The Windows API , informally WinAPI , is Microsoft s core set of application programming interface s APIs available in the Microsoft Windows operating systems . It was formerly called the Win32 API however, the name Windows API more accurately reflects its roots in 16 bit Windows and its support on 64 bit Windows. Almost all Windows programs interact with the Windows API on the Windows NT line of OSes ... process use the Native API . ref name technet nativeapi Microsoft TechNet November 2006 . http technet.microsoft.com ... and tools necessary to build software based upon the Windows API and associated Windows interfaces. Overview The functionality provided by the Windows API can be grouped into eight categories ... API. Retrieved August 28, 2005. ref Base Services ref name msdn base Microsoft Developer Network July ... under the User Interface category of the API. Common Control Library ref name msdn ccl Microsoft .... It is grouped under the User Interface category of the API. Windows Shell ref name msdn shell Microsoft ..., 2005. ref Component of the Windows API allows applications to access the functionality provided by the operating ... are in tt shlwapi.dll tt . It is grouped under the User Interface category of the API. Network Services ... API. Internet Explorer has been included with the operating system since Windows 95 OSR2 , and has ... files, deprecated. Program interaction The Windows API mostly concerns itself with the interaction ... Windows API. This started out with Dynamic Data Exchange DDE , which was superseded by Object Linking ... programming interface API so that it can be controlled by another application instead of just ... API, and allowed applications to interact with the API in a more abstract manner. Microsoft Foundation Class Library MFC wrapped Windows API functionality in C Class computer science classes , and thus allows a more Object oriented programming object oriented way of interacting with the API ... at least partially wrap the Windows API. Thus, the .NET Framework and Java programming language Java ... more details
In computer science , Api calculus was introduced in 2002 as an extension of pi calculus to address some of the limitations of pi calculus for modeling intelligent agents ref http www.cs.siu.edu rahimi rahimi ch7.pdf Rahimi 2002 Shahram Rahimi, Maria Cobb, Dia Ali, Fred Petry, A Modeling Tool for Intelligent Agent Based Systems Api Calculus, Soft Computing Agents A New Perspective for Dynamic Systems, the International Series Frontiers in Artificial Intelligence and Application by IOS Press, pp. 165 186, 2002. ref . More specifically, it addresses knowledge representation , organizational grouping and migration of agents among groups. Moreover, it has the potential for modeling the security aspects of Agent based model agent based systems . Api calculus introduces three new concepts over ordinary pi calculus and its extensions, the higher order and polyadic pi calculi. To represent knowledge inherent in an autonomous agent, the concept of a knowledge unit is introduced. A knowledge unit is an intelligence entity that can perform inference. Agents have the capability to add drop facts i.e. Predicate logic predicate s or Propositional calculus propositions to from a knowledge unit and also modify its structure by adding new rules or eliminating existing ones. Each mobile agent is capable of carrying one or more knowledge units and sending and receiving them to from other agents. However, the concept of knowledge unit only provides an abstraction level with no resources for intelligence modeling. Moreover, api calculus introduces milieu , a new level of abstraction that is in between single mobile agents and the system as a whole. And lastly, Api calculus introduces the notion of term . A term consists of a name, a rule fact used to create or modify knowledge units , or a function, where a name can be a channel or a variable.In the standard pi calculus, names are the only terms. References references DEFAULTSORT Api Calculus Category Process calculi comp sci stub ... more details
Infobox mountain name Api photo photo caption elevation m 7132 elevation ref ref name peaklist ref name him index prominence m 2040 prominence ref ref name peaklist cite web url http www.peaklist.org WWlists ultras everest.html title Ultra prominent peaks of Nepal publisher peaklist.org accessdate 2009 01 06 ref map Nepal relief map caption Location in Nepal label position left listing Ultra prominent peak Ultras location Darchula district, Northwestern Nepal range Yoka Pahar Subsection, Gurans Himal , Himalayas lat d 30 lat m 00 lat s 15 lat NS N long d 80 long m 56 long s 00 long EW E coordinates ref first ascent May 10, 1960 by K. Hirabayashi, Gyaltsen Norbu easiest route rock snow ice climb pushpin label ApiApi is the highest peak in the Yoka Pahar Section of Gurans Himal , part of the Himalayas in the extreme northwest corner of Nepal, near the borders of India and Tibet . ref name carter H. Adams Carter, Classification of the Himalaya, American Alpine Journal 1985. ref It is a little known peak in a rarely visited part of the Himalayas, but it rises dramatically over the low surrounding terrain. Notable features Although low in elevation among the major mountains of Nepal, Api is exceptional in its rise above local terrain the surrounding valleys are significantly lower than those surrounding most higher Himalayan peaks. ref name dem cite web url http www.viewfinderpanoramas.org dem3.html himalayas title DEM files for the Himalaya Corrected versions of SRTM data publisher viewfinderpanoramas.org accessdate 2009 12 24 ref Climbing history The Api region was visited by Westerners in 1899, 1905, and 1936, but the peak was not attempted until 1953. This attempt was unsuccessful, as was another, by Italian people Italians , in 1954 which resulted in the death of two expedition ... ascent of Api occurred in 1960. The Doshisha Alpine Society of Japan successfully completed the Northwest ... DEFAULTSORT Api Mountain Category Mountains of Nepal Category Seven thousanders pt Monte Api ... more details
for real time rendering of 3D games. The result was an API that was small enough to be implemented ... of Voodoo Graphics Voodoo 1 and Glide s easy to use API resulted in Voodoo cards generally dominating ... to emulate their proprietary API, shutting down early emulation projects with legal threats ... by Nvidia NVIDIA , 3dfx released the Glide API, along with the Voodoo 2 and Voodoo 3 specifications ... available allowing older games that make use of the Glide API to run on non Voodoo hardware. Other ... List http www.opengl.org documentation OpenGL Documentation DEFAULTSORT Glide Api Category 3D ... more details
The Native API with capitalized N is the mostly undocumented application programming interface API used internally by the Windows NT family of operating system s produced by Microsoft . ref cite web author Mark Russinovich year 1998&ndash 2004 url http www.sysinternals.com Information NativeApi.html title Inside the Native API publisher Sysinternals accessdate 2008 02 28 archiveurl http web.archive.org web 20060315213024 http www.sysinternals.com Information NativeApi.html archivedate 2006 03 15 ... runs in ring 3 the same as a regular Windows application. Most of the Native API calls are implemented in ntoskrnl.exe and are exposed to user mode by ntdll.dll . Some Native API calls are implemented ... using the documented and well defined Windows API , a few components, such as the Client Server Runtime Subsystem , are implemented using the Native API, as they can be started earlier in the Windows NT Startup Process when the Windows API is not yet available. Some malware make use of the Native API to hide their presence from malware detection software. ref cite web url http www.ddj.com dept security 184406098 title Win32 API Obscurity for I O Blocking and Intrusion Prevention author Jason Coombs ... API comprises many functions. They include C standard library C runtime functions that are needed ... API routines, by convention, have a 2 or 3 letter prefix, which is Nt or Zw are system calls declared ... are usable only in kernel mode. These may or may not be counted for Native API, depending on whom you ask since the Native API is not fully officially documented, there is no one answer . Such groups ... API References reflist External links http undocumented.ntinternals.net Unofficial website that documents most of the Native API methods http technet.microsoft.com sysinternals bb897447.aspx Inside Native Applications http netcode.cz img 83 nativeapi.html Inside the Native API http zenwinx.sourceforge.net ... API ... more details
orphan date December 2008 API TC is a product certification certification for Two stroke cycle two stroke Motor oil oils , awarded by the American Petroleum Institute . It is given after the product passes through stringent tests that determine the level of detergent performance, Dispersion chemistry dispersion , and Antioxidant anti oxidation . The highest level of certification for two stroke oil is the TC series. External links http www.sea doo.net techarticles oil oil.htm Category Lubricants material stub ... more details
Image beostru.PNG thumb right 400px The BeOS architecture The BeOS API , often called the Be API after Be Inc. , is the application programming interface required to write graphical native applications on BeOS , and hence its derivatives such as Magnussoft ZETA ZETA and Haiku operating system Haiku . The API is divided into a number of kits , which collect related classes together and bear some relation to the library computing library which contains the supporting code. It is almost entirely C , with third party bindings for most classes in Python programming language Python and a tiny subset of classes, mostly Storage kit related, in Perl . Kits covered in the order that Be s paper and digital development guides cover them, if it looks a bit illogical Application Kit The Application kit contains the basic classes required to launch a BeOS application, as well as support for the global clipboard , inter application and internal messaging, timers, rosters and other functions seen as required to support any graphical application. Application kit classes are supported by libbe.so Storage Kit The Storage kit provides methods for manipulating files from creating and managing symlink s all ... load to any addon supported format. The API also allows video and audio translation through the library ... provided by Headspace in BeOS R5 . libmidi.so provides the old, BeOS R3 era MIDI API, libmidi2.so provides the R4 API. Game Kit The Game kit provides a number of sound formats suited to computer game ... BeOS implementations The majority of the Be API has been reimplemented by Haiku operating system Haiku ... Syllable from the BeOS API, but are not making attempts to provide a base to port applications. A private port of much of the API to Microsoft Windows and later Linux using GTK was done by http www.gobe.com ... from BeOS, where it had originally been developed. Documentation The entire API, as it was at the stage ... zh BeOS API ... more details
Mergeto web service date November 2009 Mergeto Open API date May 2010 A web Application programming interface API Application Programming Interface is typically a defined set of HTTP request messages along with a definition of the structure of response messages, typically expressed in JSON or XML . While web API is sometimes considered a synonym for web service , the Web 2.0 applications typically have moved away from SOAP based web services towards more direct Representational State Transfer REST style communications. ref cite web first Djamal last Benslimane author authorlink coauthors Schahram Dustdar, and Amit Sheth title Services Mashups The New Generation of Web Applications url http dsonline.computer.org portal site dsonline menuitem.9ed3d9924aeb0dcd82ccc6716bbe36ec index.jsp?&pName dso level1&path dsonline 2008 09&file w5gei.xml&xsl article.xsl archiveurl work IEEE Internet Computing, vol. 12, no. 5 publisher Institute of Electrical and Electronics Engineers location page pages 13 15 language trans title doi date month year 2008 archivedate accessdate quote ref Web APIs allow the combination of multiple services into new applications known as Mashup web application hybrid mashup s. ref cite web first last author authorlink coauthors title Mashup Dashboard url http www.programmableweb.com mashups archiveurl work publisher ProgrammableWeb.com location page pages language trans title format doi date month year 2009 archivedate accessdate quote ref References Reflist Category Software architecture Category Web 2.0 neologisms web stub pl WebAPI ... more details
other API in Mac OS X, it is spread over several frameworks each a structure built around a shared ... CarbonLib code . As an umbrella term encompassing all C language API procedures accessing Mac specific ... equivalent Cocoa API Cocoa API . ref cite web url http developer.apple.com Carbon title Apple Carbon ... implementation of the preceding Macintosh API. As originally designed, Macintosh applications access ... is often possible using C preprocessor macros. Other changes from the pre existing API removed features ... with the Cocoa API. ref cite web url http developer.apple.com documentation Carbon Conceptual ... related API, defining sets of data structures and functions to manipulate them. Managers are often ... API. Some examples of Carbon Managers File Manager &mdash manages access to the file system, opening ... new object oriented API which brings to Carbon an Object oriented programming OO model for building ... Connection Carbon Mac OS X Widget toolkits Use dmy dates date June 2011 DEFAULTSORT Carbon Api Category Mac OS X APIs da Carbon programmering de Carbon Apple es Carbon API fr Carbon Mac OS X ko API it Carbon API mr ja Carbon ru Carbon API fi Carbon uk Carbon API zh Carbon API ... more details
Unreferenced date December 2009 TextEdit was the name of a collection of application programming interface s APIs in the classic Mac OS for performing text editing. These APIs were originally designed to provide a common text handling system to support text entry fields in dialog box es and other simple text editing within the Macintosh GUI . Over time, they were extended to provide more advanced text editing features, but its limited original scope led to fundamental limitations. Apple repeatedly stated that TextEdit was not a word processor , and therefore providing rich text editing was always left to third party developers. Basic limitations of TextEdit include only provides support for 8 bit character set s 16 bit internal indexing limits text to a maximum length of about 32,000 characters use of QuickDraw for glyph rendering limited the maximum height of a text block to 32,767 pixels this could be encountered well before the character limit was hit with larger font sizes. The first incarnation of TextEdit provided support for only a single style of text, which was applied to all text in the block. This was more than adequate for its intended use, supporting text entry fields. Later, support was added for styled text so that TextEdit could be used for more complex text editing tasks, such as text editing areas in web browsers, etc. TextEdit remains part of the Carbon computing Carbon APIs on Mac OS X , but has been superseded by numerous other solutions including ATSUI in Carbon, the third party WASTE text engine and the NSTextView and related classes within Cocoa software Cocoa . DEFAULTSORT Textedit Api Category Mac OS APIs Category Mac OS text editors TextEdit ... more details
inspired by the Cassandra java client. The API is defined in the Keyspace interface. Connection pooling ... Hector Api Category Distributed computing Category Distributed data stores Category Data stores Category ... more details
New API also referred to as NAPI is an interface to use interrupt mitigation techniques for networking devices in the Linux kernel . Such an approach is intended to reduce the overhead of packet receiving. The idea is to defer incoming message handling until there is a sufficient amount of them so that it is worth handling them all at once. Motivations for using NAPI A straightforward method of implementing a network driver is to interrupt the kernel by issuing an interrupt request IRQ for each and every incoming packet. However, servicing IRQs is costly in terms of processor resources and time. Therefore the straightforward implementation can be very inefficient in high speed networks, constantly interrupting the kernel with the thousands of packets per second. Overall performance of the system as well as network throughput can suffer as a result. Polling computer science Polling is an alternative to interrupt based processing. The kernel can periodically check for the arrival of incoming network packets without being interrupted, which eliminates the overhead of interrupt processing. Establishing an optimal polling frequency is important, however. Too frequent polling wastes CPU resources by repeatedly checking for incoming packets that have not yet arrived. On the other hand, polling too infrequently introduces latency by reducing system reactivity to incoming packets, and it may result in the loss of packets if the incoming packet buffer fills up before being processed. As a compromise, the Linux kernel uses the interrupt driven mode by default and only switches to polling mode when the flow of incoming packets exceeds a certain threshold, known as the weight of the network interface. NAPI compliant drivers A driver using the NAPI interface will work as follow Packet receive interrupts are disabled. The driver provides a poll method to the kernel. That method will fetch all incoming packets available, on the network card or a Direct memory access DMA ring, so that they will then be handled ... more details
API TextEdit APIs found in the earlier Mac OS. When extensions are needed, Cocoa s use of Objective ... and Cocoa Touch Mac OS X Widget toolkits DEFAULTSORT Cocoa Api Category Mac OS X APIs ar da Cocoa de Cocoa es Cocoa inform tica fr Cocoa Apple ko API it Cocoa mr nl Cocoa Apple ... more details
Defying Gravity may refer to In film and television Defying Gravity TV series Defying Gravity TV series , a 2009 drama television series Defying Gravity 2008 film Defying Gravity 2008 film Defying Gravity 1997 film Defying Gravity 1997 film , a 1997 independent gay themed romantic drama In music Defying Gravity song Defying Gravity song , a song from the Broadway musical Wicked Defying Gravity Keith Urban album Defying Gravity Keith Urban album 2009 Defying Gravity Vinnie Moore album Defying Gravity Vinnie Moore album 2001 Defying Gravity The Sherbs album Defying Gravity The Sherbs album 1981 disambig fr Defying Gravity it Defying Gravity fi Defying Gravity ... more details
Gravity Probe may refer to Gravity Probe A Gravity Probe B disambig de Gravity Probe Long comment to prevent listing on Special Shortpages.......................................................................... more details
Gravity control may refer to one of the following Anti gravityGravity shielding United States gravity control propulsion research disambig ... more details
Wiktionary gravity gravitation Gravity , or gravitation, is the mass proportionate force of attraction among matter. Gravity may also refer to TOC right Science and technology Gravity alcoholic beverage , the concentration of ethanol in an alcoholic beverage Gravity chemistry , the density of a fluid Gravity software , a program designed to simulate the motions of planetary bodies Gravity Technologies , a Hungary based IT provider Gravity Twitter client a software application for mobile phones with the Symbian ... Gravity film Gravity film , an upcoming science fiction thriller film Gravity TV series Gravity TV series , a 2010 American comedy drama series Gravity Star Trek Voyager Gravity Star Trek Voyager , an episode of Star Trek Voyager Gravity Entertainment , an American film and television production company Music Albums Gravity Alejandro Escovedo album Gravity Alejandro Escovedo album Gravity Anekdoten album Gravity Anekdoten album Gravity Bush Babees album Gravity Bush Babees album Gravity Fly to the Sky album Gravity Fly to the Sky album Gravity Fred Frith album Gravity Fred Frith album Gravity Jesse Cook album Gravity Jesse Cook album Gravity Kenny G album Gravity Kenny G album Gravity Out of the Grey album Gravity Out of the Grey album Gravity Our Lady Peace album Gravity Our Lady Peace album Gravity Westlife album Gravity Westlife album Gravity Tour , a tour by Westlife in support of the album Gravity James Brown album Gravity James Brown album , an James Brown discography album by James Brown , or the title song Gravity , by D Side Songs Gravity Delirious? song Gravity Delirious? song Gravity Embrace song Gravity Embrace song Gravity John Mayer song Gravity John Mayer song Gravity Luna Sea song Gravity Luna Sea song Gravity Maaya Sakamoto song Gravity Maaya Sakamoto song Gravity Pixie Lott song Gravity Pixie Lott song Gravity , a song by Coldplay from X&Y Gravity , a song by The Dresden Dolls from The Dresden Dolls album The Dresden Dolls Gravity , a song by Max Webster ... more details
. Samples may vary, so most of these figures are approximate. See also colbegin 3 APIgravity Baum ... use of specific gravity, see relative density . See Intensive and extensive properties intensive property for the property implied by specific . Specific gravity is the ratio of the density mass of a unit .... Apparent specific gravity is the ratio of the weight of a volume of the substance to the weight of an equal ... gravity as specified above is multiplied by 1000. ref Hough, J.S., Briggs, D.E., Stevens, R and Young ..., p. 881 ref Specific gravity is commonly used in industry as a simple means of obtaining information ... syrups, juices, honeys, brewers wort , must etc. and acids. Details Specific gravity, as it is the ratio of densities, is a dimensionless quantity . Specific gravity varies with temperature reference .... Substances with a specific gravity of 1 are neutrally buoyant in water, those with SG greater ... of the substance under study. It is in industry where specific gravity finds wide application, often for historical reasons. True specific gravity, can be expressed mathematically as math SG true ... rho mathrm H 2 mathrm O math is the density of water. The apparent specific gravity is simply ... of water, both measured in air. It can be shown that true specific gravity can be computed ... m H 2O frac g g frac W V sample W V H 2O math where math g math is the local acceleration due to gravity ... weather patterns but as specific gravity usually refers to highly incompressible aqueous solutions ... are usually neglected at least where apparent specific gravity is being measured. For true in vacuo specific gravity calculations air pressure must be considered see below . Temperatures are specified ... 20 C 4 C value for water of 0.9982343. As the principal use of specific gravity measurements in industry ... form of specific gravity. For example, in the brewing industry, the Plato scale Plato table ... it is derived from the original Plato table is for apparent specific gravity measurements at 20 C 20 ... more details
Gravity models are used in various social sciences to predict and describe certain behaviors that mimic gravitational interaction as described in Isaac Newton s law of gravity . Generally, the social science models contain some elements of mass and distance, which lends them to the metaphor of physical gravity. Social science gravity models Gravity model of trade Trip distribution Gravity model Trip distribution Gravity model of migration Two step floating catchment area 2SFCA method disambig ja ... more details
Fighting Gravity may refer to Fighting Gravity band , a Ska Pop Music Group based out of Richmond, Virginia Fighting Gravity performance artists , a Black Light Performance Art Troupe which was a finalist on America s Got Talent Season 5 disambig ... more details
Gravity Force is a computer game released in 1989 for the Amiga by Kingsoft. It is a 2D Thrust computer game Thrust clone, with single player missions and a 2 player multiplayer mode. It is primarily notable for inspiring the far more popular unofficial sequel Gravity Force 2 . In 1994, Jens Andersson and Jan Kronqvist released Gravity Force 2 in both freeware and registered versions. Innovative split screen and serial cable multiplayer modes gave it great replayability value the magazine Amiga Power declared it the second best game of all time, and commissioned Gravity Power , the slightly tweaked final version which was given away on the coverdisk of issue 50. All versions are now freeware. Although the planned sequel gf2k was never finished, many similarly titled clones appeared, such as http gf.codeplex.com Gravity Force XNA , http www.gravityjam.co.uk Gravity Jam , http sourceforge.net projects gp2 Gravity Power 2 , http www.gravity force.de Gravity Force , http www.gravity strike.de gs info.php Gravity Strike , http www.anastasei.co.uk Gravity.htm Gravity Fight , http www.efd.lth.se e96sn gwars.htm Gravity Wars , http sourceforge.net projects gravastar Gravastar , and http www.galaxy forces.com Galaxy Forces V2 . These games are generally freeware, unfinished and refer to themselves as Gravity Force clones , rather than Thrust clones . See also Thrust computer game XPilot External links http gf.codeplex.com Gravity Force XNA http hol.abime.net 2789 Gravity Force entry at Hall of Light http www.lysator.liu.se jensa gf2 The Gravity Force 2 Homepage moby game id gravity force name Gravity Force moby game id gravity force 2 name Gravity Force 2 http www.ricklindeman.nl files gravitypower.html CD32 version http www.complexgravity.com us index.htm Complex Gravity, a remake of Gravity Force adding water using the Allegro library Category 1989 video games Category Amiga ... nl Gravity Force ... more details
Samsung Gravity is a series of mobile phone s manufactured by Samsung Electronics . All are available at T Mobile USA and feature a QWERTY thumb keyboard . The lineup currently consists of the following Samsung Gravity original , the first phone in this series released on November 7, 2008 Samsung Gravity 2 , released in August 2009 Samsung Gravity 3 , released in June 2010 Samsung Gravity T , also released in June 2010 Samsung Gravity Smart, an Android operating system Android smartphone released on June 22, 2011 Samsung Gravity TXT, a feature phone released in August 2011 Samsung phones Category Samsung mobile phones Gravity ... more details
Gravity gradiometry is the study and measurement of variations in the acceleration due to gravity . The gravity gradient is the spatial rate of change of gravitational acceleration. Gravity gradiometry ... and they contribute to the gravity compensations applied to inertial navigation systems. Measuring the gravity gradient Put simply gravity measurements are a reflection of the earth s gravitational attraction ... forces. Gravity gradiometers measure the spatial derivatives of the gravity vector. The most frequently used and intuitive component is the vertical gravity gradient, G sub zz sub , which represents the rate of change of vertical gravity g sub z sub with height z . It can be deduced by differencing the value of gravity at two points separated by a small vertical distance, l, and dividing by this distance ... l 2 right over l math The two gravity measurements are provided by accelerometers which are matched and aligned to a high level of accuracy. Units The unit of gravity gradient is the Eotvos unit Eotvos ... at a distance of 2 metres would provide a gravity gradient signal approximately one Eotvos. Mountains can give signals of several hundred Eotvos. Gravity gradient tensor Full tensor gradiometers measure the rate of change of the gravity vector in all three perpendicular directions giving rise to a gravity gradient tensor Fig 1 . File Tensors Gz Gzz2.jpg thumb Fig 1. Conventional gravity measures ONE component of the gravity field in the vertical direction Gz LHS , Full tensor gravity gradiometry measures ALL components of the gravity field RHS Comparison to gravity Being the derivatives of gravity, the spectral power of gravity gradient signals is pushed to higher frequencies. This generally makes the gravity gradient anomaly more localised to the source than the gravity anomaly. The table ... wikitable Gravity g sub z sub Gravity gradient G sub zz sub Signal math GM ,z over left r 2 z 2 right ... math 3.07 , z math math 2 , z math File Gravity and gravity gradient signals2.jpg thumb Fig 2. Vertical ... more details
Infobox Company name Gravity Interactive, Inc. logo Image Gravity interactive.png type Privately held company Private subsidiary of Gravity company GRAVITY Co., Ltd. genre foundation March, 2003 founder location city location country location Marina del Rey, California locations area served North America key people industry Video game s products services Video game Publishing revenue operating income net income assets equity owner num employees parent divisions subsid slogan homepage footnotes intl Founded in March 2003, Gravity Interactive LLC was created to host games for North America developed by GRAVITY Co., Ltd. . It is based in Marina del Rey near Los Angeles , California . Gravity was initially provided with several Server computing server s from Gravity Co. ref name equip http contracts.onecle.com gravitygravity interactive.sales.2003.shtml Sample Contracts Equipment Sales Agreement ref , and began Beta version beta testing of the International Ragnarok Online iRO service in 2003. ref name beta1 http www.gravity.co.kr en about eng company1.asp About Gravity Interactive Gravity KR Website ref Commercial service subsequently began on June 1, 2003. In 2005, Gravity also began hosting the North American version of ROSE Online naROSE . On January 1, 2006, Gravity Interactive LLC became Gravity Interactive, Inc. ref name rename http www.sec.gov Archives edgar data 1313310 000114554907001173 h01298e20vf.htm SEC 20 F Filing 2006 Annual Report ref In February 2008, Gravity began ... news.aspx?num 51 Requiem Closed Beta Information. ref Games Games which Gravity Interactive currently ... In 2007, Gravity founded a new game developer , L5 Games. Its employees consisted of those formerly employed by Blizzard Entertainment . This subsidiary of Gravity Interactive, rather than Gravity company GRAVITY Co., Ltd. , was formed to develop games for the North American market. ref name l5 Cite web url http www.sec.gov Archives edgar data 1313310 000136231007003249 c71727e6vk.htm title Gravity ... more details
for theoretical Gravity railroads of the future Gravity train A gravity railroad American English or Gravity ... carrying minerals or passengers to coast down the slope by the force of gravity alone. The cars are then hauled ... cars on the train. The typical amusement park roller coaster is designed from gravity railroad technology. Types of gravity railroad Some gravity railroads were designed to allow the weight of the descending ... or turnout instead of a loop, the railroad was known as a switchback gravity railroad. Switchback gravity railroad Image Gravity Incline.png thumb Switchbacked incline The term switchback gravity railroad is sometimes applied to gravity railroads that used special self acting momentum driven Y shaped ... by gravity, while horses were originally used to haul the empty wagons up the hill. On the downward ... hauled. Image Gravity car on Mt Tam Muir.jpg thumb right alt A single open railroad car, on a single ..., all of whom are wearing hats. Gravity car no. 21 on the Mt. Tamalpais and Muir Woods Scenic Rwy c. 1915. Demonstration gravity trains are still occasionally run using original wagons up to 50 at a time. United States See Delaware and Hudson Gravity Railroad In the United States , The Delaware and Hudson Canal Delaware and Hudson Canal Company operated an extensive gravity railroad system from 1828 until 1898. With 22 separate lift planes, the 55 mile 88 km Pennsylvania Coal Company Gravity ... to the success and advancement of the gravity railroads, a gravity operation at Hawley and Pittston ... carried gravity cars up Mount Tamalpais in Marin County, California and riders in the gravity cars ..., a Gravity Car Barn was built on the top of the mountain to commemorate the old form of transportation, and a faithful replica of a gravity car was set on sixty feet of track. ref http www.mttam.net Default.aspx?tabid 828 Mt. Tamalpais Interpretive Association, Gravity Car Barn ref Other inclined railroads A funicular is not a true gravity railroad, as cars never coast freely and are always connected ... more details
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