How to Make a Time Capsule That Will Last 250 Years

This is a live story built from multiple sources. It may evolve quickly.

Coverage meter • 1 min window

Back to home Open top source

N nytimes.com

What’s included

Top recent items from this story.

1 items • 1 unique links

The New York Times - Science 4 days ago • nytimes.com

How to Make a Time Capsule That Will Last 250 Years

The America250 time capsule will hold dozens of historical treasures. Avoiding dampness and other dangers requires lots of engineering.

Open