Steam digester Torricelli and further developed by German scientist Otto von Guericke with his Magdeburg hemispheres. Guerike's demonstration was documented by Gaspar Schott, in a book that was read by Robert Boyle. Boyle and his assistant Robert Hooke improved Guericke's air pump design and built their own. From this, through various experiments, they formulated what is called Boyle's law, which states that the volume of a body of an ideal gas is inversely proportional to its pressure. Soon the ideal gas law was formulated. Based on these concepts in 1679 a Boyle's associate, named Denis Papin, built a "bone digester", which is
Shay Given Gary Speed, following Speed's suicide earlier that day, before Aston Villa met Swansea City at the Liberty Stadium. Source: Source: Shay Given Séamus John James Given (born 20 April 1976) is an Irish former professional footballer who played as a goalkeeper. He is currently the goalkeeper coach at Derby County. Having surpassed the total of 100 caps required for membership, he is part of the FIFA Century Club. Given gained his first international cap in 1996 and played in goal during every match for his country during the 2002 FIFA World Cup campaign, helping them reach the knockout stage. He