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Perhaps this explains the American Express Centurion Card (aka "Black Card") which is made from anodized titanium--its weight is immediately noticeable. http:/
by sstrudeau 17y ago
Perhaps this explains the American Express Centurion Card (aka "Black Card") which is made from anodized titanium--its weight is immediately noticeable.
http://en.wikipedia.org/wiki/Centurion_Card http://en.wikipedia.org/wiki/Centurion_Card
- helveticaman 17y agoIt would have been even cooler to have made it out of tungsten. Specific gravity for titanium: 4.506. For tungsten, 19.3.
- eru 17y agoOr gold which is even heavier.