Found 80 - 90 results of 149 programs matching keyword "sound recording in antarctica"
The science behind this musical instrument, including the concepts of sound, vibration, resonance, and amplification. An introduction to a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch. A detailed demonstration of how to make this primitive wind instrument using little more than a straw, two craft sticks, and some rubber bands. The science behind this instrument, including a discussion of how vibration produces sound, and how long, massive objects vibrate slowly and produce a low-pitched sound, while shorter, less massive objects vibrate quickly and produce a high-pitched sound. Hear more from scientists working on the Ice Cube telescope at the South Pole. Meet glaciologist Slawek Tulaczyk and his team, who work in the fast-emerging field of ice sheet dynamics. They speak to us just after returning from a month at a remote camp on the West Antarctic Ice Sheet. Watch as three giant helium balloons are launched above Antarctica to study climate history; listen as scientists talk about balloon research. Scientists at Palmer Research Station in Antarctica talk about their research: How is the rich marine ecosystem just offshore responding to melting sea ice and global climate change? Learn about the various projects and teams of people working on the South Pole Telescope. Join Exploratorium senior scientist Paul Doherty as he serves up more hands-on activities related to science in Antarctica.