Here's a static version of the Cat-Camel: 1  Lace your fingers together and turn your palms to face outward in front of you. 2  Reach your arms as far as you can, curving your back and shoulders forward. 3  Hold for about 10 seconds.  Now release your fingers, and grab your wrists or fingers behind your back.
Eli Whitney had  two younger brothers, and also a younger sister.  His brothers were named Josiah and Ben, and his sister was  Elizabeth.
American inventor Eli Whitney best illustrates the rise of industrialism with his invention of the cotton gin and his development of interchangeable parts for muskets. Whitney invented the cotton gin in 1793. It is a machine that rapidly removes cotton plant seeds from the valuable cotton fiber used to make thread and fabric.