helps students see where energy comes from, how it is used, and what they can do in their own room to conserve it.
See historical recreations of great moments in low-temperature research and hear interviews with historians and scientists that reveal how civilization has been profoundly affected by the mastery of cold.
is a self-contained book-on-the-web course on basic astronomy, Newtonian mechanics, the sun (and associated physics), and spaceflight and spacecraft.
Makeshift labs in China and Russia are turning out synthetic gemstones that rival natural diamonds. Learn what a dirty bomb is and see Washington and London attack scenarios played out by radiation experts. Learn about 2,000 years of human effort to be safe from fire, including such inventions as the automatic sprinkler. Pyrotechnists use hi-tech firing systems and ancient alchemy to create dazzling fireworks displays. Discover the compelling story of 20th-century chemist Percy Lavon Julian, a world-class scientist and civil rights pioneer who helped break new ground in the chemistry of plants. Explore the science of explosions - from fireworks to building demolitions. Learn about scientists' efforts to add to the Periodic Table of the Elements. Learn about the chemical nature of the universe and how the cosmic microwave background may help reveal how the universe began. Join the hunt for hardy microbes that flourish in the most unlikely places and the investigation of comets as possible sources for the ingredients for life.Hear the story of the chance discovery of an entirely new form of carbon -- a soccer-ball-shaped molecule called a Buckyball.
highlights some the most spectacular discoveries in science and technology during the 20th century. The site includes an Educator's Guide with activities, discussion questions, and information for using A Science Odyssey in the classroom. A resource list supplies information on books, websites, and other videos related to the programs or activities.
looks at the science behind food and cooking. Learn about what happens when you eat sugar, bake bread, cook an egg, or pickle foods. Find out how muscle turns to meat, what makes meat tender, and what gives meat its flavor. Take tours of breads and spices of the world. Explore your sense of taste and smell.
displays the elements by atomic number and describes the history and sources of each element, as well as its properties and uses.