The U.S. is burying time capsules across the country to mark the nation's 250th birthday, with one official capsule sealed until 2276 containing items like a UC Berkeley quantum computing chip. Cities are also opening decades-old capsules from 1976 and earlier, revealing artifacts and sometimes facing preservation challenges from water damage.
·A national time capsule sealed until 2276 includes a quantum computing chip and represents America's 250th anniversary
·Multiple time capsules are being buried in cities nationwide as part of America 250 celebrations
·Philadelphia is preserving both short and long-term capsules for the bicentennial milestone
·A 1976 time capsule was recently unearthed by city officials
·Water damage and restoration work are needed after opening a Menomonee Falls capsule
drawn from The New York Times, Yahoo, Billy Penn at WHYY, Channel 3000 · updated 1h ago