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
The Given Note be played in the 1990s". Nickson observes that despite O'Flynn covering the full Celtic music spectrum, it is the Irish songs that "lie closest to O'Flynn's heart". Nickson concludes: The Given Note The Given Note is the fourth solo album by master uilleann piper and prominent Irish traditional musician Liam O'Flynn. Produced by Shaun Davey and recorded at Windmill Lane Studios in Dublin, the album was released in 1995. The title was suggested by O'Flynn's good friend Seamus Heaney, winner of the 1995 Nobel Prize for Literature. Heaney also wrote a tribute to O'Flynn which is on the sleeve notes