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  1. Waterfall - Wikipedia

    en.wikipedia.org/wiki/Waterfall

    Significant waterfalls, listed alphabetically: Angel Falls in Venezuela is the world's tallest above-water waterfall at 979 metres (3,212 ft).; Aysgarth Falls in the Yorkshire Dales, England – which provided inspiration for Ruskin, Turner and Wordsworth.

    • Formation

      Waterfalls are commonly formed in the upper course of a...

    • Researchers

      Alexander von Humboldt "Father of Modern Geography" Humboldt...

    • Types

      Some waterfalls are also distinct in that they do not flow...

    • Examples

      Powerscourt Waterfall is the tallest Waterfall in Ireland.

    • Angel Falls

      Angel Falls (Spanish: Salto Ángel; Pemon language:...

    • Iguazu Falls

      The staircase character of the falls consists of a two-step...

    • Yosemite Falls

      Yosemite Falls is the highest waterfall in Yosemite National...

    • Punch Bowl Falls

      Punch Bowl Falls is a waterfall on Eagle Creek in the...

  2. List of waterfalls - Wikipedia

    en.wikipedia.org/wiki/List_of_waterfalls

    This list of notable waterfalls of the world is sorted by continent, then country, then province, state or territory. A waterfall is included if it has an existing article specifically for it on Wikipedia, and it is at least 15 m (50 ft) high, or the falls have some historical significance based on multiple reliable references.

  3. Waterfall model - Wikipedia

    en.wikipedia.org/wiki/Waterfall_model
    • Overview
    • History
    • Model
    • Supporting arguments
    • Criticism
    • Modified waterfall models

    The waterfall model is a breakdown of project activities into linear sequential phases, where each phase depends on the deliverables of the previous one and corresponds to a specialisation of tasks. The approach is typical for certain areas of engineering design. In software development, it tends to be among the less iterative and flexible approaches, as progress flows in largely one direction through the phases of conception, initiation, analysis, design, construction, testing, deployment and m

    The first known presentation describing use of such phases in software engineering was held by Herbert D. Benington at the Symposium on Advanced Programming Methods for Digital Computers on 29 June 1956. This presentation was about the development of software for SAGE. In 1983 the paper was republished with a foreword by Benington explaining that the phases were on purpose organised according to the specialisation of tasks, and pointing out that the process was not in fact performed in a strict

    In Royce's original waterfall model, the following phases are followed in order: System and software requirements: captured in a product requirements document Analysis: resulting in models, schema, and business rules Design: resulting in the software architecture Coding: the development, proving, and integration of software Testing: the systematic discovery and debugging of defects Operations: the installation, migration, support, and maintenance of complete systems Thus the waterfall model main

    Time spent early in the software production cycle can reduce costs at later stages. For example, a problem found in the early stages is cheaper to fix than the same bug found later on in the process. In common practice, waterfall methodologies result in a project schedule with 20–40% of the time invested for the first two phases, 30–40% of the time to coding, and the rest dedicated to testing and implementation. The actual project organisation needs to be highly structured. Most medium ...

    Clients may not know exactly what their requirements are before they see working software and so change their requirements, leading to redesign, redevelopment, and retesting, and increased costs. Designers may not be aware of future difficulties when designing a new software product or feature, in which case it is better to revise the design than persist in a design that does not account for any newly discovered constraints, requirements, or problems. Organisations may attempt to deal with a lac

    In response to the perceived problems with the "pure" waterfall model, many modified waterfall models have been introduced. These models may address some or all of the criticisms of the "pure" waterfall model. These include the Rapid Development models that Steve McConnell calls "modified waterfalls": Peter DeGrace's "sashimi model", waterfall with subprojects, and waterfall with risk reduction. Other software development model combinations such as "incremental waterfall model" also exist.

  4. Waterfalls (TLC song) - Wikipedia

    en.wikipedia.org/wiki/Waterfalls_(TLC_song)
    • Overview
    • Background
    • Music video
    • Live performances
    • Critical reception
    • Legacy

    "Waterfalls" is a song by American recording group TLC. It was written by Marqueze Etheridge and Organized Noize along with a verse written by group member Lisa "Left Eye" Lopes for TLC's second album, CrazySexyCool, with production also by Organized Noize. The song was released as the third single from the album on May 29, 1995, in the United States, followed by a United Kingdom release on August 5, 1995. Often considered the group's signature song, "Waterfalls" was an international hit, toppin

    "Waterfalls" is an R&B song, written by TLC band member Lisa "Left Eye" Lopes with Marqueze Etheridge and Organized Noize, who also produced the song. Rozonda "Chilli" Thomas and Tionne "T-Boz" Watkins perform the song with Lopes, who also provides a rap. The background vocals are performed by the members of TLC, as well as Debra Killings and Cee-Lo Green while the improvised bass line is provided by LaMarquis "ReMarqable" Jefferson. Of Green's involvement, Watkins noted, "He was in Goodie Mob,

    The music video visualizes the two verses of the song, particularly during extended instrumental breaks after each verse: 1. An inner-city teen ignores his mother's pleas to quit selling drugs; her spirit stands in front of him silently begging him to stop, but he is shot dead as he is about to make a sale on a street corner. At the end of the video, the dead teen's own spirit is futilely trying to embrace his mother as she walks down the street, but as she can no longer see him, she walks throu

    The song was performed at many awards shows, including the 1995 MTV Video Music Awards and the 1996 Grammy Awards. The group performed "Waterfalls" at the 1995 MTV Movie Awards wearing black tops and silver pants. The performance "was theatrical and kept true to the lyrical story." They also performed the song at MTV's 20th Anniversary on August 1, 2001, making it Left Eye's final performance with the group before her death. In September 1995, TLC performed "Waterfalls" in a medley with "Creep"

    "Waterfalls" received critical acclaim from music critics. Bill Lamb from About.com commented that "slinky, gently insistent backing horns and guitar combine with smooth, languid vocals to create an instant R&B classic." He noted that the song "is a disturbing commentary on street violence and its impact on the lives of young black men." Christine Werthman from Complex wrote that the song "is drenched in water-droplet synth notes, live drums, rising horns, and a bass line that walks wherever it

    Jeff Benjamin of Fuse wrote that the track was "far more than just another pop hit: The track told a cautionary tale of HIV and AIDS, and its video depicted a man who didn't wear a condom with his girlfriend and later watched his body degenerate in the mirror." AllMusic's Stephen Thomas Erlewine wrote that "Waterfalls, "with its gently insistent horns and guitar lines and instantly memorable chorus,... ranks as one of the classic R&B songs of the '90s." Sputnikmusic's Butler asserted that "any l

    • 4:40
    • May 29, 1995
    • 1994
    • R&B
  5. A waterfall is a place where water rushes down a steep ledge. The water flows from higher land, then it falls down a big step of rock to lower land of softer rock where it will continue on its journey. Usually the lower land is in a gorge. Waterfalls are usually made when a river is young, in places where softer rock is underneath harder rock ...

  6. Waterfall chart - Wikipedia

    en.wikipedia.org/wiki/Waterfall_chart

    A waterfall chart is a form of data visualization that helps in understanding the cumulative effect of sequentially introduced positive or negative values. These intermediate values can either be time based or category based.

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  8. Waterfall (M. C. Escher) - Wikipedia

    en.wikipedia.org/wiki/Waterfall_(M._C._Escher)

    Waterfall (Dutch: Waterval) is a lithograph by the Dutch artist M. C. Escher, first printed in October 1961.It shows a perpetual motion machine where water from the base of a waterfall appears to run downhill along the water path before reaching the top of the waterfall.

  9. Tegenungan Waterfall - Wikipedia

    en.wikipedia.org/wiki/Tegenungan_Waterfall

    Tegenungan Waterfall is a waterfall in Bali, Indonesia. It is located at the Tegenungan Kemenuh village, in Gianyar , North from the capital Denpasar and close to the artist village of Ubud . The waterfall is isolated but has become a popular tourist attraction.

  10. Tumpak Sewu Waterfalls - Wikipedia

    en.wikipedia.org/wiki/Tumpak_Sewu_Waterfalls

    The waterfall is overshadowed by Semeru, an active volcano and the highest mountain in Java. The Glidik River is a meltwater source fed from the mountain, which is the primary flow for the waterfall. Tumpak Sewu is loosely translated to mean "a thousand waterfalls" in the Javanese language. The name likely originated due to its appearance of ...

  11. Wli waterfalls - Wikipedia

    en.wikipedia.org/wiki/Wli_Waterfalls

    The Wli waterfalls is the highest water fall in West Africa The falls is known locally as Agoomatsa waterfalls - meaning, "Allow Me to Flow." It is located in the Hohoe municipality of the Volta Region, the land of the Ewe culture. It is approximately 280 kilometers from the capital Accra.

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