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 ...

The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...

Now, the pyramid has vanished under the hand of famed French street artist JR. The artist plastered one side of the pyramid with a gigantic black-and-white photo depicting the entrance to the Louvre ...