"Popular Mechanics is an American magazine devoted to science and technology. It was first published January 11, 1902 by H. H. Windsor, and has been owned since 1958 by the Hearst Corporation. There are nine international editions, including a Latin American version that has been published for decades and a newer South African edition." source Wikipedia
Sketches
Full original version
Final cut version
Printed final version
I am really thankfull to the Senior Art Director Peter Herbert and to all editorial staff to have chosen my "hand" to illustrate this article for the April issue.
To this link you can see a free preview of the number.