Nature can be an instructive guide for overcoming technological barriers. In 1969, the American engineer Otto Schmitt coined a term to describe the practice of science pulling from nature’s source ...

Arnel J. Cronkhite and his aeorplane at a 1911 automobile show in Cedar Rapids. One of the features of the March 13, 1911, automobile show was the flying machine invented and built by Cronkhite.

After a mysterious and lengthy disappearance, the historic patent documents for the Wright Brothers’ groundbreaking flying machine have finally resurfaced and are now at home in the National Archives ...

After a mysterious and lengthy disappearance, the historic patent documents for the Wright Brothers' groundbreaking flying machine have finally resurfaced and are now at home in the National Archives ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...