[Darteaus94025]

They use a reactor fueled, in part, with Unobtanium.

[the_daug]

Name Unobtanium
Symbol Uo
Number 9201
Kinkiness moderate to high

Physical Properties

Melting point 2075 °C, or maybe 2075 °F
Boiling point -7440 °C, or maybe -7440 °F

[Seaplaner]

They use a reactor fueled, in part, with Unobtanium.

Very close.

Actually, it's updidasium (discovered in the '50s.)

.