Zen Hansen 11/6/22 Zen Hansen 11/6/22

Human Hair is a High Performance Fiber

Human hair consists of a tough keratin protein that is solid yet flexible, lightweight, absorbs oil and water, provides thermal insulation, and its tensile strength is similar to steel.

Zen Hansen 12/31/21 Zen Hansen 12/31/21

Human Hair Hygrometer

NEWSPAPER ARCHIVES

In the early 1940’s during WWII, it is reported that over 5,000 American women trimmed and donated their long blonde locks as part of a scientific war effort. Human hair being the main material needed to make hygrometers in atmospheric weather transmitters.