Dr Karl crunches into the crispy, salty, science packed world of chips, proving there's more to one of the nation's favourite treats than meets the mouth. Dr Karl unravels how leather, laces, and over ...

From shaping to tuning — how much do you know about how an acoustic guitar is made?

When Dr Karl wants to understand something, he doesn't mess around. Pies, for instance — how are they mass-produced? For the new season of How Things Work, Dr Karl toured a Perth pie factory to give ...