Jemison blasted into orbit aboard the space shuttle Endeavour on Sept. 12, 1992, the first woman of color to go into space. She was science mission specialist on a U.S.-Japan joint mission, and conducted experiments in life sciences and materials sciences. She also was co-investigator for a bone cell research project.
some magents can last for a 1000YEARS. meaning they lose about 1% per decade. 10x100=1000. Some magnets can last indefinately. obviously if all magnets lost their charge in a 1000YEARS we wouldn't be finding so many in nature.ome magents can last for a 1000YEARS. meaning they lose about 1% per decade. 10x100=1000. Some magnets can last indefinately. obviously if all magnets lost their charge in a 1000YEARS we wouldn't be finding so many in nature.
That is if the seal was good (vacuum still there when you open it) and it was stored out of direct sunlight or damp. If you follow the USDA recommended times and pressures the stuff will keep for 3 or 4 years from what I've seen, and then the seal on the lid goes away or the lid rusts out.