Have you ever been standing in the shower, when suddenly, the noise in your brain clears and, in its place, appears the perfect thought?
That's a Shower Thought, and RNZ's Nights is aiming to answer those unshakeable questions lurking in the back of your mind.
Tonight's question: How do keys work? Locksmith Rusty Smith joins RNZ Nights to answer this question and more.
Photo: supplied