See some of the world's greatest gadget disasters from the palm of your hand. Find out how each gadget failed, what went wrong with its design or manufacture, and what programmers learned from their mistakes.
See some of the world's most messed-up medical mishaps at a microscopic level. Find out how each procedure, tool, or surgery failed, the basic science that was missed, and what doctors learned from their mistakes.
"A science biography that examines the life and work of Leonardo da Vinci and offers kids the opportunity to make their own designs and inventions with hands-on activities"--Provided by publisher.