Have you ever taken a walk through the rain on a warm spring day and seen that perfect puddle? You know, the one where the raindrops seem to touch down at just the right pace, causing a dance of ...

Spring showers have arrived in London, but I don’t really mind. I find the splat of raindrops falling on puddles a very comforting sound, one that I associate with childhood and the urge to ...

Concentric waves are circular ripple patterns that spread outward from a central point after a disturbance, most commonly when raindrops strike a water surface. You’ve probably seen them on puddles, ...

Join Andy Day for a rainy walk to the park. Hop over cracks in the pavement, dodge the raindrops and splash in as many puddles as you can. Shhhh! Don’t wake Clem the cat!

Microplastics are tiny plastic particles that can cause big problems when they enter the water supply. One way my fluid dynamics lab explores microplastic movement is by studying how tiny ...