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PODCAST

Shirtloads of Science

Dr Karl Kruszelnicki

Dr Karl"s a curious optimist – a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, it"s never too late for a happy childhood. https://drkarl.com/

science physics

All Episodes

22:12

Prof. Anita Ho-Baillie and Perovskite Solar Cells (192)

Shirtloads of Science ·

2020/06/28

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 a solar film that squeezes 10% more out of the sun ? Professor Anita Ho-Baillie walks Dr Karl through solar PV and this phenomenal new approach. Barely 10 years in development, is there a Perovskite Solar efficiency race already ?

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20:58

Cosmic Rays with Dr Jessica Bloom (191)

Shirtloads of Science ·

2020/06/21

They're Cosmic ... but are they Rays ? Dr Karl gets the briefing from a recent University of Sydney astrophysics graduate, Dr Jessica Bloom. Cosmic Rays were found ages ago and still baffling us with more questions. Dr Jessica and Dr Karl go to the ends of the earth on this cosmic quest. https://drkarl.com/ https://www.facebook.com/astrokitten/photos/

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23:54

Covid-19 - The Tests with Prof Eddie Holmes (190)

Shirtloads of Science ·

2020/06/14

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 Holmes in Part 3 of this series looking at Covid-19 tests. What is the difference between them ? Professor of Virology, Eddie Holmes also explains how our immune system fights a virus and why this one has been so hard to beat - so far. @EdwardCHolmes https://drkarl.com/ Note: episode recorded in late May 2020 using data available at the time

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18:47

Covid-19 - The Numbers with Prof. Eddie Holmes (189)

Shirtloads of Science ·

2020/06/07

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 Holmes why and also discovers which local factors also affect Covid-19 statistics. Australia's secret national chook stockpile is revealed and Professor Holmes estimates the rubbery-ness of some well known figures. Note: episode recorded in late May 2020 using data available at the time. @EdwardCHolmes https://drkarl.com/

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20:00

Covid-19 - Viral History withProf Eddie Holmes (188)

Shirtloads of Science ·

2020/05/31

Virology and evolutionary biologist Professor Eddie Holmes takes Dr Karl time travelling to visit a deadly virus. Many of today's treatments took thousands of years to develop. Smallpox proved to be a tough virus to manage but it also taught us how to fight back. From skin scratching to cows, the American Civil War, Baltic mummies and DNA - Science finally stopped smallpox in its tracks. @EdwardCHolmes https://drkarl.com/ Note: episode recorded in late May 2020 using data available at the

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22:47

Covid 19's chemical enemy (187)

Shirtloads of Science ·

2020/05/24

A-Prof Alice Motion explores the chemistry and properties of the 29th element for Dr Karl. This persistent contact killer is amazingly passive (nothing else is needed). We've known of its benefits for thousands of years and yet chrome, plastics and stainless steel prevail in our healthcare facilities. @all_isee @_breakinggood https://drkarl.com/

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21:18

When Stars are born, they Shake (186)

Shirtloads of Science ·

2020/05/17

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 understanding of new stars. https://www.sydney.edu.au/news-opinion/news/2020/03/10/astronomy-new-type-of-pulsating-star-discovered.html http://drkarl.com

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21:23

The Great Attractor (185)

Shirtloads of Science ·

2020/05/10

We can't see the Great Attractor but we've measured its presence. We're falling into Virgo and Virgo can't resist its force. Is Dark Energy involved? What is the "zone of avoidance"? Professor Geraint Lewis helps Dr Karl with his homework. http://www.physics.usyd.edu.au/~gfl/ http://drkarl.com

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19:12

The Cosmic Revolutionary's Handbook (184)

Shirtloads of Science ·

2020/05/03

Dr Karl & Prof G. Lewis discuss the gaps and guesses that string together our understanding of the Cosmos. So what happens if we find a mistake in one of Einstein's predictions ? It's one of the discussion points in Geraint Lewis' latest book written with Luke Barnes. https://www.booktopia.com.au/the-cosmic-revolutionary-s-handbook-luke-a-barnes/book/9781108486705.html drkarl.comhttp://www.physics.usyd.edu.au/~gfl/

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22:09

Squeezing Stars with Prof Geraint Lewis part two (183)

Shirtloads of Science ·

2020/04/26

It's part two of the Neutron star exploration with Professor G. Lewis. He takes Dr Karl layer by layer down to the core. Things are so squashed in there that quantum physics takes over. Escape from the lockdown inside a star where things go subatomic. http://www.physics.usyd.edu.au/~gfl/

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19:37

Squeezing Stars with Prof Geraint Lewis part one (182)

Shirtloads of Science ·

2020/04/19

What happens when you squeeze a star ? Dr Karl gets inside one with Professor G. Lewis. They travel from the subatomic level up with the latest on Neutron Stars. Trigger Warning - Quarks and Bosons are mentioned . It's part one with more from the Neutrons next time. http://www.physics.usyd.edu.au/~gfl/

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19:14

Stellar tides with Prof Don Kurtz & Dr Simon Murphy...

Shirtloads of Science ·

2020/04/12

To study the stars, look to the ocean. Water ebbs and flows under the influence of gravity. Astronomers see tides in moons, stars and around black holes. Dr Karl talks with two astrophysicists who recently measured a bulging star with earth-like tides.

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30:17

A Perfect Poo with prof Claire Collins (180)

Shirtloads of Science ·

2020/04/05

A perfect poo has metrics. Dr Clare and Dr Karl describe the best solid expressions. Length, thickness, mass and diet. What makes the perfect poop ? https://theconversation.com/had-constipation-here-are-4-things-to-help-treat-it-123364

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24:14

Einstein, Newton & Frame Dragging with Prof Geraint...

Shirtloads of Science ·

2020/03/29

Seventy-five percent can be described by Einstein. The remainder? It drove Albert to question his work till his dying day. Dr Karl and Dr Lewis discuss evidence for the missing theory . http://www.physics.usyd.edu.au/~gfl/

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25:52

3 doctors on Carbon, the Sun and Xenobots (178)

Shirtloads of Science ·

2020/03/22

They're back ! Dr Karl on why carbon dioxide is so insidious in the atmosphere. Dr Alice Motion on the best Instagrams yet of our sun and Dr Jessica Bloom on the rise of bio-robots. The original shirtloads gangsters are in the lab.

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21:00

Dr Michael Mann (177)

Shirtloads of Science ·

2020/03/15

American climatologist Michael Mann drew a chart back in 1999 . It's called "The Hockey Stick Graph" because of the way it shoots up. There was no new information in it and it drew on agreed international temperature data. Like Charles Darwin, Dr Mann dared to publish. His "hockey stick" still makes him a target for fossil fuel lobbyists. So what happens when a scientist is taken on by powerful interests ? Dr Karl asks him about the experience.

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17:59

Hyper Velocity Stars with Prof Geraint Lewis (176)

Shirtloads of Science ·

2020/03/08

One star, observed in outback Australia, may hold new clues to dark matter and black holes. It's a milky way neighbour but moving very fast. Prof Geraint Lewis takes Dr Karl on his quest for answers. http://www.physics.usyd.edu.au/~gfl/

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24:06

Corey Tutt - NSW Young Australian (175)

Shirtloads of Science ·

2020/03/01

The Young Australian of the Year Award recognises 16- to 30-year-old Australians. It rewards their achievements and contributions. Dr Karl meets Corey Tutt, the NSW winner for 2020. Corey has already made an extraordinary difference with his Deadly Science initiative.

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24:09

The Hubble Tension with Prof Geraint Lewis (174)

Shirtloads of Science ·

2020/02/23

The Hubble Space Telescope launched in 1990. It is named after the American astronomer who found our universe was expanding. Ninety years on, with much better kit, Hubble’s ideas still hold. The question is how fast are we inflating? This is the Hubble tension and Prof Geraint Lewis leads Dr Karl through the deep space discussion. http://www.physics.usyd.edu.au/~gfl/

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23:45

Cats & "Toxo" - from Kitty Litter to the eyeballs...

Shirtloads of Science ·

2020/02/16

What is the science behind warning pregnant women to stay away from cat faeces ? It involves a parasite (called "Toxo" for short) that migrates between humans and their cats. The risk to unborn children is real and world renowned expert, Professor Justine Smith, takes Dr Karl through the life cycle from Kitty Litter to the eyeballs.https://www.flinders.edu.au/people/justine.smith

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452 results

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