Chapter 5-7






Did you know before light bulbs, long before gas lights (1790 ad), candles (3000 bc), and oil lamps (5000 bc), we used hollow rocks, shells, and hardwood stumps filled with moss or other flammable materials, soaked it in animal fats and lighted it ?

Well ok, not that far but let’s say oil lamps are still in fashion. Candles for what its worth, felt like a lot of events have to fall in place for them to be invented. A simple wicked oil lamp can last as long as a candle does. For reference, 15 ml of liquid paraffin can produce light for about an hour. An average can of coke has about 325 ml of liquid.

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