breakthrough: the Pencil of Nature

breakthrough was a termly resource for teachers published between 1999 and 2001. Each edition highlighted a number of discoveries and inventions and the people who made them. This edition was published in May 2000. Each edition of breakthrough included feature articles and regular items such as profiles of key scientists, interviews with contemporary scientists and ideas for places to visit. The teachers’ pages provided answers to questions and notes on practical activities. breakthrough was edited by Peter Ellis with contributions from a wide range of authors. [b]Contents[/b] * Cover feature: The pencil of nature - the life and work of Henry Fox Talbot * Scurvy and vitamin C - the hunt to find the cause of the disease. * Dame Harriette Chick - a leading nutritionist * Joseph Louis Gay-Lussac - the true hero of the gas laws * A scientist answers: Dr.Potina Bayvel - researcher in opto-electronics * Arachne's web - finding Galileo on the internet * Visiting scientists: Lacock Abbey, Wilts - site of the invention of photography * A 1925 periodic table * The teachers' pages