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It is also used in optic fibers because of its ability to reflect a high percentage of light
000 casualties on both sides and inspired President Abraham Lincoln's renowned Gettysburg Address
Discovered by Friedrich Oskar Giesel in 1902
Thorium is silvery and tarnishes black when it is exposed to air
Chromium is capable of creating compounds that create vivid colors such as red
SR-71 Titanium Historical Artifacts It is also used inThe SR 71 was engineered by Lockheed and the Skunk Works division to be a long range reconnaissance jet capable of flying at an altitude of 85,000 feet. Because of it's tremendous speed (Mach 3. 2+ or 2,464 MPH), not a single SR 71 was shot down during service. This high speed also required that the aircraft be constructed with a special titanium alloy.
