Earth Probe Plan Would Blast a Path to the Core
A scientist proposes sending a grapefruit-size communication device into the heart of the Earth by blasting a crack in the surface and pouring in a huge quantity of molten iron. ..."When we fly to other worlds, we are often surprised by what we find, and I think the same will be the case if we go down." ...more...
oh.. after $10billion dollars and 3000kms we've discovered a) its really hot down there and b) it melted our probe!
hehe.. you said "probe"