Dr Karl
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Triple J Science with Dr Karl

Triple J Science with Dr Karl
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Next up on the Radio

  • Wednesday 19th August 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 19th August 2026
    7:00 pm - 7:30 pm

    Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland

  • Thursday 20th August 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 20th August 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


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Recent Articles & Stories

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Uncategorized

Unmoving escalators, circumnavigating ash clouds and orange oranges

Why does it feel unusual when walking on a stationary escalator? Plus: why did the recent Chilean volcano ash cloud travel in the opposite direction to the prevailing winds? And why are oranges orange?

National Geographic Kids

The Pillars of Creation

The Eagle Nebula is a stellar nursery: a place where new stars are born. It’s about 7,000 light years away from Earth (for comparison, the nearest star to our sun is about four light years away). The Eagle Nebula contains three enormous pillars (a few light years high), growing like stalagmites from the floor of […]


Uncategorized

Soft copper, blue tyres and compression pants

Can copper pipes be made hard again after they have been overheated then cooled? Why do new tyres sometimes leave a blue mark on the ground? Do sports compression shorts work?

Uncategorized

Rollercoasters, plasma & wormholes

Dr. Karl answers all your science questions, including; what do flies want? How do bullets kill people? Why does dog poo turn white?