Topic: Military history/European military history
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🔗 Tarrare
Tarrare (c. 1772 – 1798), sometimes spelled Tarare, was a French showman and soldier, noted for his unusual eating habits. Able to eat vast amounts of meat, he was constantly hungry; his parents could not provide for him, and he was turned out of the family home as a teenager. He travelled France in the company of a band of thieves and prostitutes, before becoming the warm-up act to a travelling charlatan; he would swallow corks, stones, live animals and a whole basketful of apples. He then took this act to Paris where he worked as a street performer.
At the start of the War of the First Coalition, Tarrare joined the French Revolutionary Army. With military rations, though quadrupled, unable to satisfy his large appetite, he would eat any available food from gutters and refuse heaps but his condition still deteriorated through hunger. He was hospitalised due to exhaustion and became the subject of a series of medical experiments to test his eating capacity, in which, among other things, he ate a meal intended for 15 people in a single sitting, ate live cats, snakes, lizards and puppies, and swallowed eels whole without chewing. Despite his unusual diet, he was of normal size and appearance, and showed no signs of mental illness other than what was described as an apathetic temperament.
General Alexandre de Beauharnais decided to put Tarrare's abilities to military use, and he was employed as a courier by the French army, with the intention that he would swallow documents, pass through enemy lines, and recover them from his stool once safely at his destination. Tarrare could not speak German, and on his first mission was captured by Prussian forces, severely beaten and underwent a mock execution before being returned to French lines.
Chastened by this experience, he agreed to submit to any procedure that would cure his appetite, and was treated with laudanum, tobacco pills, wine vinegar and soft-boiled eggs. The procedures failed, and doctors could not keep him on a controlled diet; he would sneak out of the hospital to scavenge for offal in gutters, rubbish heaps and outside butchers' shops, and attempted to drink the blood of other patients in the hospital and to eat the corpses in the hospital morgue. After being suspected of eating a toddler he was ejected from the hospital. He reappeared four years later in Versailles with a case of severe tuberculosis, and died shortly afterwards, following a lengthy bout of exudative diarrhoea.
🔗 The German tank problem
In the statistical theory of estimation, the German tank problem consists of estimating the maximum of a discrete uniform distribution from sampling without replacement. In simple terms, suppose we have an unknown number of items which are sequentially numbered from 1 to N. We take a random sample of these items and observe their sequence numbers; the problem is to estimate N from these observed numbers.
The problem can be approached using either frequentist inference or Bayesian inference, leading to different results. Estimating the population maximum based on a single sample yields divergent results, whereas estimation based on multiple samples is a practical estimation question whose answer is simple (especially in the frequentist setting) but not obvious (especially in the Bayesian setting).
The problem is named after its historical application by Allied forces in World War II to the estimation of the monthly rate of German tank production from very few data. This exploited the manufacturing practice of assigning and attaching ascending sequences of serial numbers to tank components (chassis, gearbox, engine, wheels), with some of the tanks eventually being captured in battle by Allied forces.
Discussed on
- "German Tank Problem" | 2023-11-26 | 39 Upvotes 7 Comments
- "The German tank problem" | 2016-12-03 | 64 Upvotes 6 Comments
- "German tank problem" | 2014-02-21 | 231 Upvotes 83 Comments
- "German tank problem" | 2011-03-02 | 28 Upvotes 1 Comments
- "The German Tank Problem" | 2009-06-23 | 103 Upvotes 18 Comments
🔗 Jerrycan
A jerrycan (also written as jerry can or jerrican) is a robust liquid container made from pressed steel. It was designed in Germany in the 1930s for military use to hold 20 litres (4.4 imp gal; 5.3 US gal) of fuel. The development of the jerrycan was a significant improvement on earlier designs, which required tools and funnels to use, and it contained many innovative features for convenience of use and robustness. After widespread use by both Germany and the Allies during the Second World War, today similar designs are used worldwide for fuel and water containers, some of which are also produced in plastic. The designs usually emulate the original steel design and are still known as jerrycans. The original design of jerrycan and various derivatives remain in widespread military use.
Discussed on
- "Jerrycan" | 2022-01-03 | 272 Upvotes 155 Comments
🔗 Bunkers in Albania
Concrete military bunkers are a ubiquitous sight in Albania, with an average of 5.7 bunkers for every square kilometer (14.7 per square mile). The bunkers (Albanian: bunkerët) were built during the Hoxhaist government led by the Leader Enver Hoxha from the 1960s to the 1980s, as the government fortified Albania by building more than 750,000 bunkers.
Hoxha's program of "bunkerization" (bunkerizimi) resulted in the construction of bunkers in every corner of the then-People's Socialist Republic of Albania, ranging from mountain passes to city streets. They were never used for their intended purpose during the years that Hoxha governed. The cost of constructing them was a drain on Albania's resources, diverting them away from dealing with the country's housing shortage and poor roads.
The bunkers were abandoned following the dissolution of the communist government in 1992. A few were used in the Insurrection of 1997 and the Kosovo War of 1999. Most are now derelict, though some have been reused for a variety of purposes, including residential accommodation, cafés, storehouses, and shelters for animals or the homeless.
Discussed on
- "Bunkers in Albania" | 2025-01-16 | 215 Upvotes 168 Comments
🔗 Gödel's ontological proof
Gödel's ontological proof is a formal argument by the mathematician Kurt Gödel (1906–1978) for the existence of God. The argument is in a line of development that goes back to Anselm of Canterbury (1033–1109). St. Anselm's ontological argument, in its most succinct form, is as follows: "God, by definition, is that for which no greater can be conceived. God exists in the understanding. If God exists in the understanding, we could imagine Him to be greater by existing in reality. Therefore, God must exist." A more elaborate version was given by Gottfried Leibniz (1646–1716); this is the version that Gödel studied and attempted to clarify with his ontological argument.
Gödel left a fourteen-point outline of his philosophical beliefs in his papers. Points relevant to the ontological proof include
- 4. There are other worlds and rational beings of a different and higher kind.
- 5. The world in which we live is not the only one in which we shall live or have lived.
- 13. There is a scientific (exact) philosophy and theology, which deals with concepts of the highest abstractness; and this is also most highly fruitful for science.
- 14. Religions are, for the most part, bad—but religion is not.
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- "Gödel's Ontological Proof" | 2019-07-28 | 125 Upvotes 124 Comments
- "Gödel's ontological proof" | 2014-12-28 | 55 Upvotes 52 Comments
- "Gödel's ontological proof" | 2009-01-03 | 12 Upvotes 9 Comments
🔗 Sweden warrantlessly wiretaps all Internet traffic crossing its borders
The National Defence Radio Establishment (Swedish: Försvarets radioanstalt, FRA) is a Swedish government agency organised under the Ministry of Defence. The two main tasks of FRA are signals intelligence (SIGINT), and support to government authorities and state-owned companies regarding computer security.
The FRA is not allowed to initialize any surveillance on their own, and operates purely on assignment from the Government, the Government Offices, the Armed Forces, the Swedish National Police Board and Swedish Security Service (SÄPO). Decisions and oversight regarding information interception is provided by the Defence Intelligence Court and the Defence Intelligence Commission; additional oversight regarding protection of privacy is provided by the Swedish Data Protection Authority.
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- "Sweden warrantlessly wiretaps all Internet traffic crossing its borders" | 2013-06-10 | 279 Upvotes 59 Comments
🔗 The man who did not have a conversation in over 50 years
András Toma (5 December 1925 – 30 March 2004) was a Hungarian soldier taken prisoner by the Red Army in 1945, then discovered living in a Russian psychiatric hospital in 2000. He was probably the last prisoner of war from the Second World War to be repatriated.
Because Toma never learned Russian and nobody at the hospital spoke Hungarian, he had apparently not had a single conversation in over 50 years, a situation of great interest for the fields of psychiatry and psycholinguistics.
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- "The man who did not have a conversation in over 50 years" | 2023-09-30 | 213 Upvotes 61 Comments
🔗 Anti Tank Vespa
The Vespa 150 TAP was an anti-tank scooter made in the 1950s from a Vespa scooter for use with French paratroops (troupes aéroportées, TAP). Introduced in 1956 and updated in 1959, the scooter was produced by Ateliers de Construction de Motocycles et Automobiles (ACMA), the licensed assembler of Vespas in France at the time. Modifications from the civilian Vespa included a reinforced frame and a 75 mm (3.0 in) recoilless rifle mounted to the scooter.
The 150 TAPs mounted a M20 75 mm recoilless rifle, a U.S.-made light anti-armour weapon. It was very light in comparison to a standard 75 mm (3.0 in) cannon but was still able to penetrate 100 mm (3.9 in) of armour with its HEAT warhead. The recoil was counteracted by venting propellant gases out the rear of the weapon which eliminated the need for a mechanical recoil system or heavy mount.
The scooters would be parachute-dropped in pairs, accompanied by a two-man team. The gun was carried on one scooter, while the ammunition was loaded on the other. Due to the lack of any kind of aiming devices the recoilless rifle was never designed to be fired from the scooter; the gun was mounted on a M1917 Browning machine gun tripod, which was also carried by the scooter, before being fired. However, in an emergency it could be fired while in the frame, and while the scooter was moving.
The "Bazooka Vespa" was relatively cheap: Vespas cost roughly US$500 at the time, and the M20s were plentiful. 600 of them were produced, between 1956 and 1959. It had a cart, and also came with two cans of fuel.
The scooter themselves were original civilian produced VB1T models, 150 cc capacity engine. The engine was two stroke, top speed of 60 km/h (37 mph), enough speed to ram any vehicles if needed in an emergency, or move the user from the drop site to the area where the paratrooper was needed.
Discussed on
- "Anti Tank Vespa" | 2023-11-20 | 186 Upvotes 74 Comments
🔗 Guédelon Castle
Guédelon Castle (Château de Guédelon) is a castle currently under construction near Treigny, France. The castle is the focus of an experimental archaeology project aimed at recreating a 13th-century castle and its environment using period technique, dress, and material.
In order to fully investigate the technology required in the past, the project is using only period construction techniques, tools, and costumes. Materials, including wood and stone, are all obtained locally. Jacques Moulin, chief architect for the project, designed the castle according to the architectural model developed during the 12th and 13th centuries by Philip II of France.
Construction started in 1997 under Michel Guyot, owner of Château de Saint-Fargeau, a castle in Saint-Fargeau 13 kilometres away. The site was chosen according to the availability of construction materials: an abandoned stone quarry, in a large forest, with a nearby pond. The site is in a rural woodland area and the nearest town is Saint-Sauveur-en-Puisaye, about 5 kilometres (3.1 mi) to the northeast.
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- "Guédelon Castle" | 2020-04-11 | 202 Upvotes 40 Comments
🔗 Wire of Death
The Wire of Death (Dutch: Dodendraad, German: Todesdraht) was a lethal electric fence created by the German military to control the Dutch–Belgian frontier during the occupation of Belgium during the First World War.
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- "Wire of Death" | 2016-04-09 | 158 Upvotes 75 Comments