edgepedia

Technology and the built world

61,984 articles

Medium-density fibreboard

Medium-density fibreboard (MDF) is an engineered wood panel of wood fibers, wax, and resin pressed under heat, developed in the United States in the early 1960s and used for furniture, cabinets, and doors.

Medrobotics

Medrobotics Corporation was a privately held medical robotics company in Raynham, Massachusetts, that developed the Flex Robotic System for transoral head and neck surgery before entering bankruptcy in 2022.

MedSAM

MedSAM is a promptable AI foundation model for medical image segmentation, fine-tuned from Meta's Segment Anything Model on over 1.5 million medical image-mask pairs and introduced in April 2023.

Medtech SA

Medtech SA was a French surgical robotics company in Montpellier, founded in 2002 by Bertin Nahum and known for the ROSA robots for brain and spine surgery.

Medupi power station

Medupi power station is a dry-cooled, coal-fired baseload power station operated by Eskom near Lephalale in Limpopo province, South Africa, with six supercritical units totaling 4,800 MW.

Medvezhye Oil and Gas Field

The Medvezhye oil and gas field (Медвежье месторождение) is a giant gas field in West Siberia, Russia, discovered in 1967 and producing since 1972 under Gazprom.

Medvezhye-Nadym Gas Pipeline

The Medvezhye-Nadym Gas Pipeline is a pair of natural gas trunklines running about 118 km from the Medvezhye field to Nadym in northwest Siberia, commissioned in 1972 and 1975.

Meenakshi Energy Thermal Power Project

Meenakshi Energy Thermal Power Project, also known as Thamminapatnam TPP, is a 1,000 MW coal-fired power station at Thamminapatnam in Nellore district, Andhra Pradesh, India.

Meenakshi Temple (மீனாட்சி)

Meenakshi Temple, also called Meenakshi Amman Temple (மீனாட்சி), is a historic Hindu temple in central Madurai, Tamil Nadu, dedicated to Meenakshi, a form of Parvati, and Sundareswarar, a form of Shiva.

Meenesh R. Singh

Meenesh R. Singh is a chemical engineer and full professor at the University of Illinois Chicago, working on carbon capture and solar-energy conversion, with a joint appointment at Argonne National Laboratory.

Meerschaum pipe

A meerschaum pipe is a tobacco pipe whose bowl is carved from meerschaum, a soft white mineral that yields a dry, cool smoke and darkens with use.

Meet-in-the-middle

Meet-in-the-middle is an algorithmic technique that splits a search space into two halves searched separately and combined by matching, reducing 2^n time to 2^(n/2) at the cost of memory.

MEF Forum

MEF Forum, originally the Metro Ethernet Forum, is a non-profit industry association founded in 2001 that developed standards, certifications, and APIs for Carrier Ethernet services.

MEG Energy

MEG Energy was a Canadian oil sands company producing roughly 100,000 barrels of bitumen per day at Christina Lake in Alberta using steam-assisted gravity drainage.

Mega (service)

Mega, also known as Mega.nz, is a cloud storage and communication service founded by Kim Dotcom in 2013 that encrypts files on the user's device before upload.

Mega Ampere Spherical Tokamak

The Mega Ampere Spherical Tokamak (MAST) is a spherical tokamak at the Culham Centre for Fusion Energy in England, whose reengineered successor, MAST Upgrade, began operation in 2020.

Mega Project (gas pipeline)

Mega Project refers to a multi-billion-dollar gas pipeline megaproject linking producing regions to distant markets, exemplified by Norway's Zeepipe (1993) and the 1,200 km Langeled pipeline to England.

Megabus (Europe)

Megabus is a low-fare intercity coach brand launched by Stagecoach in August 2003 as the UK's first internet-only coach operator, known for headline fares from £1 or €1.

Megabyte

The megabyte (MB) is a unit of digital information equal to 1,000,000 bytes under the modern standard, though long also used for 1,048,576 bytes, now properly called a mebibyte.

MEGAL Gas Pipeline

The MEGAL is a German long-distance natural gas pipeline system running from the Czech border at Waidhaus to the French border, built between 1975 and 1981.

Megalopolis Lignite Mines

Megalopolis lignite mines: open-pit lignite mines of the Megalopolis Basin, Peloponnese, Greece, worked by PPC since 1969 (434 Mt reserves, four mines: Thoknia, Marathousa, Kyparissia, Choremi) and known for the Marathousa 1 Lower Palaeolithic site.

Megan Brennan

Megan Brennan is an American postal executive who served as the 74th Postmaster General of the United States from 2015 to 2020, the first woman to hold the office.

Megan O'Rourke

Megan O'Rourke is an American agroecologist who studies how farmland biodiversity, landscape management, and pest control affect crop production, and received the PECASE award, honored at the White House in 2019.

Megan Smith

Megan Smith, also known as Megan J. Smith, is an American engineer and entrepreneur who served as U.S. chief technology officer from 2014 to 2017 under President Obama.

Megaproject

A megaproject, also called a gigaproject or megainfrastructure, is an extremely large investment project, typically over $1 billion, common in energy, transport, and water infrastructure.

Megastructure

A megastructure is an architectural concept in which one very large structural frame houses a city's buildings, transportation, and public facilities, coined by Fumihiko Maki in 1964.

Megatron-LM

Megatron-LM is an open-source PyTorch library from NVIDIA for training large transformer language models across many GPUs, built on tensor, pipeline, and data parallelism since 2019.

Megatron-Turing NLG

Megatron-Turing NLG (MT-NLG) is a 530-billion-parameter language model trained jointly by Microsoft and NVIDIA and announced in October 2021, then the largest dense transformer model.

Megaupload

Megaupload was a one-click file-hosting service founded by Kim Dotcom in 2005, shut down by the US Department of Justice in January 2012 on criminal copyright charges.

Megawatt Charging System

The Megawatt Charging System (MCS) is a CharIN charging standard for heavy-duty electric vehicles, delivering DC power up to 3.75 MW, about seven times today's fast charging.