EDUCATION : LAUNCH POINT : This week’s subject: Light

What travels 186,000 miles in a second, produces rainbows and can be used to create laser beams for surgery or for sending messages around the world? Light not only allows us to see a spectrum of colors, but also can be used to perform surgery and power solar energy panels. Discover the many uses of light as you learn about what light is and how vision works through the direct links on the Times’ Launch Point Web site.

Go to: https://www.latimes.com/launchpoint/.