Nikola Tesla film in his laboratory in previous experiments (later identified as ""Roentgen rays"" or "X-Rays"). His early experiments were with Crookes tubes, a cold cathode electrical discharge tube. Tesla may have inadvertently captured an X-ray image—predating, by a few weeks, Wilhelm Röntgen's December 1895 announcement of the discovery of X-rays when he tried to photograph Mark Twain illuminated by a Geissler tube, an earlier type of gas discharge tube. The only thing captured in the image was the metal locking screw on the camera lens. In March 1896, after hearing of Wilhelm Röntgen's discovery of X-ray and X-ray imaging (radiography), Tesla
The Amazing Race en Discovery Channel 2 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 race. Discovery Channel greenlit the second installment on November 2009. Race locations were scouted in