Leyden jar: Originally invented in 1745 by Pieter van Musschenbroek at the University of Leiden (Leyden), the Netherlands, it was a device used to build and store static electricity. A Leyden jar consists of a glass jar with an outer and inner metal coating covering the bottom and sides nearly to the neck. A brass rod …
It was sheer luck that we stumbled upon the French Open quarter final between Marco Cecchinato and Novak Djokovic. Marco (ranked 72) had started strong taking the first two sets 6-3, 7-6 against the former champion Djokovic, but then seemed to have run out of steam as Djokovic eyeing a ninth semi final had clawed …
