From Chapter 4 of the book Super You – p.131
In the 1980s, physician inventor Rich Wampler visited Egypt and witnessed local workers using a hand-turned Archimedes screw to pump water up a river bank for irrigation. He realized that if a screw could move water against gravity, perhaps it could move blood against pressure.
Where to buy Super You: How Technology is Revolutionizing What it Means to Be Human
