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Shirtloads of Science

Shirtloads of Science

456 episodes — Page 5 of 10

S5 Ep 3Stellar Lifecycles #2 with Professor Lewis (272)

What colour is our Sun? (or Sol as local folks call it). How long will it stay that way? Professor Lewis resumes his fascinating journey in time space and consciousness. We pick up where things are now and go forward to the end. How does it all end? Listen with Dr Karl on this multi-trillion year trip. drkarl.com geraintflewis.com

Jan 16, 202219 min

S5 Ep 2Stellar Lifecycles #1 with Professor Lewis (271)

For some stars, life begins at 10 billion years. Professor Lewis leads Dr Karl on a trillion year expedition from birth to a young adult expanding universe. The first part of a fascinating journey in time, space and consciousness. drkarl.com geraintflewis.com

Jan 9, 202221 min

S5 Ep 1Nuyina - Australia's new Antarctic Traveller (270)

Australia has a new Antarctic Vessel. Jono Reeve takes Dr Karl on a virtual tour of the features of the RSV Nuyina. drkarl.com RSV Nuyina

Jan 2, 202222 min

S4 Ep 52James Webb telescope with Dr Jessica Bloom (269)

There were high hopes for the Hubble space telescope. Eventually they were realised with pictures of galaxies beyond our widest visions. This century the James Webb promises both time and space with a different universal perspective. Dr Jessica Bloom on why this is a game changer.

Dec 27, 202121 min

S4 Ep 51Forever Young with Dr Bloom (268)

The diseases of ageing are already overwhelming health care facilities. In the decades ahead, our older populations will put even more pressure on health unless there are medical breakthroughs. These diseases are proving stubborn to medicate and cures are very rare. A human fountain of youth has yet to show itself. In other animals, things appear easier to treat with less complex biochemistry to get in the way. Dr Bloom explains to Dr Karl why a family of proteins called Sirtuins may hold some hope.

Dec 19, 202127 min

S4 Ep 50Primordial Black Holes with Professor Lewis (267)

In 1966, two Soviet cosmologists proposed the existence of primordial black holes. 55 years on, evidence mounts that these ancient bodies actually exist. They are the stem cells of the cosmos scattered on a universal matrix and may be pre-atomic. Professor Lewis takes Dr Karl back to the very beginning for an encounter with these dark beasts.drkarl.com geraintflewis.com

Dec 12, 202126 min

S4 Ep 49Static Electricity with professor Lewis (266)

A zap from a doorknob or a lightning bolt that sets fire to a forest, these events are notoriously unpredictable. If there is an imbalance of electric charge, a Static Electricity event "might" happen. Things like air humidity or microscopic superficial bumps can play a role – but how much? Professor Lewis explains the known physics and yet-to-be discovered secret life of static electricity with Dr Karl. drkarl.com geraintflewis.com

Dec 5, 202125 min

S4 Ep 48Cannibal Stars with Professor Lewis (265)

What happens when a star gets hungry? Could it eat another star? Cosmic cannibalism is a thing. 500 million years ago in a galaxy far, far away – to be precise, about 500 million light years away one of two stars gobbled the other. Professor Lewis explains to Dr Karl the physics and cosmology of devouring your neighbours. drkarl.com geraintflewis.com

Nov 28, 202126 min

S4 Ep 47Covid comms with Professor Leask (264)

Covid continues to test public health and communications. Our best explainers have put themselves in the front line to keep us safe. Some, including Professor Julie Leask, have been threatened. Dr Karl discusses why health professionals have been under attack for doing their Job. drkarl.com

Nov 21, 202127 min

S4 Ep 46Planetary Climates close to home with Professor Tuthill (263)

Venus and Mars may have once supported life. What went wrong? Professor Tuthill walks Dr Karl through the physics of changing climates on our neighbours. There are lessons for us Earthlings. drkarl.com

Nov 14, 202124 min

S4 Ep 45Nobel Physics 2021 with Professor Tuthill (262)

The 60s, 70s and 80s was when their prize-winning work was done., Their modelling made "Groundbreaking contributions to our understanding of complex systems". These Nobel physicists explored how to estimate climate changes with greenhouse gasses. Nobel-2021 drkarl.com

Nov 7, 202123 min

S4 Ep 44Cyber Society with Professor Genevieve Bell (261)

Cybernetics meets anthropology - Professor Genevieve Bell loves blended disciplines. She is a renowned anthropologist, technologist, and futurist. She spent more than two decades in Silicon Valley. Her passion - making tech work better with humans and social systems. Too often technologists forget human needs or exploit weaknesses. Both can lead to disaster. Dr Karl in conversation with a progressive Australian futurist. htttps:\\drkarl.com @feraldata

Oct 31, 202128 min

S4 Ep 43AI Myths #4-6 busted with professor Toby Walsh (260)

Artificial Intelligence is proliferating so how deep will it penetrate society. Are Robot domestic helpers, interpreters, navigators, lawyers or judges on their way? What about autonomous nuclear submarines? Should we be drawing lines? AI expert professor Toby Walsh has answers for Dr Karl's questions. https:\\drkarl.com @TobyWalsh

Oct 24, 202123 min

S4 Ep 42AI Myths #1-3 busted with professor Toby Walsh (259)

Artificial Intelligence is here and embedded in modern life. So how best to traverse those "uncanny valleys" between robots and humans? Can computer Art or Sculpture express human feeling? Could AI math (re-factorable numbers) keep us safer? Professor Toby Walsh is an expert and has answers for Dr Karl. https:\\drkarl.com @TobyWalsh

Oct 17, 202123 min

S4 Ep 41Dr Bloom and women in science (258)

October 15th is Ada Lovelace Day and celebrates women in science, tech, engineering, and math. Ada was Lord Byron's daughter but most significantly she realised the potential of computers two centuries ago. Ada is now believed to be the first person to publish an algorithm. She is one of many women forgotten by science as Dr Jessica Bloom tells Dr Karl. https:/drkarl.com

Oct 10, 202126 min

S4 Ep 40Australia's Chief Scientist, Doctor Cathy Foley (257)

Doctor Karl talks with the Chief Scientist of Australia. Superconductors, Sunscreen, LEDs, Phonons, Vaccines - is anything off limits? In an age where science is everywhere how does a Chief Scientist operate ? https://www.chiefscientist.gov.au/ Twitter @ScienceChiefAu drkarl.com

Oct 3, 202131 min

S4 Ep 39What's eating Professor Davies? (256)

Dr Karl and cosmologist professor Paul Davies discuss what we are still learning about the Universe. Antigravity, inflation, Olbers' paradox, extraterrestrial life - have been eternal puzzles. Piece by piece we are assembling a bigger picture ... but is it getting any clearer ? https://drkarl.com/ https://beyond.asu.edu/ [email protected]

Sep 26, 202128 min

S4 Ep 38A Cycling Universe with Professor Geraint Lewis (255)

Is our universe one of a long cycle of repeating universes? Or is it something different? Dr K takes a ride with Prof Geraint through concepts of cycling universes. http://www.drkarl.com http://www.geraintflewis.com

Sep 19, 202132 min

S4 Ep 37Marsupial Immunity with Professor Kathy Belov (254)

130 million years ago marsupials roamed the earth along with dinosaurs. Today only marsupials survive. Dr Karl meets Professor Kathy Belov to discover their secrets of survival and what we are now learning from them. Anyone for koala peptides ? http://www.drkarl.com https://twitter.com/kathybelov

Sep 12, 202124 min

S4 Ep 36Globular Mysteries with Prof Geraint (253)

Globular clusters are spherical collections of stars. The Milky Way has 150. Most galaxies have them. Professor Lewis gives an update on these freaky outliers. Are they are older and wiser residents of galactic space? http://www.drkarl.com http://www.geraintflewis.com

Sep 5, 202131 min

S4 Ep 35Baryonic vision with Prof Geraint and Dr Karl (252)

Did the Big Bang make a noise? Can we measure the acoustics of a star? Neutrons or Protons - which lasts longest ? A 20-year experiment has answers to questions we never thought of asking. Professor Geraint Lewis reveals to Dr Karl the power of the baryon. http://www.drkarl.com http://www.geraintflewis.com

Aug 29, 202127 min

S4 Ep 34DrKarls Q&A school (251)

On Wednesdays Dr Karl meets with school students around Australia (and sometimes overseas). He loves hearing what the curious young minds are thinking about. Their questions often set off new ways of thinking. Occasionaly the simplest questions are the hardest. This episode of Shirtloads is a Q&A session with the students from Aspendale Primary School, Victoria in May 2021. Enjoy! https://drkarl.com

Aug 22, 202141 min

S4 Ep 33CUAVA-1 - Australia's Blue Carbon Space mission (250)

Dr Karl investigates Australia's latest CubeSat mission. It's called "CUAVA-1" and aims to measure blue carbon from space. Geosciences Associate Professor Eleanor Bruce is coordinating the team of researchers mapping coastlines for aquatic vegetation. Space Physics Professor Iver Cairns is squashing the technology into a package the size of a fat packet of biscuits. Dr Karl uncovers a truly Australian "Apollo 13" story . It includes a fishing line, amateur radio enthusiasts and a clever ground crew who "worked the problem". The mission was INSPIRE-2. Professor Eleanor Bruce and Professor Iver Cairns tell this extraordinary story. drkarl.com @arc_cuava Cuava1 Cubesat

Aug 15, 202126 min

S4 Ep 32The INSPIRE-2 CubeSat incident (249)

Dr Karl uncovers a truly Australian "Apollo 13" story . It includes a fishing line, amateur radio enthusiasts and a clever ground crew who "worked the problem". The mission was INSPIRE-2. Professor Eleanor Bruce and Professor Iver Cairns tell this extraordinary story. drkarl.com Inspire2 Cubesat @arc_cuava

Aug 8, 202126 min

S4 Ep 31Gravitational Waves & Black Holes with Professor Susan Scott (248)

In 2015 our observable universe unofficially added a new dimension. Dr Karl talks with ANU Professor Susan Scott about why she had to keep the discovery of gravitational waves a secret. Also how gravitational waves are helping us understand black holes so much better. @ozgravityguru drkarl.com

Aug 1, 202128 min

S4 Ep 30Gravitational Waves & Neutron Stars with Professor Susan Scott (247)

In 2016 our observable universe officially added a new dimension : Gravitational waves. On that international LIGO team was an Australian theoretical physicist. Dr Karl talks with ANU distinguished professor Susan Scott about those observations and what Neutron stars may be revealing about their insides. @ozgravityguru drkarl.com

Jul 25, 202119 min

S4 Ep 29Extreme Sailing with Lisa Blair (246)

The fastest circumnavigation route by sea is via the Southern Ocean around Antarctica. It is also the most dangerous. Australian solo sailer, Lisa Blair, has been there once already. She now is trying again . Dr Karl finds out why. lisablairsailstheworld.com drkarl.com

Jul 18, 202122 min

S4 Ep 28Matthew Evans & Soil Symbiosis (245)

At best, Earth is 1/3 soil. In recent years much has turned to dirt. This too-little-reported extinction crisis threatens us all. Chef and Farmer Matthew Evans gives Dr Karl his insight on the inch-thick survival strategy that could save us. We need to reinhabit the surface of our earth with a natural biome. drkarl.com Matt Evans

Jul 11, 202128 min

S4 Ep 27Utes & Unis with Dr Richard Denniss (244)

Budgets are economic planning documents. Spending will feed growth. Cuts cause shrinkages. So what do Australian budgets say about the future ? Dr Karl asks economist Dr Richard Denniss' for his insights into the choices for 2022 and beyond. (Ute=Utility=Pickup (USA) & Uni=University) @RDNS_TAI Drkarl.com

Jul 4, 202118 min

S4 Ep 26Biodiversity G Zero with Alana Burton (238)

Dr Karl meets a PhD student studying frogs on Australia's East Coast. Many species are on the edge of extinction. Frogs living on the fringe of human habitations are most at risk. So how best can we best care for biodiversity ? IUCN Redlist Frog ID App ebird

Jun 27, 202120 min

S4 Ep 25Collagen with prof Clare Collins (237)

Celebrities often support pills, potions and creams that purport to make you look younger. What about dietary supplements for your skin ? Jennifer Aniston became the face of one brand's collagen campaign recently. Is there any science in it ? Professor Clare Collins tells Dr Karl. the conversation nomoneynotime

Jun 20, 202119 min

S4 Ep 24Sirtfood diet decoded with Prof Clare Collins (236)

Dietician Professor Clare Collins gives this celebrity diet expert analysis. UK singer Adele claimed it transformed her (along with Pilates and a personal trainer). The diet is based on a group of proteins called "Sirtuins". Adele sang its praises but is Sirtfood a fad, a fact or something in-between? the conversation

Jun 13, 202121 min

S4 Ep 23Journey into a Nucleus with Professor Lewis (235)

What is inside the heart of an atom ? Why does it stay together ? The relative dimensions of atoms are huge - Imagine a fly in a cathedral (the fly is a nucleus). Professor Lewis takes Dr Karl on a journey to the center of matter as we know it. drkarl.com www.geraintflewis.com

Jun 6, 202127 min

S4 Ep 22Keto vs Carbs with Dr Nick Fuller (234)

Dr Karl visits Dr Nick to compare two currently popular diets - the Low carbohydrate and the Ketogenic diet. . Dr Fuller talks through the basics of both and and what you can do to make lasting healthy changes. @drnickfuller intervalweightloss.com.au

May 30, 202126 min

S4 Ep 21Corals Classified with Sage Fitzgerald (233)

Taxonomy is how science classifies life. Sage Fitzgerald is a coral taxonomist and in this episode she schools Dr Karl on how it works. They discuss the phoenix project and the chase for new coral species and news from the Great Barrier Reef. Sage is also involved in the 'Pint O Science' Festival running until 28 May 2021. @seasciencesage coralprojectphoenix.org

May 23, 202122 min

S4 Ep 20Best Diets with Dr Nick Fuller (232)

Dr Karl visits Dr Nick for an analysis of the latest diets. In Covid times it is harder to stay in shape. Dr Fuller talks through the basics and what we can do to make healthy changes that last. @drnickfuller intervalweightloss.com.au

May 16, 202128 min

S4 Ep 19Dr Karls' Deepest interview with Tim Macdonald (231)

An interview with one of the pilots of a 10.9 km dive into the Mariana Trench. It is deeper than Everest is high . The two-seat submersible is capable of withstanding huge forces and Dr Karl discusses the extreme physics and engineering needed to build and test the craft. drkarl.com

May 9, 202126 min

S4 Ep 18Muons matter with Professor Lewis (230)

When subatomic particles make news, Dr Karl and Professor Lewis are ready to help. The "chubby electron" has been neglected for decades, so why the fuss ? By popular request here is a special episode dedicated to why muons matter. www.geraintflewis.com http://drkarl.com

May 2, 202128 min

S4 Ep 17Future Universe History part 5 with Professor Lewis (229)

What happens when the temperature seriously drops? Will "Dead Star" be more than a David Bowie album? Are protons the new Time lords? How Cool is a cool Universe ? Proessor Lewis updates Dr Karl on what the end of time miht look like. www.geraintflewis.com http://drkarl.com

Apr 25, 202121 min

S4 Ep 16Future Universe History part 4 with Professor Lewis (228)

"Falling towards Virgo" is a big something . Our galactic future is wrapped up in it (according to current physics). Prof Lewis leads Dr Karl through our projected future. Also tips on how to spot Geraint's personal Quasar. www.geraintflewis.com http://drkarl.com

Apr 18, 202123 min

S4 Ep 15Future Universe History part 3 with Professor Lewis (227)

The Kruszelnicki-Lewis sagas continue. The Future History part 3 is Unashamedly from an Earthling perspective it is based on accepted current theories. Professor Lewis confesses he's a Silurian. www.geraintflewis.com http://drkarl.com For completists "Future Universe History' parts 1 & 2 were eps 215 & 216.

Apr 11, 202125 min

S4 Ep 14Trillion Dollar fix with Rowan Hooper (226)

Imagine you have a trillion dollars to solve some really big problems. Things like climate change, disease and poverty. Dr Karl meets Rowan Hooper from the New Scientist, who has written about the economics of giant projects. They are more affordable, some pay for themselves and some become more expensive the longer we do nothing. @rowhoop drkarl.com

Apr 4, 202129 min

S6 Ep 2Value of a Life with Richard Denniss (225)

Covid19 is revealing stark truths. The preservation of human life is both economic and cultural. Is there a better path ? Dr Karl discusses the value of a human life with Australian economist Dr. Richard Denniss. Both sides of the balance sheet have merit. Summers Link

Mar 28, 202124 min

S4 Ep 12Quarks, Leptons, Bosons and beyond with Professor Lewis (224)

When atoms were smashed, particle physics went nuts. The subatomic domain should describe everything but so many pieces are missing. Dr. Karl and Professor Lewis look inside the atom in this podcast. So what the flip is subatomic particle physics ? drkarl.com

Mar 21, 202121 min

S4 Ep 11Particle Physics with Professor Lewis (223)

Our lives are governed by physics. It is the science of matter and energy and without both we wouldn't be here. This past century we have discovered more about physics than ever before. Dr. Karl and Professor Lewis are going atomic in this podcast. So what the flip is particle physics ? Drkarl.com

Mar 14, 202121 min

S4 Ep 10Affluenza with Richard Denniss (222)

A disease has infected our civilisation. It is not a virus but we created it. Dr Richard Denniss calls it "Affluenza" and it may ruin everything if we don't fix it soon. @RDennisTwitter Curing Affluenza Drkarl.com

Mar 7, 202124 min

S4 Ep 9Electric Cars Downunder with Bridie Schmidt (221)

Australia is sunny and flat. It should be the perfect place for Electric Vehicles. So why are Australians so slow to buy them ? Dr Karl asks lead journalist, Bridie Schmidt, from thedriven.io newsletter about the sluggish takeup downunder.

Feb 28, 202122 min

S4 Ep 7Infinity and Beyond with Dr Jessica Bloom (219)

Boundless. Limitless. The concept of Infinity has been with us for millennia. Dr Jessica leads Dr Karl on some mind experiments to see how our finite minds comprehend the universal.

Feb 14, 202129 min

S4 Ep 6Four diets compared with Professor Clare Collins (167)

Four popular diets. Professor Collins gives two a conditional tick. It's Fast vs Mono vs Noom vs Charcoal. Can you pick the best ? Years of expertise sorts the dangerous from the reliable - rpt drkarl.com the conversation

Feb 7, 202130 min

S1 Ep 115Annie Handmer, Australia's Space Diplomat

Specialist jobs are being created right now. Annie Handmer is ahead of the game as a "Space Diplomat". If junk from the sky kills your satellite or pollutes your land then space law applies. You need representatio. Who to call ? Discover how innovation and passion fuel a fresh generation of innovators.

Jan 24, 202113 min