Solar cells are an increasingly important source of renewable energy, but there’s still room for improvement. Stanford engineers have now developed a pyramid-shaped lens that can focus sunlight from ...

Each side of the Great Pyramid rises at an angle of 51.5 degrees to the top. Not only that, each of the sides are aligned almost exactly with true north, south, east, and west. For a pyramid to look ...

As a tactile sensation, there's little to love about the Transamerica Pyramid: It's concrete with a bit of quartz mixed in, topped by aluminum panels and punctured by 3,678 windows of no particular ...