Dr Karl

About Karl

When NASA classified Karl as non-astronaut material in 1981 he walked straight into ABC Radio station Double J and offered to talk about the Space shuttle launch. They said ‘Okay’ and his radio career took off from there. ‘Great Moments In Science’ ran on Double J while Karl moonlighted as a medical student. read full bio

Where is Karl?

You can catch Karl all over the airwaves, check out his upcoming time slots.

  • Dr Karl joins Robbie Brechin ABC Adelaide

    Wednesday 7th December 2016
    11:00 am - 11:30 am

  • BBC Radio 5 live’s Up All Night

    Thursday 8th December 2016
    3:00 am - 4:00 am

  • Dr Karl joins Steve Austin on ABC 612 Brisbane

    Thursday 8th December 2016
    10:30 am - 11:00 am

View full schedule

From the Blog


Movie releases of a chemical kind

GREAT MOMENTS IN SCIENCE: Scientists can tell the tense moments in a movie just by the chemicals given off by the audience. Dr Karl explains how scary movies led to a fundamental discovery about human biology.

Alan Turing always ate an apple before going to bed, and would sometimes leave them half-eaten (Source: prill/iStockphoto)

Alan Turing and the apple

GREAT MOMENTS IN SCIENCE: Apple makes smartphones – the ultimate universal machine – but that’s where the connection to the ‘father of computing’ ends and the myths begin, says Dr Karl.

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