I looked at this as Senior Thesis project in Engineering College. One of the problems was the so-called Coriolis forces acting on the fluid. These forces would be nil at the equator and on the Poles.
Does the author know of the guy who tried this in a mine shaft in So. America?
Robert L Hamilton, Engineer
posted by Robert Hamilton
April 20, 2009
JSTOR, the online academic archive, now contains complete back issues of American Scientist from its inception in 1913 (as Sigma Xi Quarterly) through 2005.
The table of contents for each issue is freely available to all users; those with institutional access can read each complete issue.
View the full collection here.
A free daily summary of the latest news in scientific research. Each story is summarized concisely and linked directly to the original source for further reading.
An early peek at each new issue, with descriptions of feature articles, columns, Science Observers and more. Every other issue contains links to everything in the latest issue's table of contents.News of book reviews published in American Scientist and around the web, as well as other noteworthy happenings in the world of science books.
To sign up for automatic emails of the American Scientist Update and Scientists' Nightstand issues, create an online profile, then sign up in the My AmSci area.