Lighting is one of the most efficient methods to conserve energy. The Philips Research reports that switching from traditional lamps (incandescent and fluorescent lamps) to solidstate lamps using LEDs (LED lamps) has an immediate impact on energy use, CO2 emissions and the environment and it also improves light quality [9]. Therefore, the Philips Research aggressively forecasts that the LED lam...

A formulation of Dirac’s equation using complex-quaternionic coordinates appears to yield an enormous gain in formal elegance, as there is no longer any need to invoke Dirac matrices. This formulation, however, entails several peculiarities, which we investigate and attempt to interpret.

The calculus of variations is a classical subject which has gain throughout the last three hundred years a level of rigor and elegance that only time can give. In this note we show that, contrary to the classical field, available formulations and results on the recent calculus of variations on time scales are still at the heuristic level.

With the development of market economy, advertising has become an indispensable marketing tool as a way to convey information public. As kind "inducement" text, purpose translation advertisement is more explicit. The traditional methods "Faithfulness", "Expressiveness" and "elegance" alone can no longer serve text well. "Skopos theory" proposed by German scholar Vermeer believes that determines...

It has been claimed by some mathematicians that Bernhard Riemann was the last great ”Renaissance man” of mathematics, in that he was quite knowledgeable of–and, indeed, proved major theorems in–several seemingly disjoint branches of the subject. One could argue for other notable exceptions from the 20th century–perhaps John von Neumann, Bertrand Russell, even Douglas Hofstadter–but the fact rem...

The subject of the research is concept elegance style in coverage Russian handwritten rhetorical manuals 18th century Latin. On example one most important requirements for eloquence, peculiarities ideas about rhetoric are revealed. texts compiled Moscow, Kolomna, Nizhny Novgorod, Vologda, Ryazan, Smolensk analyzed context New Latin sources, among which treatises Feofan Prokopovich and Johann Go...