Steve Mould

Steve Mould (born 5 October 1978) is a British educational YouTuber, author, and science presenter who is most notable for making educational, science-related videos on his YouTube channel. In 2014, Mould co-hosted ITV's I Never Knew That About Britain alongside Paul Martin and Suzannah Lipscomb. He has also appeared as a science expert on The Alan Titchmarsh Show, The One Show and Blue Peter. Steve Mould explaining the self-siphoning chain fountain at the 2015 Cambridge Science Festival Mould's YouTube video, in which he demonstrated the phenomenon of self-siphoning beads and proposed an explanation, brought the problem to the attention of academics John Biggins and Mark Warner of Cambridge University, who published their findings about what has now been called "chain fountain" in Proceedings of the Royal Society A. It's sometimes called 'The Mould Effect' in some internet articles