How does a traffic light detect cars?

Socialism and communism are often mentioned in the same breath, and they do share a common history, but socialists aren't necessarily communists -- and vice versa. Learn more about both concepts and how they've been put into practice in this episode of BrainStuff, based on this a ... Show More

Our bodies can often prevent us from catching the same illness twice, and vaccines use that bodily system to prevent us from getting sick in the first place. Learn how the immune response works, what goes into vaccines, and why vaccines are safe for kids in this episode of BrainS ... Show More

In the 1960s, advances in technology allowed brave aquanauts to explore deeper into the ocean than ever before, but the project was shut down. Learn how Sealab worked -- and how that technology is still used today -- in this classic episode of BrainStuff.See omnystudio.com/listen ... Show More

We often take traffic lights for granted, but regulating the flow of traffic takes a lot of planning and technology. Jonathan and Chris detail the technology behind traffic lights in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystu ... Show More

Since the invention of the automobile, car manufacturers and drivers have pushed the limits of technology toward one primary goal: speed. Learn more about the need for speed in this podcast from HowStuffWorks. Learn more about your ad-choices at https://www.iheartpodcastnetwork.c ... Show More

Google collects data from cell phone users like you to create a database of traffic information for Google Maps. Jonathan and Chris discuss the pros and cons of traffic monitoring tools in this episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee o ... Show More

The history of traffic signals is way more interesting than you might think. Trust us.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

How do tunneling machines work? We look at the science and tech behind burrowing under the Earth.       Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

From Google to TikTok to car companies, we look at stories that show how tech is tracking people in real time. How might that data be used for (or against) you? And is there anything we can do about it? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee o ... Show More

Robert and Joe explore the origins and impact of roads... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Daniel and Jorge talk about the history of how we measured this fastest of all velocities! Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Learn about the mystery behind fast radio bursts with Daniel and Jorge Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

What is eye-tracking technology? What can it be used for? Find out about the history and future of eye-tracking tech on this episode of TechStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.