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Tarnac Nine

Tarnac Nine is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Tarnac Nine rather than just read about it. In short: The Tarnac Nine are a French group of nine alleged anarchist saboteurs: Mathieu Burnel, Julien Coupat, Bertrand Deveaux, Manon Glibert, Gabrielle Hallez, Elsa Hauck, Yildune Lévy, Benjamin Rosoux and Aria Thomas. They were arrested on 11 November 2008 in an operation carried out by French police throughout Paris, Rouen and particularly Tarnac, rural France.

Key takeaways

  • Tarnac Nine belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Tarnac Nine to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Tarnac Nine from memory before moving on to harder problems.

Reference excerpt

The Tarnac Nine are a French group of nine alleged anarchist saboteurs: Mathieu Burnel, Julien Coupat, Bertrand Deveaux, Manon Glibert, Gabrielle Hallez, Elsa Hauck, Yildune Lévy, Benjamin Rosoux and Aria Thomas. They were arrested on 11 November 2008 in an operation carried out by French police throughout Paris, Rouen and particularly Tarnac, rural France. The operation resulted in twenty arrests, of whom eleven were released almost immediately afterward. The remaining nine who were held for questioning, and who on 15 November were variously listed as suspects and accused of crimes, then became known as the Tarnac Nine. One year later, Glibert's husband Christophe Becker was also arrested in Tarnac in connection with the matter; as a result, the group is also sometimes known as the Tarnac Ten. The group were "accused of 'criminal association for the purposes of terrorist activity' on the grounds that they were to have participated in the sabotage of overhead electrical lines on France's national railways." In late October and early November 2008, horseshoe-shaped iron bars were used to obstruct power cables of the TGV railways at locations throughout France, resulting in delays for about 160 trains. In particular, one instance of this occurred on 7–8 November 2008, in Dhuisy, Seine-et-Marne, near Paris. On the same night, Coupat and his partner Lévy were driving in the area, under police surveillance. Three days later, the arrests were made. On 12 April 2018, following a long and complex legal case, the group were acquitted of the most serious charges brought against them, including sabotage and conspiracy, with some members being convicted on lesser charges.

Background and Tarnac The original group of nine consists of five women and four men, aged from 22 through 34 at the time of the arrests, who are generally well-educated. Coupat was a former graduate student and is a political writer, having contributed to a philosophical journal called Tiqqun. Coupat's partner, Lévy, is an archaeologist. Others have been described as "a Swiss sitcom actor (Thomas), a distinguished clarinettist (Glibert), a student nurse (Hallez, an ex-partner of Coupat's) and Benjamin Rosoux, a University of Edinburgh graduate who runs the (Tarnac's) grocer's shop and its adjoining bar-restaurant." At the time of the arrests, Deveaux and Hauck were also described as beginning graduate students in sociology and English, respectively. The nine were part of a larger group of like-minded, left-wing young people who sought to relocate to a rural area in order to live simply and communally, shunning consumerism. Consequently, they scouted locations and settled on Tarnac, both for its rural setting and also for the similar political orientation of the local residents: in Limousin, Tarnac is part of an area of France which has a long history with communism and the French Resistance of World War II, having successfully avoided German occupation. Upon moving in, the group began operating a disused shop and bar, and began community initiatives such as a film club and food delivery services for elderly locals. The newcomers were generally well-liked by their neighbors. On the other hand, authorities have rejected this positive image of the group, instead describing them as an anarchist terrorist cell who sought a rural location as a base of operations and who shunned cell phones in order to avoid detection by authorities.

Legal case From the time of the arrests until 2018, the group had been involved in complex legal proceedings in which the members faced various criminal charges related to terrorism, sabotage, conspiracy, and refusal to submit to biological sampling. Four of the nine were released shortly after the arrests; Glibert, Hallez and Rosoux were later released on 2 December 2008, and Lévy was released on 16 January 2009. Coupat, who was presumed by the prosecution to be the group's leader, was released on 28 May 2009. In late November 2009, a further arrest was made: Christophe Becker, husband of Glibert, was arrested in Tarnac on related suspicions, and released shortly thereafter. In response, and in defiance of the judicial supervision with which they were ordered to comply, the nine met and jointly wrote a letter, published in Le Monde in early December: Why we will no longer respect the judicial restraints placed upon us. The group's judicial supervision orders were lifted on 18 December 2009, and due to the new arrest, the group are sometimes instead described as the Tarnac Ten. The prosecution's case was based upon police surveillance of the group, particularly the above proximity of Coupat and Lévy to a site where sabotage occurred. Further, the group generally (and Coupat specifically) were suspected of being possible members of the Invisible Committee, an anonymous author (or authors) who wrote The Coming Insurrection, an anti-capitalist, anarchist tract originally published in 2007 which admonishes its readers to form communes and disrupt infrastructure, reminiscent of the politics and activities which the group were actually engaged in, and also of the specific crimes with which they were accused. In particular, according to the prosecution, one passage of the book seems to directly anticipate the rail sabotage:

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Tarnac Nine

Start with the simplest possible case. Write down what Tarnac Nine claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Tarnac Nine before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Tarnac Nine ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Tarnac Nine

In research
Tarnac Nine appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Tarnac Nine in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Tarnac Nine is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2008 in politics, 2018 in French politics, Anarchism in France, so understanding it makes those chapters shorter.
In everyday life
Look for Tarnac Nine outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Tarnac Nine in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Tarnac Nine means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Tarnac Nine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Tarnac Nine in simple terms?

The Tarnac Nine are a French group of nine alleged anarchist saboteurs: Mathieu Burnel, Julien Coupat, Bertrand Deveaux, Manon Glibert, Gabrielle Hallez, Elsa Hauck, Yildune Lévy, Benjamin Rosoux and Aria Thomas. They were arrested on 11 November 2008 in an operation carried out by French police th…

Why does Tarnac Nine matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Tarnac Nine?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Tarnac Nine.

Tags

  • 2008 in politics
  • 2018 in French politics
  • Anarchism in France
  • Anarchist collectives
  • April 2018 in France
  • Autonomism
  • French anarchists
  • Living people
  • November 2008 in France
  • Police misconduct in France
  • Political controversies in France
  • Prisoners and detainees of France

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