If you've ever driven through regional Australia in summer, chances are you've seen one - a roadside sign with a needle pointing to a colour-coded scale ranging from low to catastrophic. The Fire Danger Meter is one of Australia's most recognisable pieces of public safety infrastructure. But behind that simple roadside sign lies a remarkably rich history of science, tragedy, and ongoing adaptation. A general view showing Greta Bushfire Brigade Station in the background, and a
