In this episode, Shashank, Cole and Cormac take a look at the periodic side of time-domain astronomy through the famed, fabled Fourier transform. Cole entreats us to the time lags in blazars and Cormac gives us a weather update on a brown dwarf. Along the way, we discuss some of the instruments, challenges and patterns in periodicity.Flashy and Fashionably Late: the Fascinating Time Lag in Blazar Flares:https://astrobites.org/2026/04/16/flashy-and-fashionably-late-the-fascinating-time-lag-in-blazar-flares/ How’s the Weather Looking on our Nearest Brown Dwarf Neighbors?https://astrobites.org/2026/03/13/hows-the-weather-looking-on-our-nearest-brown-dwarf-neighbors/ Space sound:https://www.youtube.com/watch?v=nBxn6QGWJNM