Invisible wrote:
> OK, so I've been experimenting with Wolfram's Alpha thingy. Useful if 
> you happen to want to know how long 10^15 seconds is, if you want a 
> graph quickly, or if you want to look up the electrical resistence of 
> silicon. Not much use for anything else.
> 
> I did find some interesting information though...
> 
> Alpha claims that the current trading price for gold is approximately 


> t. (I had no idea Platinum was so expensive!)

A Troy ounce is 480 grains.  There are 7000 grains in a pound.  This 
makes a Troy ounce about 31.1 grams or so.

> I tried to get similar data for other substances, but Wolfram's "data 
> curators" evidently haven't got that far yet. I did find a website 
> though that claims that the London Metal Exchange has the following prices:
> 
>   Sn $14.325 / Kg
>   Ni $13.770 / Kg
>   Cu $ 4.776 / Kg
>   Pd $ 1.530 / Kg
>   Zn $ 1.509 / Kg
>   Al $ 1.384 / Kg

I'm rather surprised to see palladium going for $1.53 for a kilogram, 
rather than $240 or so per ounce like it does on other sites, so I'd 
have to say that Pd is really supposed to be Pb (AKA lead) above.

Regards,
John

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