For a patio build, stepping stones, or pathways, concrete tiles can be an affordable option—and some ambitious DIY enthusiasts even make indoor floor tiles themselves. Making your own concrete tiles ...

A common question readers ask is how to add color to concrete. It makes sense. A lot of people dislike the drab gray color of concrete. So, people ask me about painting garage floors, steps, patios ...

Q: I love the look of colored brick for paving, including my driveway, sidewalks and patio. I’ve started to pay attention to older installations of colored concrete paving brick, and many look faded.

Q. Tim, I have a big decision to make and need your help. I love the look of colored brick for paving, including my driveway, sidewalks and patio. The issue is I’ve started to pay attention to older ...

A photobioreactor, which looks like a large vat of blue liquid with pink light shining, at Prometheus Materials. Stimulated by light, microbes in this bioreactor multiply and react carbon dioxide with ...