Found 0 - 3 results of 3 programs matching keyword "colored leds"
Not all shadows are black. Red, green, and blue lights shine on this wall, combining to make white. As you move in front of the wall, your body can block one, two, or all three of the lights, resulting in shadows of various colors. Tinkerer, programmer, and musician Ken Murphy shows how to build electromechanical "bugs" built from scavenged materials and powered with a single coin-cell battery. When the Blinkybug's wire antennae detect motion from air currents or vibrations, the bug comes to life, with its LED eyes blinking in rhythmic patterns. Dr. Paul Doherty scours the globe for the world's greatest science demonstrations. Here he partners with Dr. Gorazd Planinsic, frequent contributor to Physics Teacher magazine, active in international physics education, and illustrator of physics text books. Watch this webcast, follow the links to the 'recipes,' then try it yourself!