Tag Archives: cement

The next time your son begs you for a fingerboard skate park, try not to laugh in his face. Instead, be more considerate. Perhaps his new hobby will eventually lead to him going pro and becoming sponsored and thus earning him a living doing what he loves. Of course, you don’t want to settle for the cheap plastic junk Tech ...

The Dutch town of Hengelo is putting certain concrete paving stones to the test. These said stones contain a titanium dioxide-based additive that, when under the influence of sunlight, bind the nitrogen oxide particles emitted by car exhausts and turns them into harmless nitrates. They plan on measuring the air quality after paving one half of a road with the ...