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- Wheelchair (2999 bytes)
12: ... there are often small additional features to prevent toppling or to assist mounting curbs. Wheelchair...
16: ...ecanum wheel]]. These allow more directional movement options.
18: ...nd agility, such as [[basketball]], [[rugby]], [[tennis]] and [[racing]].
22: ...other input devices can be used if the wheelchair user lacks coordination or dexterity of the hands or f...
25: ...iticized due to the lack of access for wheelchair users. Modern [[street furniture]] design now incorpor... - Bicycle (44267 bytes)
1: ...rop handlebar and thin tires and wheels for efficiency and aerodynamics]]
3: ...ront shock absorbers, and handlebars oriented perpendicular to the bike's axis]]
5: ...ury]] [[Europe]], it evolved quickly into its current design. With over one billion in the world today...
7: ...ring theme in bicycling has been the tension between bicyclists and drivers of [[motor vehicle]]s, eac...
13: ... by [[Louis Baudry de Saunier]], a 19th century French bicycle historian. - Scooter (7008 bytes)
8: ...cycles like the [[Viento]] and the [[eGO]] have been released.
10: ...d with many extra mirrors and chrome parts. The scene is still alive in the UK, and has spread to othe...
14: ...ase of the [[Honda]] Ruckus, there may be a new trend towards dirt-bike scooters just beginning. The c...
21: ** [[Benelli]]
42: ...ess, but some Cushman Eagles have an aluminum OMC engine with overhead valves and 9 horsepower (7 kW).... - Radar (16746 bytes)
2: ...|This long range radar [[antenna (electronics)|antenna]] (approximately 40m (130ft) in [[diameter]]) r...
3: ...al, the reflector can be located, and sometimes identified. Although the amount of signal returned is ...
5: ...red strength, detected at even tiny powers, and then amplified many times. Thus radar is suited to det...
11: ...er significant changes in [[atomic density]] between object and what's surrounding it, will usually re...
13: ...ern systems use shorter [[wavelength]]s (a few [[centimetre]]s) that can image objects as small as a l... - Global Positioning System (28209 bytes)
1: ...GPS''' [[satellite]]s such as this NAVSTAR have been launched since [[1978]]. ]]
5: ...iding a highly accurate [[time transfer|time reference]] almost anywhere on [[Earth]] or in [[Earth or...
7: ...ontrolled by the [[United States Department of Defense]] and can be used by anyone, free of charge.
8: ... divided into three segments: space, control, and user.
9: The space segment comprises the GPS satellite constellation. - Weather vane (2617 bytes)
1: ...e also popular, but a multitude of designs have been used.
3: ...st simple weather vanes have directional markers beneath the pointer, aligned with the geographic dire...
5: ... do not always show the real direction of a very gentle wind. This because the figures do not achieve...
7: ...nclude wind vanes along with several other instruments with dials that can be read comfortably inside ...
9: ... with other apparent sky conditions, enabling the user to make simple short range forecasts. - Hydroponics (15454 bytes)
3: ... activity is often undertaken by very young children with such plants as [[watercress]].
7: ...nt of space. Hydroponics is also very water-efficient as it uses containers or closed loop systems tha...
9: ...ts with maximum control over conditions, maximum density, and low risk of detection; as a result, many...
13: ...e plants needed besides water. In the mid-[[19th century]], the German plant physiologists Sachs and K...
15: ...Greek term for agriculture, ''geoponics'', the science of cultivating the earth, Gericke coined the na... - Appliance (6102 bytes)
1: The term '''Appliance''' has several different areas of meaning, all usually referring to a dev...
4: ...use they operate only with [[water]] and not with energy input.
10: ...ay share information about load characteristics (gentle/normal, light/full), and synchronize their fin...
14: ...onfigured a pre-installed operating system, and then installed one or more applications on top of the ...
16: ... designed specifically for the task. This has taken three forms: - Mobile phone (30513 bytes)
7: current mobile phones use a combination of [[radio wave]...
8: ...ssion (telecommunications)|transmission]] and conventional [[telephone]] [[circuit switching]], though...
10: ...g]], [[SAGEM|Sagem]], [[Sanyo]], [[Siemens AG|Siemens]], [[SK Teletech]], and [[Sony Ericsson]].
14: == Worldwide deployment ==
16: ...y has a much higher subscriber related cost component. - Acrylic paint (5135 bytes)
1: ...th water, but become water-resistant when dry. Depending on how much the paint is diluted (with water)...
4: ...the use of acrylic paints, which are pigments suspended in a water-based polymer emulsion. This type o...
9: ...time. Unlike oil paints, which can take days or even weeks to dry, acrylics dry quickly, allowing arti...
11: ... from traditional canvas paintings to more experimental mixed-media works.
13: ...ant Colors: Acrylic paints are known for their intense and vibrant colors. Artists can create a wide s... - Tool (5792 bytes)
5: ...r things, a device that provides a mechanical or mental advantage in accomplishing a task.
6: ...e [[fulcrum]] (pivot point) being the hand of the user. The further out from the pivot point, the more f...
8: ...ful to hold the tools) and an increase in intelligence (aiding in the use of tools).
19: * A [[device]] often typifies a newly invented or specific-purpose tool.
20: * An [[implement]] tends to be a small and relatively simple tool. - Hyphen (10351 bytes)
2: ...ich is longer. ''Hyphenation'' is the use of hyphens.
6: Traditionally, the hyphen has been used in several ways:
8: ...es hyphenated, as ''blue-blood''. (See also [[Hyphenated American]].)
10: ...es to 'century' or 'invention', etc. Hyphens are generally ''not'' used in noun-noun or adverb-adjecti...
11: ...'government standards organization'' and ''department store manager''
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