2,617 articles
Michael K. Loose
Michael K. Loose, known as Mike Loose, is a retired US Navy vice admiral and civil engineer who commanded NAVFAC and was elected to the National Academy of Engineering in 2011.
Michael R. Johnson
Michael R. Johnson is an American civil engineer and retired Navy rear admiral who led NAVFAC and spent 17 years overseeing facilities at the University of Arkansas.
Microbial desalination cell
A microbial desalination cell is a bioelectrochemical device in which wastewater bacteria oxidize organic matter, generating current that drives salt ions through membranes, desalinating water without external power. It was first demonstrated in 2009.
Micropile
A micropile is a small-diameter, drilled and grouted deep foundation element, typically under 12 inches in diameter, used for underpinning, seismic retrofitting, and slope stabilization.
Microplastics
Microplastics are solid, water-insoluble plastic particles, generally smaller than 5 mm, that occur throughout the environment and have been detected in food, air, and both bottled and tap drinking water.
Microtunneling
Microtunneling is a trenchless construction method in which a remotely controlled, laser-guided microtunnel boring machine excavates a bore while product pipe is hydraulically jacked into place behind it.
Middle Bridge
Middle Bridge: name shared by several historic bridges, chiefly Robert Mylne's Grade I listed 1782-84 stone arch over the River Test at Romsey, Hampshire; also bridges in Basel, Mississauga, the Tower of London, and Missouri.
Middle Rio Grande Project
The Middle Rio Grande Project is a U.S. Bureau of Reclamation project in central New Mexico, authorized in 1948 to rehabilitate irrigation works and stabilize the Rio Grande.
Middlesex Canal
The Middlesex Canal was a 27-mile waterway in Massachusetts, built between 1793 and 1803 to connect the Merrimack River near Lowell with Boston, operating until 1853.
Mike O'Callaghan–Pat Tillman Memorial Bridge
The Mike O'Callaghan–Pat Tillman Memorial Bridge, also known as the Pat Tillman Bridge, is a concrete arch bridge carrying US Route 93 across the Colorado River near Hoover Dam, opened in 2010.
Millau Viaduct
The Millau Viaduct is a multi-span cable-stayed road bridge carrying the A75 motorway across the Tarn valley near Millau, France, built between 2001 and 2004.
Millennium Bridge, London
The Millennium Bridge, officially the London Millennium Footbridge, is a pedestrian suspension bridge across the Thames in London, nicknamed the "wobbly bridge" after opening in 2000.
Millicent (tunnel boring machine)
Millicent was a tunnel boring machine that dug the first 5 km section of London's Thames Tideway Tunnel from Battersea to Fulham between 2018 and 2019.
Milo E. Riverso
Milo E. Riverso is an American civil engineer and construction executive, elected to the National Academy of Engineering in 2026, who led STV Group and the New York City School Construction Authority.
Milton Brumer
Milton Brumer (1902–1999) was an American civil engineer who served as chief engineer and later president of Ammann & Whitney, responsible for major suspension bridges including the Walt Whitman and Throgs Neck.
Minneapolis Skyway System
The Minneapolis Skyway System, also called the Minneapolis Skyway, is a network of enclosed pedestrian bridges and tunnels linking about 80 blocks and 150 downtown Minneapolis buildings.
Minneriya Tank
Minneriya Tank, also called Minneriya lake, is an ancient irrigation reservoir in Polonnaruwa District, Sri Lanka, built during King Mahasen's reign and still serving paddy irrigation.
Minowa Dam (美和ダム)
Minowa Dam (美和ダム) is a 72 m high concrete gravity dam on the Sawa River, a Tenryū River tributary, in Minowa, Nagano Prefecture, Japan, serving flood control and water supply.
Mir mine
The Mir mine, or Mirny Mine, is a diamond mine in Mirny, Yakutia, Russia, worked from 1957 in one of the world's largest open pits.
Mishima Skywalk
Mishima Skywalk (三島スカイウォーク), officially Hakone Seiroku Mishima Suspension Bridge, is a 400 m pedestrian suspension bridge in Mishima, Shizuoka, opened 2015, viewing Mt. Fuji and Suruga Bay; Japan's longest until 2025.
Mission Bhagiratha (మిషన్ భగీరథ)
Mission Bhagiratha (మిషన్ భగీరథ) is the drinking water program of Telangana, India, supplying treated river and reservoir water through an integrated pipeline grid to households.
Mission Kakatiya
Mission Kakatiya (Mana Ooru – Mana Cheruvu) is a Telangana government program launched in 2015 to restore about 46,531 minor irrigation tanks, named after the Kakatiya dynasty.
Mississippi River and Tributaries Project
The Mississippi River and Tributaries Project is a flood control and navigation program for the lower Mississippi River, authorized by the Flood Control Act of 1928.
Mississippi Valley Division
The Mississippi Valley Division is a US Army Corps of Engineers regional command managing water resources, navigation, and flood control across the Mississippi River Valley in 12 states.
Mittelland Canal
The Mittelland Canal, also called the Midland Canal, is Germany's longest artificial inland waterway, a 321 km east-west shipping route opened in 1938 linking the Rhine and Elbe.
Modern aqueducts of Europe
Modern aqueducts of Europe are complex water-moving systems composed of pipes and canals, which historians studied in cities like Naples and Venice between 1800 and 1910.
MOF-801 water harvester
The MOF-801 water harvester is a solar-powered device that extracts drinkable water from desert air as dry as 10% humidity, first demonstrated in Tempe, Arizona, in 2017.
Moffat Tunnel
The Moffat Tunnel is a 6.2-mile active railroad tunnel beneath the Continental Divide in the Colorado Rockies, opened in 1928 and once the largest railroad tunnel in the Western Hemisphere.
Mohale Dam
Mohale Dam is a 145-meter-high concrete-faced rockfill dam on the Senqunyane River in the Lesotho Highlands, completed in 2002 as part of the Lesotho Highlands Water Project.
Möhne Dam
The Möhne Dam (Möhnetalsperre) is a curved masonry gravity dam on the Möhne river in Germany, built 1908–1913 to supply water to the Ruhr and breached in the 1943 Dambusters raid.