The 47-year-old, who studied mathematics, chemistry and theoretical physics at University College Dublin (UCD), said that burritos were satisfying to his mathematical mind. The plural of the term is "boojums", a word initially disliked by Mermin (who at first used "booja") but one which is defined unambiguously by Carroll in his poem.

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The Institute of Physics (IOP) is a leading scientific society promoting physics and bringing physicists together for the benefit of all. Selecting this option will search all publications across the Scitation platform, Selecting this option will search all publications for the Publisher/Society in context, The Journal of the Acoustical Society of America. Octopuses taste their food when they touch it with their arms.

CS1 maint: BOT: original-url status unknown (, Frustration in Modulated Phases: Ripples and Boojums, "Boojums help turn physicist and pianist David Mermin into offbeat science writer", "E Pluribus Boojum: the physicist as neologist", http://www.lassp.cornell.edu/~cew2/KnightLecture.html, https://en.wikipedia.org/w/index.php?title=Boojum_(superfluidity)&oldid=943333292, Creative Commons Attribution-ShareAlike License. In the physics of superfluidity, a boojum is a geometric pattern on the surface of one of the phases of superfluid helium-3, whose motion can result in the decay of a supercurrent. The secret weapon in the war between pet cats and wildlife, UK's spherical nuclear fusion reactor tests new heat-reducing exhaust, Controlling deforestation and wildlife trade could prevent pandemics, Viruses have been shown to produce their own energy for the first time, Weird ring-shaped molecule on Titan could be a building block to life, Covid-19 news: UK government under pressure to impose England lockdown, Ammonite review: Here's the true story of palaeontologist Mary Anning, We can harness the solar wind to sail to the farthest corners of space.

After an exchange of letters that Mermin describes as both "lengthy and hilarious",[2] the editors of Physical Review Letters agreed to his terminology.

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Research using the term "boojum" in a superfluid context was first published in 1977, and the term has since gained widespread acceptance in broader areas of physics.

There you have it. Published 13 July 2012 • IOP Publishing and Deutsche Physikalische Gesellschaft New Journal of Physics, Volume 14, July 2012 The reality is a tad more complicated because the hedgehog is really a “single-point topological defect” and the grass is the “A-phase of superfluid helium-3”.

IMAGINE a hedgehog tottering across a road to a grass verge. As in the poem, the appearance of a boojum can cause something (in this case, the supercurrent) to "softly and suddenly vanish away". My favourite thing about this world and its history is the little… Reprinted here by Univ of Southampton, dept of Economics: Transcript of Mermin's 1999 lecture, in which he describes how he made "boojum" an internationally accepted scientific term: This page was last edited on 1 March 2020, at 08:20. On reaching the boundary, it relaxes and goes to sleep.

... We use the Landau–de Gennes theory to resolve the mesoscopic structure of the boojum cores and to determine the pairwise colloidal interactions. The common isotope, helium-4, enters this magical state at 2.2 kelvin, but its rarer and lighter cousin, helium-3, won’t play ball until it is much colder – about …. "E Pluribus Boojum: The physicist as neologist." Selecting this option will search the current publication in context. Its Russian phonetic equivalent is "budzhum", which is also well accepted by physicists.

He was inspired by Lewis Carroll's poem The Hunting of the Snark. The search for the origin of life: From panspermia to primordial soup. This option allows users to search by Publication, Volume and Page Selecting this option will search the current publication in context. University of Wisconsin, Madison, Wisconsin, Warner & Swasey Observatory, East Cleveland, Ohio, The University of Alberta, Edmonton, Alberta, Canada. Other, less whimsical names had already been suggested for the phenomenon, but Mermin was persistent. Sign up to read our regular email newsletters. Long covid: Why are some people sick months after catching the virus? Superfluid liquid helium is a “quantum liquid” that can do fantastic things like flow uphill and squeeze through impossibly small holes. The boojum was named by N. David Mermin of Cornell University in 1976. M Tasinkevych 1,2, N M Silvestre 3 and M M Telo da Gama 3. Although superfluid helium-3 only exists within a few thousandths of a degree of absolute zero, boojums have also been observed forming in various liquid crystals,[1] which exist at a far broader range of temperatures. (Ref: Mermin, N. David.

There you have it. A little background might help.

Liquid crystal boojum-colloids. Meet NASA's latest Mars Rover: Will Perseverance find life in 2021?

In figurative, everyday language, that’s a boojum.

A boojum can result from a monopole singularity in the bulk of the liquid being drawn to, and then "pinned" on a surface. Science with Sam, Exquisite plant portraits created using Victorian photography method, Videos of over 200 science talks plus weekly crosswords available exclusively to subscribers, Exclusive access to subscriber-only events. Physics Today 34.4 (1981): 46.) This option allows users to search by Publication, Volume and Page. Selecting this option will search all publications across the Scitation platform Selecting this option will search all publications for the Publisher/Society in context

The immune system: can you improve your immune age? E Pluribus Boojum: the physicist as neologist. Tl;dr: I came across an extremely interesting and enjoyable first - person account of the physicist David Mermin's struggles to introduce the word 'boojum' into scientific literature! Website © 2020 AIP Publishing LLC. Boojums All the Way Through is a collection of essays that deals in a variety of ways with the problem of communicating modern physics to both physicists and non-physicists. In the physics of superfluidity, a boojum is a geometric pattern on the surface of one of the phases of superfluid helium-3, whose motion can result in the decay of a supercurrent.A boojum can result from a monopole singularity in the bulk of the liquid being drawn to, and then "pinned" on a surface. In figurative, everyday language, that’s a boojum.

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