GreenTech

Imagine driving through a bustling city street when suddenly, you feel that jarring thud of your car’s wheels hitting an exposed manhole. It’s not just an inconvenience; it can be a serious safety hazard. This scenario is more common than you might think, highlighting the crucial role that a well-designed

When you think of Seoul, images of vibrant street markets, towering skyscrapers, and rich cultural heritage might come to mind. However, few consider the cityscape beneath their feet—a realm where art and functionality converge in surprising ways. The Seoul manhole cover, typically a mundane piece of urban infrastructure, has been

Imagine this: in the late 1950s, as the world was engrossed in an arms race and the dawn of space exploration, a manhole cover was unexpectedly thrust into the cosmos, challenging our understanding of speed and propulsion. This wasn’t a product of science fiction, but a real event that has