Podcast Episodes
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Faster than Light with Prof. Geraint Lewis
Season 3 Episode 29
Speed limits are painful. So why is there a light speed limit on space travel (299,792km/s) ? Surely we can bend Einstein without breaking the Univer…
5 years, 11 months ago
Black Hole Families with Dr Jessica Bloom (199)
Season 3 Episode 28
Meet the Black Hole family. Dr Jessica Bloom takes Dr Karl through the three we've identified so far. So do they do more than suck ? Was Roger Penros…
5 years, 11 months ago
Black Hole Origins with Dr. Jessica Bloom
Season 3 Episode 27
Extraordinary discoveries are being made in the galactic darkness. Dr. Jessica Bloom assembles the historical, theoretical and observational data tha…
5 years, 11 months ago
Entropy with Prof Geraint Lewis
Season 3 Episode 26
Entropy comes from the Greek word for transformation. It is often used to describe the irreversible evening-out of stuff. In astronomy it is often ca…
5 years, 11 months ago
Shuttle vs Soyuz vs Dragon - Rocket Science with professor Geraint Lewis (195)
Season 3 Episode 25
2020 is a milestone in space travel. The International Space Station received astronauts from a privately owned mission. So how do the USA's shuttle,…
5 years, 11 months ago
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…
6 years 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…
6 years 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…
6 years 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 …
6 years 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…
6 years, 1 month ago