Here you can download trebuchet plans to build a trebuchet, including trebuchet parts & procedure. Before to the use of cannons , the trebuchet was perhaps the most deadly weapon against a castle. A trebuchet is a medieval weapon used to smash the walls of castles. It was capable of launching a greater payload a [...]

A natural disaster is any destructive force of nature without human control. (http://en.wikipedia.org/wiki/Natural_disaster) They can come in many different forms, such as floods, tornados, hurricanes, volcanic eruptions, earthquakes, or landslides.  These disasters have devastating effects which can cripple an area, if not exterminate it. There are several things to think about when choosing an area [...]

Plastic is commercially a very viable product. It’s use in household items, groceries, pipes, vacuum pumps, cars and factories cannot be overstated. This makes one think of the origin of plastic and the substances that create this artificial gem. Plastic is one of the great gifts of organic chemistry. It is made in the pattern [...]

Lightning is formed due to a string of occurrences in the sky. There is a lot of curiosity among us to know why and how is lightning formed. Also, there is an ongoing argument over its formation. Lighting occurs when electric charge is formed in the clouds. There are many theories that suggest how lightning [...]

Hurricanes are absolutely destructive tropical storms that are formed over the Pacific and the Atlantic Oceans. These storms are also known by other names in different locations across the stratum; like in China they are known as ‘typhoons’. Hurricanes are formed due to the humid, warm air that prevails over the warm ocean close to [...]

Moeller Marine claims to be your single source solution for marine products fluid transfer and containment technology. They have been in business a very long time and seem to be a reputable company. They specialize in fuel tanks, seating, upholstery, hardware, battery boxes, waste & water holding tanks and many other custom marine products. Moeller [...]