Synopsis
Dr Karls a curious optimist a great combination for a science lover. Join him and his guests for weird facts, amazing conversation and remember, its never too late for a happy childhood.
Episodes
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Stellar Lifecycles #2 with Professor Lewis (272)
16/01/2022 Duration: 19minWhat 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
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Stellar Lifecycles #1 with Professor Lewis (271)
09/01/2022 Duration: 21minFor 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
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Nuyina - Australia's new Antarctic Traveller (270)
02/01/2022 Duration: 22minAustralia 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
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James Webb telescope with Dr Jessica Bloom (269)
27/12/2021 Duration: 21minThere 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.
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Forever Young with Dr Bloom (268)
19/12/2021 Duration: 27minThe 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.
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Primordial Black Holes with Professor Lewis (267)
12/12/2021 Duration: 26minIn 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
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Static Electricity with professor Lewis (266)
05/12/2021 Duration: 25minA 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
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Cannibal Stars with Professor Lewis (265)
28/11/2021 Duration: 26minWhat 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
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Covid comms with Professor Leask (264)
21/11/2021 Duration: 27minCovid 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
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Planetary Climates close to home with Professor Tuthill (263)
14/11/2021 Duration: 24minVenus 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
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Nobel Physics 2021 with Professor Tuthill (262)
07/11/2021 Duration: 23minThe 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
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Cyber Society with Professor Genevieve Bell (261)
31/10/2021 Duration: 28minCybernetics 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
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AI Myths #4-6 busted with professor Toby Walsh (260)
24/10/2021 Duration: 23minArtificial 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
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AI Myths #1-3 busted with professor Toby Walsh (259)
17/10/2021 Duration: 23minArtificial 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
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Dr Bloom and women in science (258)
10/10/2021 Duration: 26minOctober 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
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Australia's Chief Scientist, Doctor Cathy Foley (257)
03/10/2021 Duration: 31minDoctor 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
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What's eating Professor Davies ?
26/09/2021 Duration: 28minDr 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/ deepthought@asu.edu
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A Cycling Universe with Professor Geraint Lewis (255)
19/09/2021 Duration: 32minIs 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
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Marsupial Immunity with Professor Kathy Belov (254)
12/09/2021 Duration: 24min130 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
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Globular Mysteries with Prof Geraint (253)
05/09/2021 Duration: 31minGlobular 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