Over the past few years, we’ve seen lots of research in walking droplets, especially as hydrodynamic quantum analogs. But did you know you can replicate this set-up at home and Keep reading
Tag: DIY fluids
Aerated Faucets
So much goes on in our daily lives that we never see. But with the power of the smartphones in our pockets, we can catch more than ever before, as Keep reading
Pop-Pop Boats
I confess I’ve never heard of the pop-pop boat toys Steve Mould uses in this video. They feature a tank filled with water and a small source of heat in Keep reading
Self-Stopping Leaks
A leak can actually stop itself, as shown in this video. To demonstrate, the team used a tube pierced with a small hole. When filled, water initially shoots out the Keep reading
Teaching Diffusion With Eggs
Many cultures around the world marinate hard-boiled eggs — like pickled eggs in Europe or tea- and soy-infused eggs from Asia. These delicacies offer a fun (and tasty) way to Keep reading
Surf’s Up!
Inspired by honeybees and their ability to surf on capillary waves of their own making, researchers have developed SurferBot, a low-cost, untethered, vibration-driven surf robot. Built on a simple 3D-printed Keep reading
Ink-Based Propulsion
In this video, Steve Mould explores an interesting phenomenon: propulsion via ballpoint pen ink. Placing ink on one side of a leaf or piece of paper turns it into a Keep reading
Fun From the Beach
Here’s a neat bit of fluid dynamics derived from a day at the beach! Our experiment begins with well-mixed (and likely compacted) sand grains and sea water in a bottle. Keep reading
Building a Water-Based Computer
Having previously tackled the “greedy” self-starting siphon, Steve Mould set out to build a water-based computer capable of adding simple numbers. To do this, he had to build logic gates Keep reading
Taylor Columns
When rotating, fluids often act very differently than we expect. For example, an obstacle in a rotating flow will deflect flow around it at all heights. This is known as Keep reading