Physical Attraction is the show that explores topics in science, technology, and the future - from a physicist's perspective. From the birth of stars to the end of the world, from interviews with experts to meticulously-researched deep dives, we'll explore the topics that shape our world.
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In the last episode, we briefly introduced "climate change doomers" and some of their misleading claims. In this episode, I talk about despair, and why we cannot give in to it.
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We're going there. In this episode, I discuss why civilization is not going to imminently collapse due to climate change, explain why doomism is a new form of denialism, and debunk some of its most misleading claims.
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UNLOCKED: Book Club: Tim Wu's The Attention Merchants
36:48
36:48
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36:48A new episode released from behind the Patreon paywall. This episode, we'll review and discuss some of the issues raised by Tim Wu's The Attention Merchants, a book that details the history of the advertising industry.
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Climate 201 NETS XI: Direct Air Capture, p2 and NETS conclusion
41:21
41:21
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41:21In this episode, we will continue our analysis of Direct Air Capture and conclude the series on negative emissions - crucial component of decarbonisation, or a techno-utopian distraction from the real problems we face? [Don't expect an actual answer]
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Climate 201 NETS X: Direct Air Capture, part 1
37:57
37:57
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37:57Direct Air Capture - machines that suck carbon dioxide out of the atmosphere. Could this be the solution to a scaleable negative emissions industry? We'll discuss the pros and cons of the technology in this episode.
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BONUS: Black Mirror IRL pilot - Be Right Back
40:10
40:10
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40:10Hi all! This is a slightly special bonus episode. Some years ago I had plans for another series "Black Mirror IRL", which was going to be a series of episodes looking into the technologies mentioned and featured in the Netflix Series Black Mirror. Is anyone working on these technologies in real life? What would their potential social implications b…
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Climate 201: NETS VII: Ecosystem Restoration and Mangroves
42:33
42:33
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42:33What are "nature-based solutions" to climate change? Can we restore the ecosystems that we've destroyed? And how can restoring mangroves help us to suck carbon dioxide out of the atmosphere?
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Climate 201, NETS IX: Ocean Iron Fertilization
30:12
30:12
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30:12"Give me a tanker full of iron, and I'll give you a new Ice Age." It might sound like something Hank Scorpio would say, but this episode will deal with the very real idea of stimulating plankton blooms to remove CO2 from the atmosphere - ocean iron fertilization.
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Climate 201: NETS VIII: Enhanced Weathering
29:32
29:32
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29:32How could grinding up rocks and sprinkling the dust over vast areas help to combat climate change? In this episode, we deal with "enhanced weathering" as a potential source of negative emissions.
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Climate201 NETS VI: Planting Trees and Afforestation
51:24
51:24
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51:24Mention carbon capture, and the refrain you'll often hear is "why invent a machine that captures CO2? We already have one - it's called a tree." But is large-scale afforestation as a negative emissions solution so simple? We dig into its potential in this episode of our series on negative emissions.
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Climate 201: NETS V: Carbon Capture, Utilisation, and Storage
55:15
55:15
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55:15N/B: Owing to a ridiculously hectic schedule until the end of the year, episodes will continue to be released on a fortnightly basis until further notice - thanks for understanding. We hear an awful lot about carbon capture, utilisation, and storage as a technology that could help to mitigate climate change. In this episode, we review the science, …
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Climate 201: Negative Emissions IV: Bioenergy with Carbon Capture and Storage (BECCS)
1:04:56
1:04:56
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1:04:56In this episode, we get into some of the specific technologies that might be called upon to deliver negative emissions at scale. Specifically, we're looking at the advantages, disadvantages, and concerns surrounding BECCS (Bioenergy with Carbon Capture and Storage.)
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Climate 201, Negative Emissions III: Technological Promises, or Prevarications
1:05:34
1:05:34
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1:05:34In this episode, we discuss whether the promises that some new technology - like negative emissions - will come along and "solve climate change" for us are genuine, or if they have instead shaped climate policy into prevarication and procrastination.
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Climate 201: Negative Emissions (II): We'll Always Have Paris?
44:17
44:17
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44:17Increasing levels of negative emissions are envisioned by models in climate-change scenarios that are compatible with the Paris Agreements. In this episode, we talk about some of the geopolitical implications for trying to deliver this, and the alternative futures that we can envision. Do "thinly-veiled techno-utopias shore up the Paris Agreement?"…
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Climate 201: Negative Emissions I: The Last Thing We Should Be Talking About?
43:55
43:55
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43:55Negative emissions technologies (NETs), also called carbon dioxide removal (CDR), are seen by many as an increasingly essential part of climate change mitigation. Many of the scenarios that the IPCC suggests for meeting the Paris Agreement goals suggest that we will suck billions of tonnes of CO2 out of the atmosphere by the end of the century - us…
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Book Club: Jason Hickel's The Divide, Part I: The Origins of Global Inequality
59:37
59:37
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59:37The book club returns, with a two-part review and overview of anthropologist Jason Hickel's book "The Divide", about global inequality, its historical origins, and possible solutions in the future.
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Cosmology, VII: Cosmological Contradictions
33:45
33:45
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33:45In this episode, we discuss the ongoing battle throughout the 1930s and 1940s between those who believed in a steady-state Universe, and those who thought it was expanding - and how it took more observations to overcome these cosmological contradictions.
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TT: Climate, CCS Struggles as Adaptation Stalls
45:09
45:09
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45:09To close out this series of news episodes, we discuss the depressing failure of carbon capture and storage projects in Australia, as well as the far-too-slow approach to climate change adaptation across the world.
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Thermonuclear Takes: Amazon Carbon Stocks and Global Green Recovery Progress Update
28:15
28:15
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28:15In this episode of Thermonuclear Takes, we tackle a couple of recent climate-related news stories - the "tipping point" carbon flux measurements from the Amazon rainforest, and the IEA's progress report on a global green recovery.
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Thermonuclear Takes: The Little Robot That Couldn't
24:58
24:58
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24:58Updates on the Softbank Vision Fund and the sad fate of Pepper the robot.
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Thermonuclear Takes: Muon Madness Melting Models... Maybe?
27:41
27:41
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27:41In this news episode, I discuss recent anomalies around the muon - B-particles decaying into muons, and the muon's anomalous magnetic moment - and whether they herald the glorious dawn of a new era of physics, or are just a mistake.
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Thermonuclear Takes: Show updates, cosmology feedback, particle physics
33:06
33:06
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33:06In this news-y episode, I will give you some updates on how the show is progressing, share some listener emails on our cosmology series, and set up next episode's discussion of some recent results in high-energy physics.
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Cosmology VI: Cosmic Eggs and the Edge of the Universe
30:02
30:02
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30:02In this episode, we cover the different kinds of universal horizon, whether the Universe has an edge, and talk about how theoretical physicists pondered how it all might've began.
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At the dawn of theoretical cosmology, Einstein introduced the so-called "Cosmological Constant" into his equations to explain how the Universe could be static and unchanging in time. He would later say that it was his greatest mistake.
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In this episode, we look at how Einstein's theory of general relativity gave rise to a theoretical framework for examining cosmology - the evolution of space, time, and the Universe in general - as a whole.
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