Modern asphalt began with two Scottish engineers in the early 19th century:
: Builders moved from natural pits to refined petroleum asphalt, a byproduct of oil production that was more consistent and easier to transport. asphalt
: The Babylonians used it as a mortar for brick walls and as a sealant for their famed Hanging Gardens . Modern asphalt began with two Scottish engineers in
: Today, asphalt is high-tech. Modern pavers use automation and thermal mapping to ensure the mix is laid at the perfect temperature (usually between 150°C and 170°C) to prevent cracks. The Future of the Road asphalt
The story of asphalt is one of transformation—from a rare natural resource found in ancient pits to the literal foundation of modern global travel. The Ancient Origins