Asphalt -
As cars replaced horses, the demand for smooth, durable roads skyrocketed.
: Later builders realized that adding hot tar to these stones reduced dust and wear, creating "tarmacadam" (tarmac). asphalt
: 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 As cars replaced horses, the demand for smooth,
: In 1870, Belgian chemist Edmund J. DeSmedt laid the first true asphalt pavement in the U.S. in Newark, New Jersey. The Modern Era As cars replaced horses
: Phoenicians and Egyptians used natural bitumen (asphalt) to waterproof their ships , ensuring the wood survived long voyages. The Industrial Revolution