Podcast Episodes
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How constant is the Hubble constant with professor Geraint Lewis
Season 3 Episode 24
Ninety years ago we first measured the rate of our expanding Universe. Today our accuracy is better but the new techniques are producing different nu…
5 years, 6 months ago
Fast Radio Bursts and Magnetars with professor Geraint Lewis
Season 3 Episode 23
First observed in 2007, FRBs are becoming a very useful astronomical tool. In 2020, flashes were analysed and suggested an answer to that age-old qu…
5 years, 6 months ago
The concept of Proof with Professor Geraint Lewis
Season 3 Episode 22
What does "proving" a theory really mean ? Is there a difference between Scientifically proving or proving it Mathematically ? Dr Karl and Prof Gera…
5 years, 6 months ago
Prof. Anita Ho-Baillie and Perovskite Solar Cells
Season 3 Episode 21
Solar PV Panels have transformed our energy mix in the 21st century. Efficiency is up and costs and carbon emissions are lower. What next ? Imagine …
5 years, 6 months ago
Cosmic Rays with Dr Jessica Bloom
Season 3 Episode 20
They're Cosmic ... but are they Rays ? Dr Karl gets the briefing from a recent University of Sydney astrophysics graduate, Dr Jessica Bloom. Cosmic R…
5 years, 6 months ago
Covid-19 - The Tests with Prof Eddie Holmes
Season 3 Episode 19
Lockdowns are a rational first response to a pandemic but what happens while we wait for a vaccine or treatment to be developed ? Dr Karl joins Prof …
5 years, 7 months ago
Covid-19 - The Numbers with Prof. Eddie Holmes
Season 3 Episode 18
Pandemics are complex so we rely on statistics to manage them. So how come the numbers vary so much around the world? Dr Karl asks Virology Professor…
5 years, 7 months ago
Covid-19 - Viral History withProf Eddie Holmes
Season 3 Episode 17
Virology and evolutionary biologist Professor Eddie Holmes takes Dr Karl time travelling to visit a deadly virus. Many of today's treatments took tho…
5 years, 7 months ago
Covid 19's chemical enemy
Season 3 Episode 16
A-Prof Alice Motion explores the chemistry and properties of the 29th element for Dr Karl. This persistent contact killer is amazingly passive (noth…
5 years, 7 months ago
When Stars are born, they Shake
Season 3 Episode 15
Dr Simon Murphy explains to Dr Karl the extraordinary behaviour of a star in the early stages of life. Observed only recently, it widens our unders…
5 years, 8 months ago