Pre-20th Century Gadgetery
The Byelorussian Hatter writes "Wired, presumably bored to death of Cellphones, Zunes, MairBook Nacs and what-have-you, looks back at the elegant inventions of a less civilized age. 'The Turk was a chess player concealed in a table packed with cogs and gears, contrived to give the appearance of a mighty chess-playing machine. Atop the table, an articulated automaton would be seen to make the moves determined by the master within. One of the 18th and 19th century's many illustrious hoaxes, the Turk is perhaps the greatest gadget that wasn't.'"
Maybe you should read the Book of Mormon sometime instead of websites that 'sum it up' for you. The Liahona just told them where to go and gave instruction, none of which involved battle strategy.
Magnetic underwear? I'm wearing the same type of underwear Mitt wears and I don't have a problem with small metallic objects following me around. Are you just mad because the garment center wouldn't sell you a pair?