Exploring the complexities that go into the creation and application of asphalt concrete. Of all the ubiquitous things in our environment, roads are probably one of the least noticed. Our roads see tremendous volumes of traffic and withstand considerable variations in weather and climate, and they do it on a pretty tight budget. That’s really only possible because of all the scientists, engineers, contractors, and public works crews keeping up with this simple but incredible material called asphalt. Watch this video and the entire Practical Engineering catalog ad-free on Nebula: https://go.nebula.tv/practical-engineering -Patreon: http://patreon.com/PracticalEngineering -Website: http://practical.engineering/ Writing/Editing/Production: Grady Hillhouse Editing and Direction Help: Wesley Crump This video is sponsored by HelloFresh.