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.
President Obama wearing a Jorg Gray 6500 Chronograph. This watch was presented to President Obama by his Secret Service detail on August 2007, and the president has worn it almost exclusively ever since. It retailed for $210 at the Secret Service employee store, has a Japanese Miyota movement and is made in China.
The man's wristwatch was invented by Louis Cartier in the early 1900s for Mr. Alberto Santos-Dumont. Dumont was working on the development of aircraft and found a pocket watch inconvenient to look at while in the aircraft. He asked his friend Cartier to design a watch for him.