Water electrolysis. Dissolved hydrogen and oxygen gases (red)
          nucleate into bubbles (green) [1]github.com/cselab/aphros [[2]wasm]
          This simulation needs JavaScript [space] pause, [click] draw a bubble
          gravity surface tension viscosity reaction rate molecular diffusion
       
          1. https://github.com/cselab/aphros
          2. https://github.com/cselab/aphros/tree/master/examples/107_wasm