How 3-Way Lightbulbs Work

During WWII, a diplomat by the name of Aristides de Sousa Mendes disobeyed his government in order to provide safe passage to thousands of people fleeing fascist violence in Europe. Learn how his descendents are working together with descendents of those he saved to tell his stor ...  Show more

When every minute counts, search-and-rescue dogs can help locate disaster victims far faster than humans alone. Learn about how they're trained in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/sar-dog.htm/printableSee omnystudio ...  Show more

We look at the history of incorporating lights in winter holidays like Christmas and Hanukkah and how electricity changed things dramatically. We'll also dive into those over the top displays that sequence lights with sound and talk about why it was such a challenge for the elect ...  Show more

Scientists have created a way to 3D print small objects by using beams of light directed at special resin. It's all based off tomography and photopolymers. Here's how it works. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for ...  Show more

In episode 37, we learn about one of the biggest inventions in history... the light bulb!  We learn who invented the light bulb and how it works.

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This week, we switched it up to take a deep dive into lighting with Ballard lighting experts Valerie and Roger. They answer all our lighting questions including, how many light sources we actually need, the rules for wattage and color that can help us get the best brightness and ...  Show more