Roentgen equivalent man has been defined since 1976 as equal to 0.01 sievert, which is the more commonly used SI unit outside the United States. A number of earlier definitions going back to 1945 were derived from the roentgen unit, which was named after Wilhelm Röntgen, a German scientist who discovered X-rays. The acronym is now a misleading historical artifact, since 1 roentgen actually deposits about 0.96 rem in soft biological tissue, when all weighting factors equal unity. Older units of rem following other definitions are up to 17% smaller than the modern rem. One rem carries with it a 0.05% chance of
The Amazing Race en Discovery Channel 2 If they found the book, they can exchange the book to receive the final clue. The Amazing Race en Discovery Channel 2 The Amazing Race en Discovery Channel is a Latin American version of the American reality television show "The Amazing Race". The second season featured eleven teams of two, with a pre-existing relationship, in a race across Latin America to win US$250,000. The second season premiered on Sunday 26 September 2010 at 11.00 p.m (). This was the final season to be aired in Discovery Channel Latin America. Mexican brothers Mauricio and Carlos Coarasa are the winners of the