Understand Physics: Leonardo da Vinci’s Walk-on-Water Shoes

Start with a Good Idea: James Watt’s Apparatus for Administering Medicinal Airs

Write it Down: Robert Hooke’s Flying Machine Powered by Artificial Muscle

Give People What They Want: Thomas Edison’s Concrete Piano

Try Not to Be Too Weird: Nikola Tesla’s Earthquake Machine

Don’t Kill Your Customers: Henry Ford’s Flipping Fordson

Be on the Side of the Successful: George Washington Carver’s Miracle Peanut Cure

Be Sure the Market Is Ready: Alexander Graham Bell’s Six-Nippled Sheep

Have Adequate Funding: Elihu Thomson’s Quartz Telescope Mirror

Pay Attention to Details: Danny Hillis’s Paint Can Robot

Be Agreeable:  J. Walter Christie’s Flying Tank

Make Sure You Aren’t the Only One Who Thinks It’s a Good Idea: George Davison’s Popcorn Volcano

Please the Buyers and the Sellers: Jerome Lemelson’s Flying Balloon

Stick to What You Know, Mostly: Stanley Mason’s Chinese Tallow Tree Plantation

Avoid Accidents: Buckminster Fuller’s Fish-Shaped People Carrier

Have Perfect Timing: Leo Szilard & Albert Einstein's Howling Refrigerator