Unobtainium is any very rare, expensive, or impossible material needed to suit a particular application.
Engineers have long (since at least the 1950s) used the term unobtainium when referring…
Portfolio of Jeffrey MacIntyre
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August 28, 2008
Unobtainium is any very rare, expensive, or impossible material needed to suit a particular application.
Engineers have long (since at least the 1950s) used the term unobtainium when referring…
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