Brainstuff

What Are Those Black Squiggles on Roads?

Informações:

Sinopsis

When asphalt pavement cracks, a squiggle of black sealant can help prevent further damage. Learn more in this episode of BrainStuff, based on this article: https://auto.howstuffworks.com/road-tar-squiggle-drizzle.htmSee omnystudio.com/listener for privacy information.