Black Widow Spins Web to Help Build Weapons for U.S. Army (Nov, 1953)
Black Widow Spins Web to Help Build Weapons for U.S. Army
The black-widow spicier above is a defense worker. Its web filaments are used by Northrop as cross hairs in microscopes and telescopes for Army tank sights. Tougher than steel, they are so fine that 5,000 of them laid side by side take up only an inch.
At left, the spider is having a health check in the plastic box where it lives between jobs. At right, it has climbed out on a stick and is about to be shaken loose. As the spider falls on its back to the floor, it will spin a six-foot strand.