This results in a temperature of 713 K, or 824Â° F, a change of 413Â° C or 744Â° F, which would cause. fires and severe burns for anyone facing the blast. However, anything in the shade of the nuclear. device would only be exposed to the ambient 80Â° F temperature.
The internet suggests only one answer and that is a Timex Indiglo worn by Pres. G. W. Bush. I cannot verify the veracity of this. I have seen several different timepieces on Pres. Elect Obama's wrist. They are not identifiable in videos and still photos I have seen but appear to have two or three common features.
Those 2 decisions set the precedent for the use of presidential portraits in spite of George Washington's original insistence that coins should never carry portraits; he felt that it was similar to the practice of putting the King's image on a coin like they did in England.