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After human race first tamed the fire and started to use it as a light source, a need appeared for a smaller, controllable flame - a more sophisticated solution, if you will. First such solution was an oil lamp some 70.000 B.C. Early humans used shells, hollow rocks or any nonflammable material as a container and in it some moss soaked in animal fat which they would ignite and it would burn with a flame. -
The earliest archaeological evidence of bells dates from the 3rd millennium BC, and is traced to the Yangshao culture of Neolithic China. -
The earliest household clocks known, from the archaeological finds, are the sundials (1500 BCE) in Ancient Egypt and ancient Babylonian astronomy.