What are 5 Franklin inventions in order of most to least important in everyday life today?
A locked engine doesn't make any sound. It won't turn over at all.
Heat detector - senses the change in temperature or rather rate of change in temperature. Flame detector- Detects the flame by the radiation of the flame, emitted by it and also the rise in temperature. Smoke detector- detects the smoke by chemically sensing the carbon dioxide and carbon monoxide contained in it.
