Complete accuracy is not required. As long as the pill can be made to spin and the snapshot rate can be set, all is well. On 2006-Sep 07, at 15:03hrs PM, Sergey Dryga wrote: William Bulley umich.edu> writes: > > According to Patrick Murphy mts.net>: >> >> Would magnets be strong enough to be used (manually?) to feasibly >> move >> and steer the pill? > > That is hard to say. Given the bilateral symmetry of the human body > and the roughly two-dimensional aspect of the cross section of the > human trunk (we are more flat, in the abdomen, than round), It depends on the trunk! One recent example of changes in human anatomy/rpoportions is that today doctors often have to reconsider how they deliver subcutaneous injections because people have to thick fat layer and drugs get stuck in the fat. it might > be problematical to get the correct angle or "spin on the ball" (to > use a billiards term) in order to accurately control the "pill". I > don't know if there are more sophisticated ways to control a metallic > object with dynamic magnetic fields. I suspect that magnetic strength > is not the issue, but rather complete accuracy of control. > > Regards, > > web... > > -- > William Bulley Email: web umich.edu > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AGSC Augustus Gustavius Salvatore Calabrese 4337 Raleigh Street Denver, CO 720 222 1309 303 908 7716 cell adding " spam2006 " bypasses my spam blocker. Please place in the text or at the END of the subject line. ( i am hard to reach by phone ) All ideas, text, drawings and audio , that are originated by me, and included with this signature text are to be deemed to be released to the public domain as of the date of this communication . AGSC ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist