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The Expo '70 time capsule is located near Osaka Castle, donated by Panasonic and the Mainichi Newspapers.It was opened for the first time in 2000, [13] and then the second time expected to be opened in 2100. [14]
It is widely debated when time capsules were first used, but the concept is fairly simple, and the idea and first use of time capsules could be much older than is currently documented. [2] The term "time capsule" appears to be a relatively recent coinage dating from 1938. [3] In Poland a time capsule dating to 1726 has been found. [4]
The time capsule is a metal container measuring 5.5 by 7.5 by 1.5 inches (140 mm × 191 mm × 38 mm), and weighing about 10 pounds (4.5 kg). It was first removed from its location in 1855, at which time its contents were cleaned and documented. Additional items were added to it at that time, and it was resealed in place. The capsule was again ...
Inside the centennial time capsule, officials found 15 artifacts dating back to 1924 and earlier, including a film of the 1921 groundbreaking for the memorial, the 1917 Declaration of War and a ...
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Many of us were granted an opportunity to create a time capsule in high school. It probably didn’t matter as much then, but unearthing it decades later brought a glorious sense of nostalgia and ...
Time Capsule I weighs about 800 pounds (360 kg), while Time Capsule II weighs about 400 pounds (180 kg). [5] Time Capsule I was made of a non-ferrous alloy called Cupaloy, created especially for this project. [6] Designed to resist corrosion for 5,000 years, the alloy was made of 99.4% copper, 0.5% chromium, and 0.1% silver. [7]
Pendray chose the name "time capsule" as it encapsulated within a container man-made objects and was intended to be opened in 61 centuries. [ 10 ] [ 11 ] A second capsule was created by Westinghouse for the 1964 New York World's Fair and an exhibit was set up to show the contents and history of the time capsules.