... of meat, sugar, canned goods, shoes and gas. Victory Gardens were planted in every vacant lot. Families participated in the recycling of animal fat, cans, paper, cigarette and gum foil, and every type of scrap metal so that those materials could be used for the ... Floyd Carlson invented xerography in 1938. Xerography makes paper copies without using ink. L. Robert Hutchings Goddard launched the first rocket with a pivotal motor on gimbals using his gyro control device. He lived in Roswell, New Mexico. M. Ida Henrietta Hyde, an American physiologist, invented the microelectrode in the ....

• Word Count: 8316
• Approx Pages: 33
• Grade Level: High School