Millennial Time Capsule
2020.009.001
The MIT Museum has news clippings on or photographs of the following time capsules on campus:
1939 Cyclotron, underneath magnet
1957 Compton Laboratories time capsule to be opened in 2957
1966 McDermott Court, under Great Sail sculpture
1982 EG&G Educational Center
1990 UROP Anniversary time capsule to be opened in 2020
1991 Charles Vest Inaugural time capsule (Killian Court, near Henry Moore sculpture)
1999 LCS anniversary to be opened in 2033 unless its cryptographic puzzle is solved earlier -- solved April 2019 and opened in May 2019
2000 Building 20 time capsule in Stata Center
We also have a list containing these entries with no further information:
1916, new campus
1931, George Eastman Lab
1972, Electrical Engineering -- Fairchild
1985, Weisner Building/Media Lab
There are almost certainly more which we aren't even aware of!