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 Paula Tapiolas on ABC Townsville

    Wednesday 5th April 2017
    10:00 am - 10:30 am

  • Dr Karl joins Phil Staley on ABC FNQ Mornings

    Wednesday 5th April 2017
    10:00 am - 10:30 am

  • Dr Karl joins Paula Tapiolas on ABC Townsville

    Wednesday 19th April 2017
    10:00 am - 10:30 am

View full schedule

From the Blog

With computerised re-pricing programs roaming the online book world it might pay to check out your local library (Source: livecal/iStockPhoto)

The world’s most expensive book

GREAT MOMENTS IN SCIENCE: A book selling for more than the US national debt? Dr Karl discovers that inflation has got nothing on automated pricing programs.

high-tech-bacteria

The microscopic high tech wizardry of bacteria

GREAT MOMENTS IN SCIENCE: Some bacteria use microscopic super-high-tech gee-wizardry like propellers powered by tiny self assembling electric motors to swim in their environment, explains Dr Karl.

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Why we need a leap second added to our clocks

GREAT MOMENTS IN SCIENCE: As New Year’s Eve ticked over to 2017, scientists added an extra second to atomic clocks to compensate for the Earth’s variable rotation. Dr Karl explains the pros and cons of doing this.

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