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 28th September 2016
    11:00 am - 11:30 am

  • BBC Radio 5 live’s Up All Night

    Thursday 29th September 2016
    3:00 am - 4:00 am

  • Dr Karl joins Steve Austin on ABC 612 Brisbane

    Thursday 29th September 2016
    10:30 am - 11:00 am

View full schedule

From the Blog

Thumbnail for 248314

Bitcoin: from the beginning

GREAT MOMENTS IN SCIENCE: How did the Bitcoin virtual money system get started? Dr Karl takes a bite out of history.


Honk if you’re being hacked

GREAT MOMENTS IN SCIENCE: Dr Karl goes back to the beginning of the car hacking era in part one of a three-part series.

Famous but not the first: Ellen DeGeneres' selfie at the 2014 Academy Awards (Source: @theellenshow/Twitter)

A brief history of the selfie

GREAT MOMENTS IN SCIENCE: Ellen’s Hollywood selfie may be famous, but the word itself has much humbler origins, if we don’t say so ourselves, on an ABC Science forum hosted by Dr Karl.

View all posts

Follow Karl on Instagram