John Muir was more than a great explorer and advocate of national parks—he was also an ingenious inventor.

INVENTIONS
Without nurses, we wouldn’t have a number of tools regularly used today in both hospitals and homes.
English craftsman John Wilkes created the clever gadget, currently displayed in Amsterdam's Rijksmuseum.
The achievements of these inspiring ladies are worth recognizing.
Because not every invention can be a home run.
Where would the Ferris Wheel, Cherry Coke, and IMAX be without them?
Stuck zipper? Let a Q-Tip assist.
Even if you’ve never heard his name, you’ve likely benefited from Morgan's most famous invention.
When Margaret Atwood got tired of long book tours, she developed a pen that would sign books for her long-distance.
The mechanisms inside wouldn't be widely seen again for thousands of years.
The mechanisms inside wouldn't be widely seen again for thousands of years.
Universal translators, tablet computer, and these other gadgets arrived even sooner than Star Trek's writers imagined.
From the man who died because of a failed parachute suit to the daredevil who perished in a stunt gone wrong, sometimes brilliance comes with a price.