edgepedia

Technology and the built world

61,984 articles

MapReduce

MapReduce is a programming model introduced by Jeffrey Dean and Sanjay Ghemawat at Google in 2004 for parallel processing of large data sets on clusters of commodity machines.

Maputo–Katembe Bridge

The Maputo–Katembe Bridge (Ponte Maputo–Katembe) is a suspension bridge over Maputo Bay connecting Mozambique's capital, Maputo, with Katembe; opened in 2018, it is the longest suspension bridge in Africa.

Mapy.com

Mapy.com, formerly Mapy.cz, is a mapping and navigation service run by Czech company Seznam.cz since 1998. Renamed in March 2025, it offers offline maps and outdoor route planning.

Mar-a-Lago

Mar-a-Lago is a 128-room mansion and private club in Palm Beach, Florida, built in the 1920s for Marjorie Merriweather Post and owned by Donald Trump since 1985.

MARAFIQ Independent Water and power plant

The MARAFIQ Independent Water and Power Plant is a gas-fired cogeneration plant in Jubail, Saudi Arabia, producing about 2,750 MW and 800,000 m³ of desalinated water daily.

Maraging steel

Maraging steel is an ultra-high-strength, very low carbon iron-nickel alloy, its name from martensite and age hardening, reaching yield strengths of 1400 to 2400 MPa.

Maramzai Oil and Gas Field

Maramzai is a gas and condensate field in the Tal Block of the Kohat Plateau, Khyber Pakhtunkhwa, Pakistan, discovered in 2009 and commercially productive since 2011 under operator MOL Pakistan.

Marangoni drying

Marangoni drying is a wafer-drying technique in semiconductor manufacturing where an IPA vapor creates a surface tension gradient that pulls rinse water off silicon wafers, avoiding watermarks.

Marantz

Marantz is an audio equipment brand founded by Saul Marantz in New York in 1953, now owned by Harman, with premium products built at its Shirakawa Audio Works in Japan.

Maratha Military Landscapes of India

Maratha Military Landscapes of India is a serial UNESCO World Heritage property comprising twelve fortifications built by the Marathas between the 17th and 19th centuries.

Marathon Oil

Marathon Oil Corporation, originally The Ohio Oil Company, was an American oil and gas producer founded in Lima, Ohio, in 1887 and acquired by ConocoPhillips in 2024.

Marathon Petroleum

Marathon Petroleum Corporation, headquartered in Findlay, Ohio, is an American energy company spun off from Marathon Oil in June 2011 that operates 13 refineries with about 3.0 million barrels per day of capacity.

MARAUDER

MARAUDER, or Project MARAUDER, was a 1990s US Air Force Research Laboratory project to develop a coaxial plasma railgun accelerating plasma rings with magnetic fields.

Marauder (vehicle)

The Marauder, or Paramount Marauder, is a South African mine-protected armored vehicle by Paramount Group, shown from 2007 and famed for its Top Gear appearance.

Marble

Marble is a multimodal world model by World Labs (San Francisco). Founded by Fei-Fei Li, it is the first commercial AI to generate navigable 3D environments from diverse data.

Marble House

Marble House is a Gilded Age mansion at 596 Bellevue Avenue in Newport, Rhode Island, built 1888–1892 for William Kissam and Alva Vanderbilt and designed by architect Richard Morris Hunt.

Marc A. Meyers

Marc A. Meyers, also known as Marc André Meyers, is an American materials scientist and Distinguished Professor at UC San Diego known for research on the dynamic behavior of materials.

Marc Andreessen

Marc Andreessen is an American entrepreneur who co-created the Mosaic web browser at NCSA in 1993, co-founded Netscape, and founded Andreessen Horowitz with Ben Horowitz in 2009.

Marc Auslander

Marc Auslander is an American computer scientist at IBM's Watson Research Center known for the PL.8 compiler, the AMERICA architecture behind the RS/6000, and K42.

Marc Baldo

Marc Baldo is an American electrical engineer at MIT known for phosphorescent OLEDs and singlet exciton fission solar cells, elected to the National Academy of Engineering in 2024.

Marc Benioff

Marc Benioff, born Marc Russell Benioff, is an American entrepreneur who co-founded Salesforce in 1999 after 13 years at Oracle, and pioneered cloud computing and the 1-1-1 philanthropy model.

Marc Garneau

Marc Garneau, full name Joseph Jean-Pierre Marc Garneau (1949–2025), was a Canadian naval officer and astronaut who became the first Canadian in space in 1984.

Marc Isambard Brunel

Marc Isambard Brunel, knighted in 1841, was a French-born engineer who settled in England, invented the tunnelling shield, and directed the Thames Tunnel, the first under a navigable river.

Marc J. Pelegrin

Marc J. Pélegrin (1923–2024) was a French automatic-control engineer who directed the SUPAERO aerospace school and ONERA's Toulouse research center, co-authored a standard control theory textbook, and was elected to the US National Academy of Engineering.

Marc Pollefeys

Marc Pollefeys, born 1971, is a Belgian computer vision scientist, professor at ETH Zurich, and director of the Microsoft Spatial AI Lab in Zurich, known for camera self-calibration and leading the vision algorithms in Microsoft HoloLens.

Marc Raibert

Marc Raibert is an American roboticist known for legged robots that balance dynamically. He founded Boston Dynamics in 1992 as an MIT spin-off and now leads the RAI Institute.

Marc Randolph

Marc Randolph is an American entrepreneur best known as the co-founder and first CEO of Netflix, the DVD-by-mail rental company he started with Reed Hastings in 1997.

Marc S. Newkirk

Marc S. Newkirk was an American materials engineer and inventor known for the directed-oxidation process for making ceramic materials, elected to the National Academy of Engineering in 1997.

MARC standards

MARC standards, or Machine-Readable Cataloging, are formats libraries use to store and exchange catalog records between computer systems, developed from a 1960s Library of Congress initiative.

Marc Timme

Marc Timme is a physicist working on the collective dynamics of networks, including synchronization, neural circuits, and power grids, who heads the Chair for Network Dynamics at TU Dresden.