By James Randi
During this amazing encyclopedia, James Randi casts his cynical eye at the doubtful genes of the occult and the supernatural. With 666 entries and 1000s of illustrations all through, this ebook examines the shady global of manipulators, occultists, and shamanists in microscopic aspect. issues comprise Jeane Dixon's lengthy string of failed predictions, the frilly hoax surrounding the secret of the Abominable Snowman, and lots more and plenty extra.
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Extra info for An Encyclopedia of Claims, Frauds, and Hoaxes of the Occult and Supernatural
Photoacoustic spectroscopy has been used to separate the absorption spectra of stratified chromophores by exploiting the effect of depth on the phase shift. Figure 1-22 shows the PA spectrum of an oat seedling. Similar measurements have been made on animal tissues, including intact human skin. A major application of PAS involves photochemical energy conversion in biological systems. Since photochemical reactions compete with the decay of metastable states, a decrease of heat production can be related to the energy stored in chemical products.
The two lone--tt-- 0" -tt-It--tt-ttpair electrons of the oxygen atom occupy the n orbital in the ground state T2 T1 S2 S1 So (So), In the lowest excited singlet state 71'-71'* n -7r* 71'-71'* n-71'* (51), one electron in the n orbital is C elevated to the empty 1T* orbital, with160 out a change of spin direction. In the second excited singlet state (Szl, one electron in the 1T orbital is elevated to the empty 1T* orbital, without a change of spin direction. A reversal of spin direction takes place in the correspondE(kcal/mol) ing excitations to the lowest triplet 40 state (T 1) and second triplet state (T2)' (c) State energy diagrams for ethylene (left) and formaldehyde (right).
D. 0001. D. must be corrected for the spectral intensity distribution of the source, and the dependence of the photodetector sensitivity on wavelength. D. of a "reference" from that of the "sample" at each wavelength. , absorption, light scattering, and luminescence. The absorbance (A) is used to designate the contribution of absorption alone to optical density. The ideal absorbance of a dilute solute in a transparent solvent follows the Lambert-Bouguer:"'Beer law: A = Ecd (1-7) where E (liters/mole-cm) is the molar extinction coefficient of the solute at the wavelength of measurement, c (moles/liter) is the molarity of the solute, and d (cm) is the optical pathlength.