Camping Equipment, Sleeping Bags, Tents & Rucksacks

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History of Camping
Camping holidays have been popular for decades and today there are some 1.2 million people in the UK who choose camping as their choice of holiday or holiday accommodation. One of the very first known campsites was that of the Cunningham Camp in Howstrake, Isle of Man which opened in 1894; and strangely enough all of the campers were male. In the 1920's and 1930's camping flourished when the obsession for 'healthy living and the great outdoors' became popular amongst British holiday makers. By the 1960's camping holidays were becoming more and more popular as an alternative to the very much traditional boarding house or hotel. It gave people more freedom from the restrictions often imposed by boarding houses, and they could also make large savings on their holiday. Today, camping is still popular and with new technology the choice and quality of camping equipment has reached new heights.
There are various types of tents available, each designed with a particular purpose in mind, so before you travel you must ask yourself these questions.

1. How is the tent to be carried, e.g. in a rucksack or by car?
2. How many people are to sleep in the tent?, and
3. Do you require one large sleeping area or do you prefer separated sleeping compartments?

Hydrostatic Head is the pressure at a given point in a liquid measured in terms of the vertical height of a column of the liquid needed to produce the same pressure force per unit area, pressure, pressure level - the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit); 'the compressed gas exerts an increased pressure'.
When generating hydropower, the head is a general term used to describe the distance that a given water source has to fall before the point where power is generated. Ultimately the force responsible for hydropower is gravity, so a hydroelectricity plant with a tall/high head can produce more energy than a similar plant with a short/low head. The difference is immediately apparent if you compare the Hoover Dam in Colorado with the Aswan Dam in Egypt. In short, a larger head allows water to fall a greater distance, which in turn allows more kinetic energy to accumulate. That energy is then harnessed by a water wheel or water turbine to create usable hydropower.