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74 pages of results. 221. Radiant Genesis [Books] [de Grazia books]
... These are the subjects of the present chapter. The Cenozoic, which we redefine as a period of explosive quantavolution, corresponding to the period of system breakdown, is the subject of Chapter Twelve; there the origins of human nature will be discussed (see also Table 6). The prevailing theory among scientists conjectures that a sequence of chance chemical combinations occurring over time produces the "self-replicating molecule" deoxyribonucleic acid (DNA). For the moment we pursue this idea of chance chemical combinations. In Solaria Binaria, the sac is the vat of chemical evolution. Its gases are hydrogen-rich but contain, by inheritance from the body of Super Sun, all simple ingredients found in life ...
222. Radioations [Books]
... to form the gas Helium (He). a- particles are thus essentially Helium nuclei. Atoms of radioactive substances which emit a-rays have their atomic number Z diminished by 2 (as they lose 2 protons) and their atomic weight (A ) reduced by 4 (loss of 2 protons and 2 neutrons). The new atom is chemically completely different from the original substance. Thus U23892 decays by emitting an a-particle to form the isotope of Thorium Th234904 This Thorium isotope is itself unstable and disintegrates further. B. When a nucleus contains too many neutrons, it may gain more stability by transforming one of these neutrons into a proton plus an electron. The electron emitted by ...
223. On The Origin Of Tektites [Journals] [Kronos]
... 11) Besides, as O'Keefe also makes clear, the difference between tektites and igneous rocks is not so drastically demarcated as to render them entirely incompatible. In fact, "a tektite generally resembles an unusually potassic intermediate igneous rock that has been diluted with too much SiO2."(12) "It has often been suggested that these chemical peculiarities are the result of a sedimentary origin: the excess silica is attributed to mechanical differentiation of a sediment, with enhancement of the quartz content; the general deficiency of alkalis to leaching; and the potassic character to the tendency of clays to hold potash. It is now clear that these arguments are not compelling; the moon can ...
224. Varves And Bok Globules (Forum) [Journals] [Aeon]
... While the globules are cold, Earth would still have received infrared radiation from the Sun. It is difficult to determine from the myths exactly what transpired during the age of darkness, but the capture of Saturn and Venus from a partly condensed cloud seems to fit what is known. As these frozen masses were eventually warmed by the Sun, chemical reactions would have set in. The first of these would have mainly consisted of various combinations with hydrogen. As an example, silicon hydride would have formed. This compound is flammable in the presence of oxygen and forms silicon dioxide. (This might explain the origin of sand which consists of crystals of SiO2.) These chemical reactions ...
225. Tuning in to Nature, by Philip S. Callahan (Review) [Journals] [SIS Review]
... , see the ultra-violet range that we cannot, and yet for the most part we obstinately continue to look at life from our own narrow point of view. Perhaps the worst thing that happened to biology was the advance in biochemistry. This led to reductionism and for a long time life and evolution have been thought of only in terms of chemicals and their functions. Fortunately several freer-minded biologists are scrambling out of that particular pond but this insightful book was a much earlier plea for taking a wider view. In relating the story of Tesla, the forgotten genius of electrical research, he points out the iniquities of establishment treatment of unorthodox researchers and the dangers into which scientific organisations have ...
226. Personal Notes [Journals] [Pensee]
... the biological implications of your theories. Most sincerely, Kimball S. Erdman Professor of Biology Slippery Rock State College Pennsylvania August 26, 1972 Dear Dr. Velikovsky, At the Symposium in Portland a biologist, whose name I cannot recall, questioned some of the precepts of mutation you had described. You had reiterated that heat, radiation and chemical agents may be individually or in concert responsible for mutation of species. Later I chatted with the biologist and described another agent which, up to now, may not have been seriously considered, and which I feel is of primary importance. Undoubtably chemical and radiation activity could be responsible for the generation of mutations, which may or may ...
227. Back to the Drawing Board? [Journals] [Kronos]
... alive and well and living on Venus. The third, perhaps crucial, Velikovskian prediction held that hydrocarbon and derivitive gases would be present in the Venusian atmosphere, and the first results seem to point strongly to confirmation of these expectations as well. Prof. Thomas Donahue, one of the Pioneer experimenters, described the Venusian atmosphere as "a chemical soup". He went on to express his belief that "there are some other chemicals present even more important than water vapor in inhibiting the escape of heat radiation". In 1963 Dr. L. D. Kaplan of NASA deduced the presence of hydrocarbons precisely because of their heat-reflecting properties! The most striking disclosure by Prof. ...
228. Kinetic Theory, Gravity, and Critical Fog [Journals] [Aeon]
... to have produced a near death experience for some who once honored the old man. Martin Gardner, competent when playing his own game, pronounced Bauer's book, Beyond Velikovsky, a fine work. Did Gardner read Bauer? Gardner is so fussy about precision and accuracy in logical matters that one would have expected him to review his physics and chemistry before giving approval to the simplistic work of a technician. Before I explode Bauer's "rigor", I want to explain the limitations of technicians in the Velikovsky debate. Being a good technician is a necessary condition to being scientifically cogent, but it is not a sufficient condition. The technician does dependable laboratory work. Such work, ...
229. The Geological History of the Earth [Books]
... the book, it is necessary to define most of them as precisely as possible. 1. Geology (from the Greek words ge = earth, and logos = discourse) is the science that studies the origin of the materials composing our planet, their nature, distribution, and different arrangements (or structures). The study of the chemical and physical properties of the Earth's materials (rocks) is called structural geology: it comprises geochemistry, petrology, crystallography, and mineralogy. The study of the changes in the distribution and arrangement of the Earth's materials is dynamical geology. This last may be divided into the study of: (a ) The physical principles and forces involved ...
230. Nuclear Reactions [Books]
... And References | III Nuclear Reactions 1. The disintegration (or radio-active decay) of unstable (or elements with emission of radiations. Such transformations (or transmutations) are called nuclear reactions. Nuclear reactions may also be produced by the splitting up of the nuclei of (even stable) atoms. This splitting up of nuclei will produce new chemical elements which are generally unstable and which will attain stability by normal decay. The `breaking up' (or rupture) of nuclei is called fission. Another kind of nuclear reaction consists in the combination of the nuclei of two chemically different atoms to form a new element which may be stable or unstable. Such a reaction is called ...
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