A 2,000-year-old analog computer. Concrete that can heal itself. A device capable of detecting ...
More than 2,000 years ago, Greek artisans built a compact machine of interlocking gears that could track the heavens with a precision that still unsettles modern engineers. The corroded fragments of ...
Rising abruptly from the lush, untamed jungles of southeastern Venezuela, Mount Roraima is a geological behemoth that defies logic. With its perfectly flat plateau and sheer, vertical cliffs plunging ...
We hardly give them a second thought, but everyday objects like bags and backpacks belong to a long technological tradition that may stretch back hundreds of thousands of years. While researchers have ...
The walls of a corridor that once linked two theatres in the ancient Roman city of Pompeii hold hundreds of inscriptions made ...