All About Light : From lenses to lasers

All About Light From Lenses to Lazers: covers inventions for communicating, viewing and imaging from ancient lighthouses lit by flames; through the first lenses for spectacles, microscopes and telescopes, and the development of the camera and movie projector; to X-rays, scanners and ultrasound, and sonar, radar and lasers.All these triggered discoveries and practical uses. So, Galileo was the first to see the four big moons of Venus, through his telescope; Marie Curie ordered mobile X-ray units for the World War I battlefield: and Explorer 6 was the first satellite to take pictures of Earth in 1959.Incredible Inventions takes a lively, sweeping look at some of the most important light-bulb moments in history.You ll see how one idea often led to another, and revealed something new and exciting about our world.The four books provide a road map of inventions, divided along the lines of optics; movement; communications; and agriculture/industry.Dotted throughout are inventors hilarious flops and oddities, too.Feeling brave? How about a ride in an aerial steam carriage!