The History Of Light

Planet Money : #534: The History Of Light Image
Planet Money : #534: The History Of Light Image

The History Of Light

WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.
In this episode: How we got from candles made out of cow fat to as much light as we want. The history of light is the history of economic growth — of things getting faster, cheaper, and more efficient.