Chimps Create Weapons to Hunt

Chimpanzees living in the West African savannah have been observed fashioning deadly spears from sticks and using the tools to hunt small mammals -- the first routine production of deadly weapons ever observed in animals other than humans.

The multistep spearmaking practice, documented by researchers in Senegal who spent years gaining the chimpanzees' trust, adds credence to the idea that human forebears fashioned similar tools millions of years ago.

The landmark observation also supports the long-debated proposition that females -- the main makers and users of spears among the Senegalese chimps -- tend to be the innovators and creative problem solvers in primate culture.

Using their hands and teeth, the chimpanzees were repeatedly seen tearing the side branches off long, straight sticks, peeling back the bark and sharpening one end. Then, grasping the weapons in a "power grip," they jabbed them into tree-branch hollows where bush babies -- small, monkeylike mammals -- sleep during the day.

"Really fashioning a weapon to get food -- I'd say that's a first for any nonhuman animal."said Craig Stanford, a primatologist and professor of anthropology at the University of Southern California.

Scientists have documented tool use among chimpanzees for decades, but the tools have been simple and used to extract food rather than to kill it. Some chimpanzees slide thin sticks or leaf blades into termite mounds, for example, to fish for the crawling morsels. Others crumple leaves and use them as sponges to sop drinking water from tree hollows. 

But while a few chimpanzees have been observed throwing rocks -- perhaps with the goal of knocking prey unconscious, but perhaps simply as an expression of excitement -- and a few others have been known to swing simple clubs, only people have been known to craft tools expressly to hunt prey.

Pruetz and Paco Bertolani of the University of Cambridge made the observations near Kedougou in southeastern Senegal. Unlike other chimpanzee sites currently under study, which are forested, this site is mostly open savannah. That environment is very much like the one in which early humans evolved and is different enough from other sites to expect differences in chimpanzee behaviors.

Pruetz recalled the first time she saw a member of the 35-member troop trimming leaves and side branches off a branch it had broken off a tree.

"I just knew right away that she was making a tool," Pruetz said, adding that she suspected -- with some horror -- what it was for. But in that instance she was unable to follow the chimpanzee to see what she did with it. Eventually the researchers documented 22 instances of spearmaking and use, two-thirds of them involving females.

Chimpanzees are believed to offer a window on early human behavior, and many researchers have hoped that the animals -- humans' closest genetic cousins -- might reveal something about the earliest use of wooden tools.

Many suspect that the use of wooden tools far predates the use of stone tools -- remnants of which have been found dating from 2 1/2 million years ago. But because wood does not preserve well, the most ancient wooden spears ever found are only about 400,000 years old, leaving open the question of when such tools first came into use.

The discovery that some chimps today make wooden weapons supports the idea that early humans did too -- perhaps as much as 5 million years ago -- Stanford said.

Cited from Washington Post, "For First Time, Chimps Seen Making Weapons for Hunting," by Rick Weiss, February 23, 200. Link

Tsar Cannon

The Tsar Cannon (Russian: Царь-пушка, Tsar'-pushka) is a large, 5.94 metres (19.5 ft) long cannon on display on the grounds of the Moscow Kremlin. It was cast in 1586 in Moscow, by the Russian master bronze caster Andrey Chokhov. Mostly of symbolic impact, it was never used in a war. However the cannon bears traces of at least one firing[1]. Per the Guinness Book of Records it is the largest bombard by caliber in the world,[2] and it is a major tourist attraction in the ensemble of the Moscow Kremlin.

The very low ratio between its calibre and the length of its barrel makes it technically not a cannon, but a stylized mortar. The Tsar Cannon is made of bronze and weighs 39.312 tonnes[3] and has a length of 5.34 m (17.5 ft).[4] Its bronze-cast barrel has a diameter of 890 mm (35.0 in),[4] and an external diameter of 1,200 mm (47.2 in).[4] The barrel has eight cast rectangular brackets for use in transporting the gun, which is mounted on a stylized cast iron gun carriage with two wheels. The barrel is decorated with relief images, including an equestrian image of Tsar Fyodor Ivanovich.

The spherical cast-iron projectiles located in front of the cannon - each of which weighs approximately 1 ton, were produced in 1834 as a decoration. They are too large to have been used in the Tsar Cannon, which would have fired 800 kg stone grapeshot rather than cannonballs. [5] According to legend, the cannonballs were manufactured in St. Petersburg, and were intended to be a humorous addition and a symbol of the friendly rivalry between Moscow and St. Petersburg.

Roman Ballista

Ballistas were similar to giant crossbows and were designed to work through torsion. The ammunition used were basically giant arrows or darts made from wood with an iron tip. These arrows were then shot “along a flat trajectory” at a target. Ballistas are notable for their high degree of accuracy, but also their lack of firepower compared to that of a Mangonel or Trebuchet. Because of their immobility, most Ballistas were constructed on site following a siege assessment by the commanding military officer.

Developed from earlier Greek weapons, it relied upon different mechanics, using two levers with torsion springs instead of a prod, the springs consisting of several loops of twisted skeins. Early versions ejected heavy darts or spherical stone projectiles of various sizes for siege warfare. It developed into a smaller sniper weapon, the Scorpio, and possibly the polybolos.

After the time of Julius Caesar, the ballista was a permanent fixture in the Roman Army and, over time, modifications and improvements were made by successive engineers. This included replacing the remaining wooden parts of the machine with metal, creating a much smaller and lighter machine, capable of even more power than the wooden version, since the metal was not liable to snap like the wood, and which required less maintenance (though the vital torsion springs were still vulnerable to the strain).

Polish Multiple Gun From 16th - 17th Century

A volley gun is a gun with several barrels for firing a number of shots, either simultaneously or in sequence. They differ from modern machine guns in that they lack automatic loading and automatic fire and are limited by the number of barrels bundled together. In practice the large ones were not particularly more useful than a cannon firing canister shot or grapeshot. Since they were still mounted on a carriage, they could be as hard to aim and move around as a cannon, and the many barrels took as long or longer to reload. They also tended to be relatively expensive since they were more complex than a cannon, due to all the barrels and ignition fuses, and each barrel had to be individually maintained and cleaned.

Polish 20 barrel artillery piece. The barrels are designed to enable the shot to spread out and cause maximum damage.