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Next up on the Radio
Wednesday 11th November 2026
9:30 am - 10:00 amWednesday 11th November 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 12th November 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 12th November 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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National Geographic Kids How Planes Fly!
How Planes Fly Planes! Have you ever watched a plane fly over and wondered how on earth it can soar through the clouds so effortlessly? I always feel amazed when I see that giant double-decker plane, the incredible A-380. It weighs nearly 600 tonnes – as much as a small ship – and yet it […]
Uncategorized
Iced coffee, flies, static electricity
Chernobyl Exclusion Zone, what is dark matter and what would happen if flies don’t exist?
National Geographic Kids What is a Sinkhole?
Dr Karl digs deep into sinkhole science A sinkhole is a void in the ground caused by a collapse of the Earth’s surface layer. This usually occurs when the ‘stuff’ underground – limestone and gypsum – dissolves or shifts as a result of lots of moving water in one area. Heavy localised rainfall or large […]
Australian Geographic The invention that saved soldiers’ lives in WWI
Australian physicist William Lawrence Bragg located enemy artillery with a makeshift infrasound reader. IN THE FIRST World War, artillery killed more soldiers than any other weapons. The counter-measure was to blow it up with your own artillery. ‘Sound Ranging’, the best system to find enemy artillery, was developed by William Lawrence Bragg, an Australian and […]
