Read e-book online 101 Things You Don't Know About Science and No One Else Does PDF

By James Trefil Physics Professor

ISBN-10: 0395877407

ISBN-13: 9780395877401

James Trefil takes the reader on an exciting travel around the borders of present medical knowledge-from astronomy to genetics, from details expertise to cosmology, the nice contested questions that preoccupy researchers this day and should turn into headlines the next day to come. In based, witty three-page summations, Dr. Trefil "makes experience of technology for the remainder of us" (Washington Post).

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Can it be made in the laboratory for testing? Can it be manufactured in large quantities? Cheaply? Will it be absorbed by the body so that it actually gets to the site where it is supposed to work? And finally, will there be harmful side effects? Some of these questions can be answered at the CADD stage, but others (particularly the last) have to be answered through clinical trials. Oddly enough, the major effect of designer drugs may not be in medicine (as important as they will be there) but in our attitude toward the environment.

When you look at the buildings closely, however, you notice that they are all just different arrangements of a few kinds of bricks. Apparent complexity, underlying simplicity. The search for underlying simplicity has driven an enormously successful scientific enterprise that, by some reckonings, can be traced back two millennia to the Greek philosophers. In its modern incarnation, it burst on the scene at the beginning of the nineteenth century, when John Dalton suggested that although there are huge numbers of different kinds of materials in the world, they are all made from different combinations of a relatively small number of atoms.

The search for the ultimate nature of the material world has been a succession of realizations that each type of matter is made up of smaller, more fundamental units. Ordinary materials are made from atoms; atoms contain nuclei, which are themselves made from elementary particles; and these particles are made from quarks, which are more elementary still. As scientists worked their way down through this series of boxes within boxes, they found that at each new level you need more energy to learn about the nature of the particlesand much more money.

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101 Things You Don't Know About Science and No One Else Does Either by James Trefil Physics Professor


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