How to Use quantum theory in a Sentence

quantum theory

noun
  • In quantum theory, that's enough to put the cup in one place or the other.
    — Adrian Cho, Science | AAAS, 12 Sep. 2019
  • This work stemmed from the mystery of how quantum theory itself works.
    — Andrea Gawrylewski, Scientific American, 29 Aug. 2023
  • In short, quantum theory suggests that black holes are hairy, but nobody knows what the hair is.
    — Frank Wilczek, WSJ, 3 Jan. 2019
  • All the boards in that finale [in the bunker control room] are parts of this type of quantum theory.
    — Jackie Strause, HollywoodReporter, 30 Mar. 2026
  • The book covers complex ideas about space, time, black holes and quantum theory.
    — Ashlyn Messier, Fox News, 29 Oct. 2023
  • Each one of those, in this quantum theory, breaks off into another block of cheese.
    — Jackie Strause, HollywoodReporter, 30 Mar. 2026
  • Hawking thought at first that the problem would be solved by changing quantum theory.
    — Adrian Cho, Science | AAAS, 20 Mar. 2018
  • In the jargon of quantum theory, the friend’s result is a hidden variable.
    — George Musser, Science | AAAS, 17 Aug. 2020
  • But in the 1960s, quantum theory failed physicists once again.
    — Quanta Magazine, 23 May 2024
  • Current is the flow of electrons; and, in quantum theory, electrons possess spins.
    — Martin Weil, BostonGlobe.com, 12 Apr. 2018
  • But in this quantum theory, time actually exists all at once.
    — Jackie Strause, HollywoodReporter, 30 Mar. 2026
  • Yet quantum theory struggles to explain these curves in its language of particles and fields.
    — Quanta Magazine, 20 Apr. 2022
  • Physicists need a quantum theory of gravity to understand how things that fall in black holes also get out.
    — Natalie Wolchover, WIRED, 6 Jan. 2019
  • The noose seems to be tightening on this attempt to resolve the biggest mystery of quantum theory.
    — Philip Ball, Quanta Magazine, 20 Oct. 2022
  • But according to quantum theory, each nucleus acts like a wave as well as a particle.
    — Dan Falk, National Geographic, 17 Aug. 2020
  • But add a layer of quantum theory to it, and the flow of time becomes counterintuitive.
    — Ameya Paleja, Interesting Engineering, 20 Apr. 2026
  • The third argument for the multiverse comes from quantum theory.
    — Dan Falk /, NBC News, 22 May 2018
  • Bethe had stumbled upon a perfect quantum theory, one that worked for any number of particles.
    — Quanta Magazine, 12 Feb. 2025
  • Schrödinger grudgingly acknowledged their ease of use in quantum theory.
    — Daniel Garisto, Quanta Magazine, 7 Nov. 2025
  • But quantum theory teaches us that precise knowledge of both distance and speed is forbidden.
    — Quanta Magazine, 20 Oct. 2020
  • Yeah, so there is some energy intrinsic to the vacuum of a quantum theory.
    — Steven Strogatz, Quanta Magazine, 26 July 2023
  • But Tang and company used techniques far removed from quantum theory.
    — Ben Brubaker, WIRED, 22 Sep. 2024
  • Hawking made the first great stride toward finding this theory by applying the quantum theory to black holes.
    — Michio Kaku, Fortune, 19 Mar. 2018
  • The most common version of quantum theory relies on complex numbers.
    — Marc-Olivier Renou, Scientific American, 13 Mar. 2023
  • In quantum theory, a particle has a range of possible locations and speeds.
    — Quanta Magazine, 20 Oct. 2020
  • And that’s why quantum theory messes with the conventional second law.
    — Quanta Magazine, 1 Oct. 2025
  • Researchers hope that quantum theory could focus a microscope on that point and track what becomes of the material that falls in.
    — George Musser, Scientific American, 1 June 2018
  • Oh my god, pilot wave theory in principle is a wider physics; quantum theory is a special case of something bigger.
    — Tim Folger, Scientific American, 16 Mar. 2026
  • The basic idea is that the gravitational field of any object stands outside quantum theory.
    — George Musser, Science | AAAS, 7 Sep. 2020
  • These questions have been around throughout the century-long history of quantum theory.
    — Quanta Magazine, 18 Aug. 2021

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'quantum theory.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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