The America250 time capsule will hold dozens of historical treasures. Avoiding dampness and other dangers requires lots of engineering. By K. R. Callaway As the country’s 250th birthday approaches, ...

CC0 Usage Conditions ApplyClick for more information. Watch this instructional video to find out how you can make your own time capsule out of business reply ...

Watch this instructional video to find out how you can make your own time capsule out of business reply envelopes and other household supplies. Learn more: https ...