▶ nifty laser cymatics by local Peter Hobbs
upcoming dark light exhibition & event
▶ One for the birders: Frequency dependence of parabolic microphone gain
▶ A Speaker Built Like a Wind Instrument: 50 Years in Pursuit of Perfect Sound
▶ How to check if your Apple silicon Mac is booting securely
▶ The Camera That Went To The Moon And Changed How We See It
▶ How Does Timecode Vinyl Actually Work? (Pt. 3)
