Dr Karl
Dr Karl on TikTok!
View all

Triple J Science Questions

Science with Dr Karl
View all

Next up on the Radio

  • Wednesday 22nd September 2021
    9:30 am - 10:00 am

    Dr Karl joins Matt Webber on ABC Gold Coast

  • Wednesday 22nd September 2021
    10:30 am - 11:00 am

    Dr Karl joins David Bevan on ABC Adelaide

  • Wednesday 22nd September 2021
    10:30 am - 11:00 am

    Dr Karl joins David 'Alex' Chambers on ABC Townsville

  • Thursday 23rd September 2021
    9:30 am - 10:00 am

    Dr Karl joins Rebecca Levingstone on ABC Brisbane


Latest Books

View all

Recent Articles & Stories

View all
Great Moments in Science

Chlorophyll Water — part 2

Chlorophyll water has re-emerged as a darling of the wellness world but does it stand up to the hype?

Great Moments in Science

The awesome origins of gravitational waves

The recently discovered gravitational waves were created under mind-boggling circumstances. Dr Karl goes into the beautiful and awe-inspiring story of their creation.


Great Moments in Science

What if the Earth stopped spinning?

We know that the rotation of the Earth is gradually slowing down. But what would happen if God, the devil or aliens suddenly and completely stopped our planet from rotating on its axis of spin? Luckily, thanks to improved knowledge about our planet, the geographers can now give us the answers.

Australian Geographic

The Australian pedestrian button

Dr Karl’s ode to the ergonomic and elegant design of the pedestrian button. IN 1884, PLAYWRIGHT Oscar Wilde wrote, in The Value of Art in Modern Life, “I have found that all ugly things are made by those who strive to make something beautiful, and that all beautiful things are made by those who strive […]