Visible Words: The Image Is the Message

(Excerpt) From our earliest existence, we have been creators. We have made images, art, with our hands. We drew on the walls of our cave homes. We formed clay into pottery and decorated it. We took metal from the earth and hammered it into objects of beauty and objects for adornment

Nickel complexes of phosphine-appended benzannulated boron heterocycles

We report the synthesis and characterization of two diphosphine nickel complexes containing 9-borafluorene (PBFlu, 9-(diisopropylphosphino)phenyl-9-borafluorene) and 9,10-dihydroboranthrene (B 2 P 2 , 9,10-bis(2-(diisopropylphosphino)phenyl)-9,10-dihydroboranthrene) cores. Metalation of PBFlu and B 2 P 2 with Ni(PPh 3 ) 4 leads to the monometallic complexes (PBFlu)Ni(PPh 3 ) and (B 2 P 2 )Ni, respectively. Cyclic voltammetry studies show a reversible redox event at ∼0.1 V and a quasi-reversible event at ca. −3 V versus ferrocene/ferrocenium for (B 2 P 2 )Ni while (PBFlu)Ni(PPh 3 ) features no reversible redox events. Electronic structure calculations were performed to provide further insight into the bonding in these complexes

Essex District High School Yearbook 1966-1967

Called The Argus Annual.https://scholar.uwindsor.ca/essexcountyontariohighschoolyearbooks/1078/thumbnail.jp

Essex District High School Yearbook 1932-1933

Called: The Argus Annualhttps://scholar.uwindsor.ca/essexcountyontariohighschoolyearbooks/1000/thumbnail.jp

How Hot Is Radiation?

A self-consistent approach to nonequilibrium radiation temperature is introduced using the distribution of the energy over states. We begin rigorously with ensembles of Hilbert spaces and end with practical examples based mainly on the far from equilibrium radiation of lasers. We show that very high, but not infinite, laser radiation temperatures depend on intensity and frequency. Heuristic "temperatures" derived from a misapplication of equilibrium arguments are shown to be incorrect. More general conditions for the validity of nonequilibrium temperatures are also established.Comment: 26 pages, revised, LaTeX, 3 encapsulated PostScript figure