Found 10 - 20 results of 27 programs matching keyword "shadow field"
On August 1, 2008, a total solar eclipse occurred as the new moon moved directly between the sun and the earth. The moon's umbral shadow fell on parts of Canada, Greenland, the Arctic Ocean, Russia, Mongolia, and China. The Exploratorium's eclipse expedition team (our fifth!) Webcast the eclipse live from the remote Xinjiang Uygur Autonomous Region in northwestern China near the Mongolian border. In the summer of 2008, the only helicopter in Kangerlussuaq, Greenland, was effectively grounded by a diamond company, leaving scientists and logistics coordinators to frantically rearrange their field plans. For two days Summit Camp, Greenland experienced strong winds and blowing snow, making work, and even walking around camp, difficult. Glaciologist and Ice Stories correspondent Nadine Quintana Krupinski gives us a brief tour of her deep field camp on the West Antarctic Ice Sheet. On March 29, 2006, a total solar eclipse occurred as the moon moved directly between the earth and the sun. The moon's shadow fell on the earth, first darkening the eastern tip of Brazil, and then moved across the Atlantic Ocean to make landfall in Ghana, Africa. It continued moving northeast through Nigeria, Niger, Libya, Egypt, across the Mediterranean and into Turkey, where an Exploratorium team was waiting. A telescope-only view of the 2006 eclipse, as seen from Turkey. Join us in Chaco Canyon to think about what we can learn from watching shadows.
Watch as the square of light moves across the wall and niches at Rinconada.
Join the Exploratorium's Dr. Paul Doherty as he visits a "sculpture to observe the stars" in northern New Mexico, where the Sangre de Cristo Mountains meet the eastern plains. There artist Charles Ross is creating an art installation that is also a star observatory. This major earthwork has two main elements: the Star Tunnel, which allows you to walk through the entire history of the earth's changing alignment to our North Star, Polaris; and the Solar Pyramid, where one can visually experience an hour of the earth's rotation. Find out how yeast performs its biochemical transformation of a bit of flour and water into crusty, delicious bread. Explore the history of breadmaking around the world, and learn how bread has come to occupy such a central place in the cuisines of many nations. We'll bake some bread in our studio kitchen, play with yeast and glutens in our lab, and share recipes.