Introducing the ultra-lightweight Hoover Evolve Pet Elite cordless vacuum. Shop now on Hoover.com! | Hoover Vacuums North America

From reshaping vision in eye surgery to defending against drones and linking satellites in orbit, lasers are redefining precision and power across critical fields. They exemplify how a single enabling technology can accelerate breakthroughs while raising new risks and dependencies. With applications spanning both civilian and military domains, the central challenge will be how U.S. policy manages its growth, safeguards the environment, and maintains global leadership. Developed in collaboration

James Murray Spangler was an asthmatic janitor in Canton Ohio who in 1907 built a machine that would transform cleaning. His work in a department store stirred up dust that worsened his breathing, so he used a ceiling fan motor, a soap box, a broom handle, and a pillowcase to create the first portable electric vacuum cleaner. After patenting his electric suction sweeper in 1908, he showed it to his cousin Susan Hoover and her husband William Hoover, who helped form the Electric Suction Sweeper C