For thousands of years, getting light was a huge hassle. You had to make candles from scratch. This is not as romantic as it sounds. You had to get a cow, raise the cow, feed the cow, kill the cow, ...

Here is the history of light, according to physics. Beyond what we can touch, taste, smell, and hear, we experience the universe through light. But how did we come to discover light, and how did we ...

Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs. RELATED: Livermore’s 123-year-old Centennial Lightbulb glows up We ...

For millennia, humans had one obvious and reliable source of light – the Sun – and we knew the Sun was essential for our survival. Early religions were also often tied up with healing. Sick people ...

And now, 4,000 years of economic growth in seven minutes. This story comes, of course, from our Planet Money team. David Kestenbaum and Jacob Goldstein bring us the history of light and how the world ...