>>> I don't think they can ship the ingredients in a mixed state. Too much
>>> potential for a high-intensity fire.
>> I was under the impression that thermite is quite hard to ignite.
> 
> Not particularly, no.  From Wikipedia:
> 
> "Ignition of a thermite reaction normally requires only a simple child's 
> sparkler or easily obtainable magnesium ribbon, but may require 
> persistent efforts, as ignition can be unreliable and unpredictable."
> 
> That said, if you have a good fuse or a blowtorch, it can be ignited 
> quite simply, at least from the demonstrations I've seen on Mythbusters.

Not too much danger of a parcel in the mail accidentally getting 
blowtorched, I would think...

-- 
http://blog.orphi.me.uk/
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