For thousands of years, builders have used retaining walls to create flat vertical walls or gently sloping terraces on hillsides. While constructing a solid, lasting retaining wall might look ...

The quest for unlimited and clean energy has been a long one, with over fifty-plus years in the endeavor to find new ways to combat climate change while also providing better energy solutions. One ...

There are lots of ways to get rid of old paint, primer and rust. You could use some elbow grease, abrasive materials, or chemicals. You could get all scientific with electrolysis. You could learn to ...

How are controversial ideas handled by modern science? A common charge leveled against science (generally by those who are unhappy with its conclusions) is that the only way to get funding or continue ...

The movies play an incredibly important role in firing our imaginations about what's possible for humanity's future, and nowhere is that more apparent than in the realm of space travel. Over the past ...

Grids based largely on renewables are coming and so is energy storage, which is currently dominated by lithium ion batteries which cope with storage up to 4 hours. Attention is focusing on longer ...