Technology and the built world

Marvel's Deadpool VR

Marvel's Deadpool VR is a 2025 virtual reality action game starring Deadpool, developed by Twisted Pixel Games and released exclusively for Meta Quest 3 headsets.

Marvin is a family of chemical structure programs from ChemAxon, comprising MarvinSketch for drawing structures and reactions, MarvinView for viewing, and Molconvert for converting file formats; a JavaScript editor, Marvin JS, serves web environments.

Marvin Camras

Marvin Camras (1916–1995) was an American electrical engineer at the Illinois Institute of Technology whose inventions made magnetic recording practical, earning him more than 500 patents and the 1990 National Medal of Technology.

Marvin E. Jensen

Marvin E. Jensen (1926–2022) was an American irrigation and water resources engineer whose USDA computer methods for scheduling irrigation are still used across the United States.

Marvin M. Johnson

Marvin M. Johnson (1928–2017) was an American chemical engineer at Phillips Petroleum who invented metal passivating agents for catalytic cracking, winning the 1985 National Medal of Technology.

Marvin Minsky

Marvin Lee Minsky (1927–2016) was an American computer scientist who co-founded the MIT AI Laboratory, built the first neural network learning machine, and won the 1970 Turing Award.

Marvin the Paranoid Android

Marvin the Paranoid Android is a gloomy, hyperintelligent robot in Douglas Adams's The Hitchhiker's Guide to the Galaxy, created for the 1978 BBC radio series and voiced by Alan Rickman in the 2005 film.

Marwa power station

Marwa power station, officially renamed Atal Bihari Vajpayee Thermal Power Station in 2018, is a 1,000 MW coal-fired plant at Marwa in Janjgir-Champa district, Chhattisgarh, India.

Marwan A. Simaan

Marwan A. Simaan is an American control engineer elected to the National Academy of Engineering in 2000, known for dynamic game theory, signal processing, and control of implanted heart pumps.

Mary Babnik Brown

Mary Babnik Brown (1907–1991) was an American from Pueblo, Colorado, who donated her 34-inch blonde hair during World War II for use in meteorological instruments, refusing payment.

Mary Baker (mechanical engineer)

Mary Baker (died 2021) was an American mechanical engineer who co-founded ATA Engineering of San Diego and was elected to the National Academy of Engineering in 2019.

Mary C. Boyce

Mary C. Boyce is an American mechanical engineer known for the Arruda–Boyce rubber elasticity model and for serving as provost of Columbia University from 2021 to 2023.

Mary Celeste

Mary Celeste was an American merchant brigantine found adrift and deserted off the Azores in December 1872 with all ten aboard, including Captain Briggs, his wife, and daughter, never accounted for.

Mary Jackson (engineer)

Mary Winston Jackson was an American mathematician and aerospace engineer at NASA's Langley Research Center in Hampton, Virginia, who in 1958 became NASA's first Black female engineer.

Mary Jane (shoe)

Mary Jane, also known as bar shoes, is a low-heeled shoe with a strap across the instep, named after a 1902 Buster Brown comic character.

Mary M. Roybal

Mary M. Roybal is a retired American aerospace engineer who spent her career at Raytheon in Tucson, Arizona, and was elected to the National Academy of Engineering in 2025.

Mary Parker (materials research engineer)

Mary E. Parker is an American materials research engineer at the U.S. Naval Research Laboratory, known for marine corrosion research and a 2025 PECASE award.

Mary power station

Mary State Power Station is a natural-gas-fired thermal power station in Mary, Turkmenistan, whose total capacity reached 2,985.7 MW after a combined-cycle plant opened in 2018.

Mary Rose

The Mary Rose was a warship built for Henry VIII between 1510 and 1511 that sank in the Solent in 1545 and was raised in 1982.

Maryann T. Phipps

Maryann T. Phipps is an American structural engineer, founding principal of Estructure, Inc. in Oakland, California, elected to the National Academy of Engineering in 2022 for seismic engineering leadership.

Maryland Department of Transportation

The Maryland Department of Transportation (MDOT) is a principal executive department of Maryland state government, authorized in 1970 and operating since 1971, overseeing aviation, highways, transit, ports, and tolls.

Maryland Public Service Commission

The Maryland Public Service Commission (PSC) is the Maryland state agency that regulates electric, gas, telephone, water, and sewage utilities, established in 1910 by the Maryland General Assembly.

Maryland v. King

Maryland v. King, 569 U.S. 435 (2013), is a US Supreme Court decision holding that DNA cheek swabs of serious-offense arrestees are a reasonable booking procedure like fingerprinting.

Marylebone station

Marylebone station, officially London Marylebone, is a central London railway terminus opened in 1899 as the last of London's termini, now the London terminus of Chiltern Railways.

Marzyeh Ghassemi

Marzyeh Ghassemi is a computer scientist and MIT associate professor who works on machine learning for health, known for findings that clinical AI models encode demographics.

MAS-36 rifle

The MAS-36 (MAS Modèle 1936) is a French military bolt-action rifle adopted in 1936, chambered in the 7.5×54mm cartridge and built by MAS at Saint-Étienne.

MAS-49 rifle

The MAS-49 rifle is a French semi-automatic rifle chambered for the 7.5×54mm French cartridge, adopted in 1949 and refined in 1956 into the MAS 49/56, the standard French infantry rifle until the FAMAS.

Masakazu Aono

Masakazu Aono (青野正和) is a Japanese nanoscale scientist at the National Institute for Materials Science, known for the atomic switch, a nanoscale device controlled by single metal atoms, and for nanoarchitectonics.

Masanobu Shinozuka

Masanobu Shinozuka (1930–2018) was a Japanese-born American civil engineer who pioneered stochastic mechanics, structural reliability, and Monte Carlo simulation in earthquake engineering, teaching at Columbia, Princeton, USC, and UC Irvine.