Historical research guide · 0339 · 2022

Risk and Scientific Reputation: Lessons from Cold Fusion

Huw Price

In one minute

Huw Price — Cambridge philosopher of science, and a co-founder of the Centre for the Study of Existential Risk — spent ten years following low-energy nuclear reactions, the field the world still calls cold fusion, and here writes up what he learned about how science handles an unpopular idea. His argument is decision theory rather than physics. Where the cost of being wrong in one direction is enormous, the bar a claim must clear to deserve investigation should fall; he names this the Douglas Doctrine, after the philosopher Heather Douglas, and shortens it to high stakes, low bar. Against it he sets the reputation trap: once a field is labelled, researchers stay away to protect their careers, so the evidence that would settle it is never gathered. The second half is a field report, and it is the reason this page is here. Google, NASA Glenn, two EU consortia, a US Navy laboratory group and ARPA-E all reopened the question between 2015 and 2021. Price’s verdict is that the trap is opening.

Connection

Chapter 12 rests on NASA Glenn’s lattice confinement fusion papers, and this is the essay that explains why work of that quality sat outside the mainstream for thirty years, and what changed. It also hands chapter 1 its sharpest tool: when the cost of a false negative is enormous, the threshold for taking a claim seriously is a decision to be made deliberately, not a reflex to be inherited.

From the source

Tolerance for error should depend on what is at stake: where the consequences of a false negative are severe, the bar a claim must clear to deserve investigation falls. Price names this the Douglas Doctrine, after Heather Douglas, and proposes high stakes, low bar as its memorable form — setting the threshold that would recommend low-energy nuclear reactions for serious attention at about five per cent.Sections 11.1 and 11.4
The reputation trap is the pathology in which reputational cost rather than evidence keeps researchers away from a question, so the evidence that would settle it is never gathered; Price argues that the institutions of science helped build that trap around cold fusion, and that epistemic slurs are the mechanism that keeps it standing.Sections 1, 10, 11.2 and 11.3
Google funded a multi-institution re-examination of cold fusion from 2015, at a reported cost of about ten million dollars, and the team published in Nature in 2019: they found no evidence of the classic effect, reported that they could not attain the material conditions under which it is hypothesised to occur, and concluded that revisiting cold fusion is a risk worth taking.Section 8, quoting Berlinguette et al 2019
NASA’s Glenn Research Center published lattice confinement fusion in two peer-reviewed Physical Review C papers in 2020: deuterium fuel confined in the space between the atoms of a metal lattice held at ambient temperature, where the method creates an energetic environment inside the lattice in which individual atoms reach fusion-level kinetic energies.Section 9.3, quoting NASA Glenn Research Center 2021 and Koziol 2020
The institutional climate changed markedly between 2019 and 2021: Clean Planet in Japan took equity investment from Mitsubishi Estate and the boiler manufacturer Miura and began testing one-kilowatt prototypes; the EU’s Horizon 2020 programme funded the HERMES and CleanHME consortia at about four and about five and a half million euros; the Naval Surface Warfare Center at Indian Head assembled Navy, Army and NIST laboratories to settle the question; and the US Department of Energy’s ARPA-E held a public workshop in October 2021.Sections 9.1, 9.2, 9.4 and 9.5
ARPA-E’s stated two-phase plan is the measurement to watch: phase one is to support work toward at least one on-demand, repeatable experiment with diagnostic evidence convincing to the wider scientific community, and only if that succeeds does a broader programme follow. Price expects the science to become mainstream and says plainly that whether it becomes a useful energy source is still open.Sections 9.5 and 10

The way in

https://arxiv.org/abs/2201.03776

How to cite it

Huw Price (2022) Risk and Scientific Reputation: Lessons from Cold Fusion arXiv:2201.03776