They're looking for Adamantine.
That's a general and/or fictional substance. Did you mean:
a) Adamantium: Wolverine's metallic skeletal covering (fictional)
b) Adamantite: A metal found in the Outlands in World of Warcraft. (fictional)
c) Adamantane: A big hydrocarbon known for its interesting diamond-like structure. (real)
"The first plausible use for the plug computer is to attach one of these gizmos to a USB hard drive. Voila, you've got a network server. Cloud Engines, a startup, has in fact built a $99 plug computer called Pogoplug, that will let you share the files on your hard drive, not only in your home but also anywhere on the Internet.
Those who can, do; those who can't, write. Those who can't write work for the Bell Labs Record.