Lithium Batteries

Lithium Batteries

(alt-text)

I'm normally a pretty frugal person, but I still compulsively buy any R/C aircraft that's less than $30. In the last few years, this has become a problem.

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—out now. Order it here!