Monthly Archives: October 2015

The Pentium FDIV Bug

The Pentium FDIV Bug

On October 30, 1994, Thomas Nicely, a professor of mathematics at Lynchburg College, published his findings about a serious bug in the arithmetic unit of Intel’s latest Pentium processor, known as the Pentium FDIV Bug. Because of the bug, the processor can return incorrect decimal results, an issue troublesome for…
Mozart’s Don Giovanni

Mozart’s Don Giovanni

On October 29, 1787, Wolfgang Amadeus Mozart’s Opera Don Giovanni with the libretto by Lorenzo da Ponte premiered in Prague. Being one of the most perfomed operas worldwide, it proved a fruitful subject for writers and philosophers based on the legends of Don Juan, a fictional libertine and seducer. Besides…
The Peltier Effect

The Peltier Effect

On October 27, 1845, French physicist Jean Charles Athanase Peltier passed away. Peltier is best known today for the introduction of the eponymous Peltier effect, a thermoelectrical effect, i.e. the presence of heating or cooling at an electrified junction of two different conductors, as well as for the electrostatic induction. Peltier…
Georg Ernst Stahl and the Phlogiston Theory

Georg Ernst Stahl and the Phlogiston Theory

On October 22, 1659, German chemist, physician and philosopher Georg Ernst Stahl was born. Stahl developed the phlogiston theory of combustion and of such related biological processes as respiration, fermentation, and decay. Combustible objects, he said, were rich in phlogiston, and during combustion is lost. The remaining ash, now having…
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