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Description
Earth, air, fire, and water: according to some ancient theories, these four elements made up the cosmos. Beginning with the work of the Greek philosopher Democritus, this Science Screen Report describes how an accurate atomic theory developed and led to awareness of a wide variety of elements. Specific examples showing different configurations of these basic units of matter-including graphite and diamond, both made of carbon-combine with animated...
Description
From the ancient Greek concept of "atomos" to today's fission and fusion technologies, this program guides viewers through the landscape of atomic theory and the hidden world of subatomic particles. Topics include the makeup of atomic nuclei and the factors that make them stable or unstable; the discovery and use of radioisotopes; and the difference between fission and fusion. Providing historical perspective, the video illustrates major discoveries...
Description
"Once scientists succeeded in identifying and organizing the 92 naturally occurring chemical elements, the challenge then became how to manipulate them into amazing new configurations--and how to tap their essentially limitless energy. A tale of struggle meeting serendipity and of accident meeting design, this program focuses on element-related flashpoints in modern science history: the discovery of molecular isomers, the discovery of carbon bonding,...
Description
Materials with properties copied directly from nature, manufacturing processes that rely on self-assembly, hyper-efficient energy production: these are some of the promises of nanotechnology. In this program, Nobel Laureate Alan J. Heeger and other leading researchers open their labs to viewers, displaying nanotech applications ranging from intelligent textiles and self-cleaning glass, to electron-spin transistors and flexible-screen OLED devices,...
Description
An elephant and a racing car don't have much in common-except for the remarkable fact that they're made of similar fundamental building blocks. This program takes a simulated subatomic look at a glass of water to better understand the nature of matter, a minuscule world of molecules, atoms, and elementary particles. The behavior of matter under the effects of gravity, electromagnetism, and the strong and weak nuclear forces; the process of scientific...
Description
One billionth of a meter, a distance the width of four silicon atoms: that's nanoscale, where a speck of dust would seem as large, relatively speaking, as a planet. This program travels around the world to immerse viewers in the concept of nanotechnology. By spotlighting nanotech luminaries-Harold Kroto, Gerd Binnig, James Heath, Sumio Iijima, James M. Tour-and innovations such as fullerenes, nano-cars, carbon nanotubes, and carbon nanohorns, From...
Description
Nanomedicine holds immense promise for enabling doctors to intervene in an illness or injury directly at the cellular level. Filmed in Europe, Asia, and the United States, this program shows viewers oncologic nanomarkers that can identify even tiny tumors with pinpoint precision; injectable intelligent delivery systems that can evade bodily and pathogen defenses to deliver targeted nanodoses of medicine without harming surrounding tissue; regenerative...
10) Nuclear energy
Description
Harnessing the power of the atom is a staggering technological achievement-but how is it done, exactly? This program guides viewers through the complex science and basic operation of a nuclear power station. Outlining the nuclear fuel cycle-including mining, milling, enrichment, fabrication, storage, and reprocessing-the video looks at specific mining procedures; discusses the structure and properties of uranium hexafluoride; highlights two enrichment...
Description
Alongside the glittery promise of nanotechnology sits a Pandora's box of potential concerns that range from worrisome applications like nano-enhanced surveillance devices and weapon systems to unintended consequences such as nanopollution and nanotoxicity. This program takes a balanced look at the debate over potential nanotech risks as it presents viewers with the informed opinions of advocates and opponents alike. A voyage of discovery that spans...
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