A short article based on an extract from Topics in Safety, Topic 17 (Electricity), which is freely available to Association for Science Education (
ASE Health and Safety Group
ASE members have been raising concerns that the hours and numbers of science technicians are decreasing.
Experimentation gives science its identity, and the appeal of practical science is the reason that many scientists, technicians and engineers chose
Sir John Holman
Entropy is more usually studied in physics and chemistry but can also be considered in biology to explain limitations of energy changes in life-pro