Found 10 - 20 results of 64 programs matching keyword "led light activity"
Newton wasn’t really ready to believe that light was a wave, and so he didn’t see what was in front of his eyes. Staff physicist Paul Doherty tells how to do the same experiment that Newton did back in the 1650s to see the wave nature of light.
This After Dark event featured a special installation of the Cubatron by Bay Area artist and engineer Mark Lottor. A visually stunning favorite of music and art festival audiences, the Cubatron is a 3–D light sculpture made from 8–x–8-foot modular cubes, each containing 1,000 individually programmable RGB LEDs. Viewed from any direction—even underneath—the Cubatron’s thousands of programmed pixels paint exquisite arrays of color that cascade in spectacularly dynamic patterns. Most things won't burn on Mars—after all, the main ingredient in the Martian atmosphere, carbon dioxide, is used in fire extinguishers on earth. So how would one create fire without oxygen? Use metal!This slow motion footage shows magnesium burning within a block of dry ice.
Staff Neuroscientist Richard Brown demonstrates that the Giant Mirror reflects infrared radiation as well as visible light. Cheer on the competitors in this zany science cook-off. Teachers compete before a live audience at the Exploratorium for the revered title, "Iron Science Teacher." This week's secret ingredient: batteries. In conjunction with this summer's special exhibition Reflections, Exploratorium Senior Scientist Paul Doherty joins us for a hands-on Webcast. What effect does looking through two mirrors have on an image? Or three mirrors? TI staff educator Eric Muller hits me up for change, and then demonstrates a neat science activity using dry ice.
An introduction to the cuica (pronounced KWEE-kah), a small friction drum used in Brazil's Carnival parade. A detailed demonstration of how to make this small friction drum, including a discussion of materials needed and how different kinds of materials make for cuicas that produce different sounds. The science behind this musical instrument, including the concepts of sound, vibration, resonance, and amplification.