Physical Attraction

Latest Episodes:

TEOTWAWKI 1 - Nuclear Weapons: A Delicate Balance Mar 01, 2018

Show notes

Ten apocalypses later, we're finally here. It's easy to forget, living our comfortable lives, that there are hundreds of nuclear-armed missiles that could destroy civilisation at the drop of a hat... after just one order. Or maybe - an accident. In this episode, I'll talk about the history of nuclear weapons; some of the incidents when we came closest to annihilation; and what the world would look like after a nuclear war. You can follow us on Twitter @physicspod, and visit the website at www.physicspodcast.com There, you can donate to the show, and contact us with your comments, questions, concerns, praise, abuse, ideas for future shows, and so on.

Climate Conversation with Ben Franta: Scientist, Historian, Activist (II) Feb 22, 2018

Show notes

We have a guest on the show today - Ben Franta. Ben is a scientist, science historian, science writer, and activist. He studied for a PhD at Harvard working on solar cells; while he was at Harvard, he became involved in the movement to persuade that University to divest from fossil fuels. After finishing his first PhD, he moved to Stanford to take up a PhD in the History of Science, where he now studies the history of climate politics, and the influence of fossil fuel companies on that politics. His recent article in the Guardian, published on New Year's Day, explained how Edward Teller knew about global warming in 1959 and warned the fossil fuel industry - thirty years before it hit the mainstream.

The second half, which you're about to hear, is mostly about climate change activism: what can we do to most effectively deal with climate change? If you enjoyed what our guest had to say, you can find his work via his LinkedIn "Benjamin Franta": https://www.linkedin.com/in/benjaminfranta/ and follow him on Twitter @BenFranta. The article that Ben referred to, which details the case for climate activism, was written by Geoffrey Supran and Ploy Achakulwisut; it's on Mashable, and it's called "How You Can Fight Climate Change." https://mashable.com/2017/05/06/how-you-can-fight-climate-change/

Climate Conversation with Ben Franta: Scientist, Historian, Activist (I) Feb 14, 2018

Show notes

The first half, which you're about to hear, is a general discussion of the politics of climate change: why has this problem proved so difficult to deal with? If you enjoyed what our guest had to say, you can find his work via his LinkedIn "Benjamin Franta": https://www.linkedin.com/in/benjaminfranta/ and follow him on Twitter @BenFranta. The article that Ben referred to, which details the case for climate activism, was written by Geoffrey Supran and Ploy Achakulwisut; it's on Mashable, and it's called "How You Can Fight Climate Change." https://mashable.com/2017/05/06/how-you-can-fight-climate-change/

As always, you can follow us on Twitter @physicspod, and go to our website at physicspodcast.com, where you'll find a donate link that will help you support the show if you're so inclined. Until next time. *** Erratum: Ben mentioned that the UK currently gets some of its electricity imported from Iceland: this is actually a proposed scheme that's not currently operating, but hopefully will in the near future. There is indeed a cable between the UK and France that helps both countries match supply and demand, and the same is true between Denmark and Norway, which both draw the majority of their power from wind and hydroelectricity respectively. It's the way forward! https://www.landsvirkjun.com/researchdevelopment/research/submarinecabletoeurope https://en.wikipedia.org/wiki/Skagerrak_(power_transmission_system)

TEOTWAWKI: The Psychology of the End Feb 08, 2018

Show notes

Why are we so fascinated with the end of the world? How do we think about it? How do cognitive biases impact how we conceive of it? How can we account for existential risks to humanity? What is millenial thinking, and why do we fall into it? All this and more; it's Physical Attraction, the TEOTWAWKI specials. www.physicspodcast.com - where to go if you want to donate to us, or contact us with your questions.

@physicspod on Twitter - another great way to contact us if you can tolerate Twitter

Climate Change - Mitigation and Controversies Jan 26, 2018

Show notes

In this episode, I try to explore a little more the politics behind the simple question: why is it that virtually every other proclamation of physicists is accepted, but the consensus around anthropogenic climate change has been so difficult for people to accept? Remember: you can follow us on Twitter @physicspod You can find the website at www.physicspodcast.com And on either one of those, you'll find a sparkly donate button where you can give to us on Paypal if you want to help us cover our costs.

Climate Change and the Ozone Layer: Lessons from Montreal Jan 19, 2018

Show notes

You may remember not so long ago the hole in the ozone layer was the major scientific apocalypse story out there in the world. It could have proved devastating for society, but - after the Montreal protocol banned and heavily regulated the substances that were causing the problem, the ozone hole has begun to shrink and the crisis has died down. In this episode, I'll talk about the story of the ozone hole and what - if anything - it can teach us about our own efforts to combat greenhouse gas emissions and climate change.

TEOTWAWKI, Climate Change - Part II Jan 12, 2018

Show notes

In this second part of the climate change episode, I will talk about what climate change is going to do to us - what the worst case scenarios are - and what we can do, as individuals and as a collective, to stop it. Remember; if you enjoy the show, please tell others about it. You can visit the website at www.physicspodcast.com and you can find links there to support us via Patreon or Paypal, both of which will allow you to download bonus episodes at low, low prices.

TEOTWAWKI 2.2, Climate Change - Part I Jan 05, 2018

Show notes

Our environment links us all: and we know that we are doing immense harm to that natural environment with our human activities. But where are the weak links? What are the potential pitfalls for the natural world, and for civilisation? In other words - if we don't change our ways - what could happen? We all know that the climate is changing and that humans are responsible for the vast bulk of the change. (If you disagree, I really hope you'll listen to this episode, and I'm happy to take on any questions you might have.) But *why* is climate change happening, what will it mean for us and what we can do to stop it? In this first episode, I will explain the physical science basis behind climate change: what is a greenhouse gas, what are feedback loops, and why does it matter that our atmosphere has gone from 280ppm of carbon dioxide to 400ppm in the industrial era? Remember; if you enjoy the show, please tell others about it. You can visit the website at www.physicspodcast.com and you can find links there to support us via Patreon or Paypal, both of which will allow you to download bonus episodes at low, low prices.

TEOTWAWKI 2.1: Ecotastrophe Dec 29, 2017

Show notes

Our environment links us all: and we know that we are doing immense harm to that natural environment with our human activities. But where are the weak links? What are the potential pitfalls for the natural world, and for civilisation? In other words - if we don't change our ways - what could happen? This is a simply huge topic. So, for the sake of clarity, I'm going to split the ecological and environmental catastrophe into two parts. The first will focus on pollution, species extinction, and scarcity of resources – what you might call a general ecological collapse. The second part is going to focus on perhaps the most famous environmental problem we have: climate change. We'll start by talking about biodiversity - what does it mean for us and for the planet that biodiversity is in decline due to human activities? We'll also talk about some of the lesser-spotted environmental crises - topsoil degradation and the infamous disappearance of the bees amongst them. Remember; if you enjoy the show, please tell others about it. You can visit the website at www.physicspodcast.com and you can find links there to support us via Patreon or Paypal, both of which will allow you to download bonus episodes at low, low prices.

Stuart Armstrong - AI and the Future of Humanity Dec 26, 2017

Show notes

We have a guest on the show today! His name is Stuart Armstrong, and he works at the Future of Humanity Institute that we've mentioned several times over the course of the TEOTWAWKI specials who are looking at big-picture existential risks. Stuart Armstrong's research at the Future of Humanity Institute centers on the safety and possibilities of Artificial Intelligence (AI), how to define the potential goals of AI and map humanity's partially defined values into it, and the long term potential for intelligent life across the reachable universe. He has been working with people at FHI and other organizations, such as DeepMind, to formalize AI desiderata in general models so that AI designers can include these safety methods in their designs.

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