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.
Electrical resistance in the earthâs core wears down the electrical current which produces the earthâs magnetic field. That causes the field to lose energy rapidly. The total energy stored in the earthâs magnetic field (âdipoleâ and ânon-dipoleâ) is decreasing with a half-life of 1,465 (Â± 165) years.17 Evolutionary theories explaining this rapid decrease, as well as how the earth could have maintained its magnetic field for billions of years are very complex and inadequate.lectrical resistance in the earthâs core wears down the electrical current which produces the earthâs magnetic field. That causes the field to lose energy rapidly. The total energy stored in the earthâs magnetic field (âdipoleâ and ânon-dipoleâ) is decreasing with a half-life of 1,465 (Â± 165) years.