W.A. Police Confidential is true crime in real time. Every week we take you inside real active police investigations. You'll find out how we solve murders, catch crooks and take down bikies and want to be gangsters. Real police, real detectives, real stories, you won't hear anywhere else. How do you solve a murder without a body? How do you catch a professional hitman? All the latest on cold case mysteries and a whole lot more.

W.A. Police Confidential, the official W.A. Police Podcast every week, wherever you get your podcasts.

Hey, everyone. It's Olivia Colpo, and I can't wait to tell you all about Abercrombie's new

summer collection. All their new dresses and colorful swim feel perfect for a Euro summer and Abercrombie has a new 100% linen collection.

It's the perfect mix of looking put together in elevated with the lightness and comfort of linen.

Shop Abercrombie this summer in the app, online, and in stores.

Thank you. online and in stores. Attention all passengers.

The Uber ride for Mark and Jamal's romantic weekend

will depart in four minutes from Platform 6.

Your ride comes with a rolling countryside sunset view and a table seat,

ideal for playing footsie beneath.

Thank you for booking your tickets on Uber.

Trains on Uber.

EVO.

There are problems that announce themselves loudly, mechanical failures that rattle and resist

systems that falter in ways that demand immediate attention. But then there are problems

that exist beneath the surface, embedded in the function of things that otherwise appear to work.

In the early years of the automobile, as engines moved from novelty very quickly to necessity,

one such problem began to define the limits of progress.

It wasn't catastrophic, it didn't halt the engine entirely, but it disrupted the rhythm,

introducing a stutter into the process that translated over time into inefficiency, into damage, and ultimately constraint.

They called it knock. The term is simple, it's almost casual, but the phenomenon it describes really carried weight.

...