Self-heating concrete is one step closer to putting snow shovels and salt out of business
There’s a patch of concrete on Drexel University’s campus that could portend a frost-free future for sidewalks and highways in the Northeast. Tucked inconspicuously next to a parking lot for the university’s facilities vehicles, two 30-inch-by-30-inch slabs have been warding off snow, sleet and freezing rain on their own — without shoveling, salting or scraping … Read more
