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
Why Does the Sun Shine? (The Sun Is a Mass of Incandescent Gas) Why Does the Sun Shine? (The Sun Is a Mass of Incandescent Gas) Why Does the Sun Shine? (The Sun Is a Mass of Incandescent Gas) is an EP by alternative rock band They Might Be Giants, released in 1993. The EP is notable for being their first release with a full-band lineup, rather than only the two original members (John Flansburgh and John Linnell) performing. It was also released as a single on 7" vinyl. All of the songs on the EP are cover versions, except for one. The title song is a cover of a song by Hy