What is it about?
A simple toaster failed to work because a crumb of bread had become lodged in the poles of the electromagnet which holds the ON_SWITCH on for a given length of time. Fixing the toaster involved removing the crumb. How simple is that?
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Why is it important?
Throwing the toaster into the bin (a) is a waste of materials and (b) causes Land Fill sites to overflow. Remember the 3/4 R's Reduce, Recycle, Reuse, Repair,
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A timely reminder to all.
Dr Frank Thompson
University of Manchester
Read the Original
This page is a summary of: Waste not, want not, Physics Education, February 2015, Institute of Physics Publishing,
DOI: 10.1088/0031-9120/50/2/258.
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