The Egyptian temple carving that looks like a giant lightbulb

Carved into the Hathor temple at Dendera in Egypt is a relief that looks a great deal like a lightbulb: an oval bubble with a snake curling inside it, held up by a pillar. A fringe theory holds that this is evidence of ancient Egyptian electric lighting, based on the resemblance to incandescent bulbs, cathode-ray tubes, and Crookes tubes. - Read the rest

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