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Next up on the Radio
Thursday 13th August 2026
9:30 am - 10:00 amThursday 13th August 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 13th August 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 13th August 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
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Uncategorized
Synaesthesia, multiple moons, safe AI
What is happening in the brain when someone experiences synaesthesia? What would happen if we had more than one moon? How fast would you need to travel to keep up with the sun?
Uncategorized
Electric shocks, bloody noses, sleep sneezing
Why does earwax taste bitter but snot doesn’t? Can Wi-Fi be harmful? If we were to replicate the big bang, how would we contain it?
National Geographic Kids Extraordinary X-rays
X-rays are under the microscope with Dr Karl… X-Rays uncovered! On 22 December, 1895 the German physicist Wilhelm Röntgen took the first ever medical X-ray. It was of his wife’s hand! X-rays are a form of electromagnetic radiation. When this light passes through the body and onto a photographic plate, pictures of bones and some […]
Australian Geographic The thorny devil lizard’s drinking habits
How the thorny devil takes “flat out like a lizard drinking” to the extreme. ONE OF THE standard Aussie replies to somebody who asks you how hard you’re working is “flat out like a lizard drinking”. But Australia’s thorny devil has taken it to the max – it doesn’t even have to lower its mouth […]
