Found 140 - 150 results of 152 programs matching keyword "dry ice sublimates"
Join the Origins team as they travel to Antarctica. We sent Mary, Noel, Paul, and Julie to explore scientific wonders from McMurdo to the Pole. Learn all about the extreme science being conducted at the South Pole in a daily dispatch from Terra Australis Incognita! Exploratorium staff scientist, Dr. Paul Doherty, talks about his photos of Antarctica. Visit the Penguin Ranch and learn more about these fascinating creatures. In this special "holiday" edition of Iron Science Teacher, Paul Doherty joins our competition in the webcast studio live from Antarctica. Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week's "secret" ingredient: ice! In 1963 Benoit Mandelbrot introduced the fractal concept. Fractals are shapes or behaviors that have similar properties at all levels of magnification. Just as the sphere is a concept that unites raindrops, basketballs and Mars, so fractal is a concept that unites clouds, coastlines, plants and strange attractors.
Dr. Mandelbrot dropped in for a visit during our 2001 series of webcasts about Antarctica. We took some time out from the freezing cold to interview him.
In the Exploratorium Live@ studio, we welcome Dr. Karen Kalumuk, who will talk about life in extreme conditions. Exploratorium staff member Mary Miller is joined by Craig Dunne, a technician at McMurdo Station, to talk about extreme conditions. Exploratorium staff members Paul Doherty and Noel Wanner travelled to Mt. Erebus, a volcano in the Antarctica region, to join scientists doing experiments in the field. Watch as Exploratorium staff and local teachers compete for the title of Iron Science Teacher. Today's secret ingredient-dry ice! Watch as the best teachers on the planet battle it out for the title of Iron Science Teacher. In this zany competition teachers will have ten minutes to create a science activity. This week’s “secret” ingredient: ping pong balls!