Measure for Measure | Published:

A unit for nothing

The way that we understand free space has varied wildly since our first conception of the vacuum. And how we measure the void has proven just as changeable, as Karl Jousten explains.

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References

  1. 1.

    Sparnaay, M. J. Adventures in Vacuum 78 (Elsevier Science, North-Holland, 1992).

  2. 2.

    Jousten, K. (ed.) Handbook of Vacuum Technology 2nd edn, Ch. 15 (Wiley-VCH, 2016).

  3. 3.

    Jousten, K. et al. Metrologia 54, 146–161 (2017).

  4. 4.

    Hendricks, J. Nat. Phys. 14, 100 (2018).

  5. 5.

    Szwemin, P. Vacuum 82, 174–177 (2008).

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Correspondence to Karl Jousten.

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