How the Ancient Romans Made Better Concrete Than We Do Now

If you've ever wondered why the ancient structures of Rome have endured for millennia, when our own modern concrete is susceptible to cracks and crumbles, well, now you have your answer. Researchers recreated the Roman recipe and discovered that the formation of a certain kind of crystal in the concrete is the reason… » 12/18/14 12:44pm Thursday 12:44pm

An Astounding History of Scientific Space Art from the Past 200 Years

Ron Miller's new coffee table book The Art of Space is a gorgeous history of scientific illustrations, full of retro rockets and stunning planetscapes. It's also a glimpse back at the cutting-edge astronomy of yesteryear. We've got a gallery of some of the most striking work from the book. » 11/20/14 7:44pm 11/20/14 7:44pm