Download E-books The Mystery of Life's Origin: Reassessing Current Theories PDF

By Walter L. Bradley, R Charles B. Thaxton

PARTIAL record OF key words: panspermia; biogenesis; adsorption; aldehydes; racemic blend; aminoacyl; S. Arrhenius; okay. Bahadur; biomonomers; biuret response; G. R. Carruthers; proteinoids; chemical soup; clay minerals selling polymerization; concerto impact; Francis Crick; cyanate; cyanoacetylene; pyrimidine synthesis; cyanamide; cyanogen; dicyauamide; dipeptide; prebiotic; enthalpy; falsifiability; Fermi-Dirac; FisherTropsch synthesis; formate; heterocyclic bases; adenine synthesis; cytosine synthesis; synthesis through electon beam; thymine synthesis; ionic energy; LeChatelier's precept; lipid vesicles; Maxwell demon; methylene cross-linkages; Micelles; microspheres; Harold Morowitz; etc., and so forth.

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Download E-books The MiG 23 Mystery in Soviet Skies PDF

By Jiri Hornat

The nice show staged by means of Soviet aviation on 19 July 1967 in Domodyedovo culminated in creation of 4 prototypes of a previously completely unknown heavy two-engine jet fighter airplane. the virtually typical characteristic of all Soviet supersonic plane as much as that point was once delta wings or a minimum of significantly swept-back wings and, therefore, it was once fairly astounding to work out wing surfaces with a comparatively small sweepback and a substantial intensity of profile alongside the full size on an airplane which, because the neighborhood commentator claimed, attained speeds at the order of Mach three. firstly sight the hot fighter airplane resembled the heavy American fighter aircraft-Ат5 Vigilante. Its nearly sq. fuselage and the bizarre form of the consumption ports have been really equivalent to the North American layout, however it quickly grew to become visible that either the thickness and span chord ratio in addition to that oE the vertical empennage parts of the Soviet style have been a lot smaller. the recent airplane differed from the Vigilante additionally by way of the variety of rudder tails projecting from the higher corners of the rear a part of the fuselage and deflecting outward at a comparatively sharp attitude.

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