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Economic policy and planning (general) --- France --- Economic policy --- Politique économique --- 338.26 <44> --- FR / France - Frankrijk --- 330.581 --- Experimenten. Plannen. --- Politique économique --- Experimenten. Plannen --- Aménagement du territoire
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Chaque année, l'Académie pontificale pour la vie propose, dans le cadre de son assemblée générale, un congrès sur un thème de particulière importance en matière de recherche biomédicale ou de bioéthique. Le congrès de 2009 portait sur " les nouvelles frontières de la génétique et les risques d'eugénisme ". Face à une problématique d'une telle portée, il est évident que l'espace ne peut être limité à la seule sphère biomédicale, mais doit nécessairement s'étendre au-delà, touchant aussi le jugement éthique et moral.
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Physics has the reputation of being difficult to understand and remote from everyday life. Robert Ehrlich, however, has spent much of his career disproving these stereotypes. In the long-awaited sequel to 'Turning the World Inside Out and 175 Other Simple Physics Demonstrations', he provides a new collection of physics demonstrations and experiments that prove that physics can, in fact, be "made simple." Intentionally using "low tech" and inexpensive materials from everyday life, 'Why Toast Lands Jelly-Side Down' makes key principles of physics surprisingly easy to understand.After laying out the basic principles of what constitutes a successful demonstration, Ehrlich provides more than 100 examples. Some of the more intriguing include: Terminal Velocity of Falling Coffee FiltersSpinning a PennyDropping Two Rolls of Toilet PaperAvalanches in a Sand PileWhen to Add the Cream to Your CoffeeDeep Knee Bends on a Bathroom ScaleRecoil Force on a Bent StrawSwinging Your Arms While WalkingEstimating the Net Force on a Moving Bookand, of course, Why Toast Lands Jelly-Side Down.The book begins with a practical introduction on how to design physics demonstrations. The benefits of designing one's own "demos" are numerous, but primary among them is an increased understanding of basic physics. For many people who teach the principles of physics, demonstrations seem dauntingly complex, filled with hard-to-find equipment and too many possibilities for failure. The demonstrations described in this book are exactly the opposite. Ehrlich describes them with characteristic candor: "You can fit many of them in your pocket, bring them to your class without any set-up required, and best of all, you need not fear that your demo will more likely illustrate Murphy's laws rather than Newton's."For anyone with even the slightest interest in physics, 'Why Toast Lands Jelly-Side Down' is filled with learning opportunities. For everyone who is studying physics or teaching the subject at an
Laboratory techniques in physics --- Physics --- Experiments --- 53 --- experimenten --- fysica --- Experiments. --- Physics - Experiments
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