From PhysicsCakes https://twitter.com/PhysicsCakes on Twitter: Or what about a glow-in-the-dark "radioactive" cake that I made to celebrate Marie Curie's birthday? It's a gin and tonic flavoured cake with a G&T jelly topping (the tonic water is what makes it glow under blacklight) @wikimediauk #WikiLovesCakes https://en.wikipedia.org/wiki/Marie_Curie https://twitter.com/PhysicsCakes/status/1351278228682526720/photo/1 https://chirp.cooleysekula.net/attachment/70424