the longest durations of captivity ever. wwii-pows.mooseroots.com/…
World's largest stone sundial is in Jantar Mantar, Jaipur(India), a huge astronomical building built in early 18th century en.wikipedia.org/wiki/Jan…
The part of a sundial that casts a shadow is called a Gnomon en.wikipedia.org/wiki/Gno…
Had Sundials been developed in the Southern Hemisphere, our watches and clocks would run counter-clockwise en.wikipedia.org/wiki/Sun…
, there is a mind-boggling structure that functions as both a bridge and a giant sundial in Redding, California en.wikipedia.org/wiki/Sun…
Ninjas would determine the time of day by looking at the shape of a cat's eyes. In effect, they used cat's eye sundials. web-japan.org/museum/othe…
There is a Sundial Bridge in Redding California. This single-upright suspension bridge tells perfect time on summer solstice. The sundial face is so large the shadow travels 11 inches per second. Oh, plus the bridge deck is made of glass. en.wikipedia.org/wiki/Sun…
Bill Nye helped design a sundial for Mars that is used by Nasa en.wikipedia.org/wiki/Mar…
Bill Nye (taking after his father, inventor of the SandDial) helped in creating the MarsDial: A sundial NASA placed on Mars en.wikipedia.org/wiki/Bil…
There is an observatory from the 18th century in Jaipur in India which houses the world's largest sundial. travelinput.com/jantar-ma…
The Washington Monument's shadow moves ~4 feet per minute. In 1974, it was turned into a sundial. youtube.com/watch?v=_M5WX…
A Gnomon is the triangular blade that sits on top of a sundial casting a shadow. en.wikipedia.org/wiki/Gno…
Clocks turn "clockwise" because that was the direction horizontal sundials turned (in the northern hemisphere). en.wikipedia.org/wiki/Clo…
Bill Nye's father developed a love of sundials during his 44 months in a WWII POW camp billnye.com/telling-time/
Cannons rigged to sundials were used in 18th-century Europe to signal noon. en.wikipedia.org/wiki/Sun…

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