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Science & Tech Quote by Enrico Fermi

"The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission"

About this Quote

Fermi’s tone is almost disconcertingly plain: a world-altering breakthrough reduced to a matter of housekeeping. “The fundamental point” sounds like a professor setting up a problem set, not a man describing the ignition logic of the nuclear age. That understatement is the first piece of intent. He’s teaching, yes, but he’s also normalizing an idea that, outside the lab, reads like science fiction with consequences.

The sentence is built like a fuse. It starts with fabrication, a word that’s both literal (engineering) and faintly ominous (making something that didn’t exist, assembling power). Then comes the controlling verb phrase: “to see to it.” This isn’t awe; it’s governance. Fermi frames chain reaction not as a miracle but as a compliance problem: neutrons must show up on schedule, in sufficient quantity, and be persuaded to do the same job again. The subtext is that the terrifying part of nuclear physics isn’t mystery but reliability. If you can count neutrons, you can steer fate.

Historically, this lands in the shadow of the Manhattan Project and the first self-sustaining chain reaction (Chicago Pile-1, 1942), when the theoretical became operational. Fermi’s language carries the culture of wartime science: precise, modular, and strategically unromantic. By focusing on “a certain number,” he encodes the razor’s edge between controlled reactor and runaway catastrophe. It’s a cool description of a hot possibility, and that chill is exactly why it works.

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Citation Formats

APA Style (7th ed.)
Fermi, Enrico. (2026, January 16). The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission. FixQuotes. https://fixquotes.com/quotes/the-fundamental-point-in-fabricating-a-chain-136231/

Chicago Style
Fermi, Enrico. "The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/the-fundamental-point-in-fabricating-a-chain-136231/.

MLA Style (9th ed.)
"The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/the-fundamental-point-in-fabricating-a-chain-136231/. Accessed 12 Feb. 2026.

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About the Author

Enrico Fermi

Enrico Fermi (September 29, 1901 - November 28, 1954) was a Physicist from Italy.

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