By Gordon Rugg & Gavin Taylor
That’s not exactly the most inspiring title ever written, but sometimes humble examples illustrate much more profound principles, as in the way that the eminent physicist Faraday used an ordinary candle to demonstrate some of the key concepts in chemistry.
http://en.wikipedia.org/wiki/The_Chemical_History_of_a_Candle
This particular case isn’t quite so illustrious, but it’s still a lot more interesting than it might appear, and a good illustration of some important principles about how best to do research, whichever field you’re working in. It’s also a good example of mistakes to avoid…
