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Elijah Reed
Elijah Reed

Time Capsule

Contrary to popular imagination, time capsules do not have to be buried. A good time capsule -- one that successfully preserves its contents before it is next opened after a planned period of time -- requires only:

Time Capsule

In other words, storage considerations for a good time capsule are not very different from those for good storage in general. The main point of distinction is that general storage takes into consideration regular or occasional access to the contents, whereas a time capsule is intended to stay closed and undisturbed until it is opened after a certain period of time. The objective in both situations, however, is the same: that the contents remain in as good a state of preservation as possible.

Even with a good storage container and location, which certainly help to minimize the chemical processes that result in deterioration, materials will still decay if they are inherently unstable. Furthermore, deterioration of one material in the time capsule can lead to deterioration of the other materials contained in the time capsule, since they are in a limited, closed space together. Well-preserved time capsules require careful consideration of what materials are included. Some considerations:

A time capsule is a historic cache of goods or information, usually intended as a deliberate method of communication with future people, and to help future archaeologists, anthropologists, or historians.[1] The preservation of holy relics dates back for millennia, but the practice of preparing and preserving a collection of everyday artifacts and messages to the future appears to be a more recent practice. Time capsules are sometimes created and buried during celebrations such as a world's fair, a cornerstone laying for a building, or at other ceremonies.

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]Around 1761, some dated artifacts were placed inside the hollow copper grasshopper weathervane, itself dating from 1742, atop historic Faneuil Hall in Boston.[4]A time capsule dating to 1777 was discovered within a religious statue in Sotillo de la Ribera.[5] A time capsule was discovered on November 30, 2017, in Burgos, Spain. A wooden statue of Jesus Christ had hidden inside it a document with economic, political and cultural information, written by Joaquín Mínguez, chaplain of the Cathedral of Burgo de Osma in 1777.[6]A time capsule from the era of the American Revolution, dating to 1795 and credited to Samuel Adams and Paul Revere, was temporarily removed in 2014 from the cornerstone of the Massachusetts State House in Boston.[7] It had been previously opened in 1855, and some new items had been added before it was reinstalled.[7] It was ceremonially reopened in January 2015 at the Museum of Fine Arts Boston, with specific restrictions on media coverage, to preserve the fragile artifacts.[8] The contents were displayed there briefly, and then reinstalled in their original location.[7][9] It is the oldest known time capsule in the United States.

In 1901, a time capsule was placed inside the head of the copper lion ornamenting the Old State House in Boston. It was opened in 2014, during repairs to the sculpture and building, with plans to add new artifacts and reinstall it in its original location.[11]

The Detroit Century Box, a brainchild of Detroit mayor William C. Maybury, was created on December 31, 1900, and scheduled to be opened 100 years later. It was filled with photographs and letters from 56 prominent residents describing life in 1900 and making predictions for the future, and included a letter by Maybury to the mayor of Detroit in 2000. The capsule was opened by city officials on December 31, 2000, in a ceremony presided over by mayor Dennis Archer.[12][13]

A time capsule labelled "Kan aabnes i 2012" ("Can open in 2012" in Norwegian) was sealed in 1912 in Otta, Norway. The capsule was opened as part of a ceremony 100 years later in 2012. Despite the large excitement over the capsule's opening and a preceding ceremony, its contents (which included notebooks, newspaper clippings, and community council papers) were met with disappointment.[14]

The Crypt of Civilization (1936) at Oglethorpe University, intended to be opened in 8113, is claimed to be the first "modern" time capsule, although it was not called one at the time.[citation needed] During the socialist period in the USSR, many time capsules were buried with messages to a future communist society.[15]

The 1939 New York World's Fair time capsule was created by Westinghouse as part of their exhibit. It was 90 inches (2.3 metres) long, with an interior diameter of 6.5 inches (17 cm), and weighed 800 pounds (360 kg). Westinghouse named the copper, chromium, and silver alloy "cupaloy", claiming it had the same strength as mild steel. It contained everyday items such as a spool of thread and doll, a book of record[16] (description of the capsule and its creators), a vial of staple food crop seeds, a microscope, and a 15-minute RKO Pathé Pictures newsreel. Microfilm spools condensed the contents of a Sears Roebuck catalog, dictionary, almanac, and other texts.

The 1939 time capsule was followed in 1965 by a second capsule at the same site, but 10 feet (3.0 m) to the north of the original. Both capsules are buried 50 feet (15 m) below Flushing Meadows Park, site of the Fair. Both the 1939 and 1965 Westinghouse Time Capsules are meant to be opened in 6939.

The International Time Capsule Society was created in 1990 to maintain a global database of all known time capsules. The Not Forgotten Digital Preservation Library maintains a current map and register of domestic and commercial time capsules.

According to time capsule historian William Jarvis, most intentional time capsules usually do not provide much useful historical information: they are typically filled with "useless junk", new and pristine in condition, that tells little about the people of the time.[19] Many time capsules today contain only artifacts of limited value to future historians. Historians suggest that items which describe the daily lives of the people who created them, such as personal notes, pictures, videos and documents, would greatly increase the value of the time capsule to future historians.

If time capsules have a museum-like goal of preserving the culture of a particular time and place for study, they fulfill this goal very poorly in that they, by definition, are kept sealed for a particular length of time. Subsequent generations between the launch date and the target date will have no direct access to the artifacts and therefore these generations are prevented from learning from the contents directly. Therefore, time capsules can be seen, in respect to their usefulness to historians, as dormant museums, their releases timed for some date so far in the future that the building in question is no longer intact.[19]

Historians also concede that there are many preservation issues surrounding the selection of the media to transmit this information to the future.[19] Some of these issues include the obsolescence of technology and the deterioration of electronic and magnetic storage media (known as the digital dark age), and possible language problems if the capsule is dug up in the distant future. Many buried time capsules are lost, as interest in them fades and the exact location is forgotten, or they are destroyed within a few years by groundwater.

The 1947 docudrama The Beginning or the End is a semi-historical account of the creation of the first atomic bomb during World War II. The film begins with staged newsreel footage of the scientists and officers involved in the project (played by actors) burying a time capsule in Redwood National Forest in California. The capsule contained a copy of the film, along with a projector to view it on, and instructions for its operation set on a metal sheet. The purpose of the capsule was in line with the film's title, about whether humanity will destroy itself now that it has the ability to, or whether it will rise above war as a whole and come together to use nuclear power for greater purposes. The film can be seen as an example of Cold War propaganda.[20]

Commercially manufactured sealable containers are sold for protection of personal time capsules; some of the more durable waterproof containers used for geocaching may also be suitable. Many underground time capsules are destroyed by groundwater infiltration after short periods of time;[24] caches stored within the wall cavities of buildings can survive as long as the building is used and maintained.

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Memories and treasures should last a lifetime and be passed on to future generations. Family activities like making a time capsule are a great way to share memories and help children learn some science.

Time capsules are meant to preserve things over time, so this is an opportunity for some basic preservation science! All materials decay, but some deteriorate very, very slowly and others very fast. The amount and speed of damage depend on:

Most objects are easily damaged if they rattle around with other items. Enclosures will help prevent this damage, but think about weight and movement. Fill the time capsule with the strongest, heaviest objects first, working up to the lightest and most delicate. If your capsule will include folded or fragile items, protect them from the weight of other objects by putting them in boxes, or putting them in the top layer of the capsule and thoroughly padding them to protect them from heavier items. If the time capsule is not completely full, you can use crumpled archival tissue to pad between layers and to fill the top space. Store the capsule upright, and handle it gently. 041b061a72


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