Stevenson, David J. Mission to Earth’s Core -A Modest Proposal. Nature, 423, 239-240, 2003.

... Earth’s interior is opaque to electromagnetic signals with periods less than the mission timescale, and neutrinos are difficult to use, so acoustic communication is best. ...

• Stevenson DJ.  Planetary science: Mission to Earth's core--a modest proposal.  Nature. 2003 May 15;423(6937):239-40.
  • http://web.gps.caltech.edu/faculty/stevenson/coremission/index.html
  • http://web.gps.caltech.edu/faculty/stevenson/coremission/mission_to_core_(annot).pdf
• A Modest Proposal (Wikipedia)

via http://www.boingboing.net/2009/04/15/excursion-to-the-cen.html

-- IanHolmes - 16 Apr 2009