60-Second Symposium

First there was a gold card and a gold record. Then platinum records and cards. But Platinum's now a deodorant, so it's time to find a new prestige metal. We asked some experts.

Iridium is rarer, costlier and even more resistant to corrosion than platinum, and its name comes from iris, the rainbow, from the lovely play of color in iridium salts. I would love to carry an iridium credit card. --Dr. Oliver Sacks, author

There's going to be a reaction against all this weight-reduction jazz, and ponderous will be the fashion. What better metal as an emblem for that...

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