The magic of this concrete patio idea happens when rock salt is patted into freshly laid concrete, fashioning a beautifully intricate, pitted texture that's a treat to look at and walk on.

Rock salt is able to lower the freezing point of water, which is why it works to melt ice and to make it easier to remove snow from your concrete driveways and sidewalks. However, rock salt can ...

The scientists behind the invention used simulated Martian soil mixed with potato starch and a pinch of salt to create the material that is twice as strong as ordinary concrete and is perfectly suited ...