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Before there was light: Humans have never been the same since we got the light bulb

It’s only during a wilderness camping trip or a PG&E outage that 21st century Bay Area residents might get a sense of how humans lived for hundreds of thousands of years, before they gained access to a powerful and readily available source of artificial light

These days, the only places to get away from city lights are remote
Sierra campsites, like this one in the John Muir Wilderness, or near
Point Reyes and other DarkSky-designated areas.
GETTY IMAGES
These days, the only places to get away from city lights are remote Sierra campsites, like this one in the John Muir Wilderness, or near Point Reyes and other DarkSky-designated areas. GETTY IMAGES
Martha Ross, Features writer for the Bay Area News Group is photographed for a Wordpress profile in Walnut Creek, Calif., on Thursday, July 28, 2016. (Anda Chu/Bay Area News Group)
UPDATED:

It’s only during a wilderness camping trip or a PG&E outage that 21st century Bay Area residents might get a sense of how humans lived for hundreds of thousands of years, before they gained access to a powerful and readily available source of artificial light.

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