In article , Tim Williams says...

Yep. Has something to do with the plasma frequency...

"Why is a penny red?"

That child's question could not really be answered
until a very few years ago.

Ignoring the fact that pennies aren't much copper anymore....

Jim


--
==================================================
please reply to:
JRR(zero) at pkmfgvm4 (dot) vnet (dot) ibm (dot) com
==================================================