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" ... Alkane Resources, the original owner of the Dubbo project, spent more than 20 years trying to find a way to commercialize its discovery, which is rich in zirconium (used in ceramics), niobium (used in specialty steel), rare earths, and hafnium (used in nuclear power station control rods), as well as titanium and uranium. ... "
" ... Although it never flew, Petty notes that the ill-fated program did advance our efforts in better understanding “the challenges a hypersonic lifting vehicle would face as it returned from orbit.” He writes that “exotic materials such as zirconium, carbon, molybdenum, and columbium that Boeing intended to use on the vehicle,” were tested by the air force in 1961. In the end, NASA’s space shuttle program arguably benefited most from the research done during the rocket plane years, as Petty notes. ... "
" ... The new tribute watch recalls the original dial with luminous markers, but the timepiece is now made of the brand’s proprietary Ceratanium® instead of zirconium oxide ceramic. Developed by IWC, the material is light weight but incredibly hard and scratch-resistant thanks to multiple steps involved in its manufacture. The case components begin as machined pieces of a special titanium alloy. The parts are then heat treated in a firing process that transforms the material and alters its look and properties to resemble ceramic. ... "
" ... Typically, zirconium and hafnium are contained in zircon at a ratio of about 50 to 1. ... "