Posted7 days AGO
When was the last time you lived without electric lights? Maybe a thunderstorm, hurricane, or blizzard caused a power outage in your neighborhood. Many of us feel so uncomfortable without electricity that we keep gasoline-powered generators on hand to minimize the effects of such an unexpected loss of power. Nevertheless, just 150 years ago, most of the world lived their normal lives without electricity and the dependable light that it supplies. One hundred years before that, and “normal” life was almost what it had been for perhaps 5000 years – only fire (torch, candle, etc.) to light the night.
Lesson Plan and Materials are on website. https://reach.ieee.org/inquiry-units/electric-lighting/