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Encyclopedia > Tools
This page discusses common devices known as "tools", for other meanings see Tool (disambiguation)
Modern hammer

A tool is, among other things, a device that provides a mechanical or mental advantage in accomplishing a task. Most tools employ some form of simple machine, or a combination of them. For example, a hammer simply functions as a lever with the fulcrum (pivot point) being the hand of the user. The further out from the pivot point, the more force is transmitted along the lever. A sword combines a lever and a wedge.

Philosophers once thought that only humans used tools, and often defined humans as tool-using animals. But observation has confirmed that chimpanzees and other animals, mostly primates, but also some birds (ravens, for instance) can use tools as well. Most anthropologists believe that the use of tools itself intertwined with the opposable thumb (useful to hold the tools) and an increase in intelligence (aiding in the use of tools) in spurring along the evolution of humankind.

Most tools can also serve as weapons, such as the hammer and the knife. Similarly, people can use weapons, such as explosives, as tools.


Varieties of tools

  • A device often typifies a newly invented or specific-purpose tool.
  • An implement tends to be a small and relatively simple tool.
  • An instrument is a concrete or abstract tool, in particular a refined one.
  • A utensil often appears as a tool in a kitchen or dining-room setting.
  • A machine can function as an ordered system of tools or as a super-tool.
  • A cadigan can represent a generic tool or a part thereof.

Physical tools

Toy tools make popular playthings. Some simply consist of a cheap or small version of the real thing, such as a shovel and bucket to use on the beach or in a sandbox. Others are less functional, e.g. a dull plastic knife, or not functional at all.

Mental tools

In computing, the term "tools" can also apply to software programs that assist people doing work on computers, such as Computer Aided Software Engineering tools, Lint programming tool, software or web-based collaborative tools, software development tools, programming tools.

"Tool" as a verb can also mean "to travel in a vehicle; to ride or drive".

Functions of tools

Many tools or groups of tools serve to perform one or more of a set of basic operations, such as:

  • cutting (knife, scythe, sickle, ...)
  • concentrating force (hammer, maul, screwdriver, whip, writing implements, ...)
  • guiding (set square, algorithm, straight edge, tradition, ...)
  • protecting
  • seizing and holding (pliers, glove, wrench, ...)

Popular Aphorisms

  • "Don't blame your tools." --Unknown
  • "When all else fails, clean your tools." --Robert Pirsig
  • "A poor workman blames his tools" -- Unknown
  • "A fool with a tool is still a fool"
  • "Not the sharpest tool in the box" -- Unknown


Use of tools started at the beginning of the Stone age. Humans have fabricated knives, amongst the oldest tools, since that time.

Mechanical devices, though known to Alexandrian Greeks, experienced a major expansion in their use in the Middle Ages with the systematic employment of new energy sources: water (waterwheels) and wind (windmills).

Machine tools occasioned a surge in producing new tools in the Industrial revolution. Advocates of nanotechnology expect a similar surge as tools move down-scale.

  Results from FactBites:
Tool (band) - Wikipedia, the free encyclopedia (4858 words)
Tool was quick to release their first full-length album, Undertow (1993), soon after Opiate, because many of the songs on Undertow had already been written at the time Opiate came out.
Tool are inarguably a part of the rock genre, but just where they fall in that genre and how much influence past groups have exerted on Tool is the subject of debate among both fans and casual listeners.
Tool are sometimes given an extended genre that would appear to be specific to the band, such as "psychedelic math metal" (see MTV News: The Pain of Perfection) - as other bands that have defied a common classification have.
Tool - Wikipedia, the free encyclopedia (593 words)
A tool is a device that (most commonly) provides a mechanical advantage in accomplishing a physical task.
Humans evolved an opposable thumb (useful to hold the tools) and an increase in intelligence (aiding in the use of tools).
Tool substitution may be divided broadly into two classes: substitution 'by-design', or 'multi-purpose', and substitution as make-shift.
  More results at FactBites »



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