Science

Is there knowledge science cannot, in principle, reach?

RGRosalind GrantRaised 16 Feb 2026

Not a question about current instruments but about the form of scientific explanation: whether first-person experience, normative claims and singular historical events admit the kind of account science gives.

The tension

Declaring a limit in principle is itself a claim that must be defended by argument, not measurement.

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Perspectives on this idea

In Favor1Unresolved1

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RGRosalind Grant20 Feb 2026
Unresolved

Claims of principled limits have a bad track record — vitalism, the composition of stars. But the hard problem is not that kind of claim. I hold it open, uncomfortably.

NSNoémie Simard24 Feb 2026
In Favor

Explanation in the sciences is third-personal by construction. A complete third-personal account of a system is compatible with any or no first-personal fact about it — that gap is structural, not technological.

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Sources behind it

Book

The Human Condition

Hannah Arendt · 1958

Distinguishes labour, work and action, and defends the public realm as the space where human plurality becomes visible.

Book

Thinking, Fast and Slow

Daniel Kahneman · 2011

Two systems of thought — fast, intuitive judgement and slow, deliberate reasoning — and the predictable errors of the first.

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