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Memory Stick
Memory Stick is a removable flash memory card format developed by Sony and launched in 1998 for cameras, camcorders, and music players; Sony added SD support in 2010.
Memory-mapped I/O
Memory-mapped I/O (MMIO) places device registers at addresses in the processor's normal address space, letting software control hardware with ordinary load and store instructions instead of dedicated I/O instructions.
Memphis Belle (aircraft)
The Memphis Belle is a Boeing B-17F Flying Fortress bomber that completed 25 missions over occupied Europe in 1943, the first US heavy bomber to return home.
Memphis Belle (film)
Memphis Belle (1990), British-American war drama directed by Michael Caton-Jones, written by Monte Merrick, fictionalizing the 25th mission of the B-17 Memphis Belle and William Wyler's 1944 documentary; 107 minutes, PG-13, 68% on Rotten Tomatoes.
Memphis International Airport
Memphis International Airport (MEM), also designated Frederick W. Smith International Airport, serves Memphis, Tennessee, and is the primary overnight sorting hub of FedEx, ranking among the world's busiest cargo airports.
Memphis Pyramid
The Memphis Pyramid, also known as the Pyramid Arena, is a 321-foot stainless steel pyramid in downtown Memphis, Tennessee, reopened in 2015 as a Bass Pro Shops megastore.
Memrise
Memrise is a language learning platform founded in London in 2010 by Ed Cooke, Ben Whately, and Greg Detre, teaching vocabulary through spaced repetition and native-speaker videos.
Memristive crossbar arrays
Memristive crossbar arrays are two-terminal memory architectures with a memristor at every crossing of row and column wires, used for nonvolatile memory, logic, and neuromorphic computing.
Memristor
A memristor, or memory resistor, is a passive circuit element whose resistance remembers the history of charge passed through it, proposed by Leon Chua in 1971.
MEMS
MEMS (micro-electro-mechanical systems) are micrometer-sized mechanical devices, such as accelerometers, gyroscopes, and microphones, made with integrated-circuit fabrication techniques and widely used in smartphones, automobiles, and digital projectors.
MEMS accelerometer
A MEMS accelerometer is a microelectromechanical sensor that measures acceleration with a suspended microscopic proof mass, first built in 1979 and used in airbags, phones, and inertial navigation.
MEMS energy harvester
A MEMS energy harvester is a microelectromechanical device that converts ambient mechanical vibration into microwatt-to-milliwatt electrical power, intended to replace batteries in wireless sensor nodes and implantable biomedical devices.
MEMS flow sensor
A MEMS flow sensor is a flow-measuring device built on a silicon chip using microelectromechanical systems, dominated by thermal sensing and shipping over 25 million dies yearly.
MEMS gas sensor
A MEMS gas sensor is a chemical gas sensor whose sensing layer sits on a micromachined microhotplate, usually metal oxide, dominating miniaturized gas sensing for IoT applications.
MEMS gyroscope
A MEMS gyroscope is a microscopic silicon angular-rate sensor that detects rotation via the Coriolis effect in a vibrating structure, first described in 1988 and used in camera stabilization, aerospace, and wearables.
MEMS inertial measurement unit
A MEMS inertial measurement unit (MEMS IMU) is a silicon chip package of gyroscopes and accelerometers that measures rotation and acceleration for navigation, stabilization, and motion sensing in smartphones and wearables.
MEMS microgripper
A MEMS microgripper is a microelectromechanical end effector, fabricated by semiconductor micromachining, whose jaws grasp, transport, and release objects from about 10 to 100 μm, including biological cells.
MEMS microphone
A MEMS microphone is a miniature acoustic sensor built with micro-electro-mechanical systems fabrication, in which a micromachined diaphragm converts sound pressure into an electrical signal.
MEMS microrelay
A MEMS microrelay is a micromechanical switch made with microelectromechanical systems techniques that opens or closes metal contacts, performing a conventional relay's function at chip scale with low power.
MEMS microvalve
A MEMS microvalve is a miniature valve fabricated with microelectromechanical systems techniques on silicon or polymers, controlling flow in microfluidic systems used in biomedicine and chemistry.
MEMS optical switch
A MEMS optical switch is a device that redirects light between input and output fibers using microscopic tilting silicon mirrors, without converting the signal to electricity, switching on millisecond timescales.
MEMS oscillator
A MEMS oscillator is a timing device that generates a clock signal from a micromachined silicon resonator, an alternative to quartz crystal oscillators, shipping commercially since 2006.
MEMS pressure sensor
A MEMS pressure sensor is a microelectromechanical device that measures pressure through the deflection of a thin silicon diaphragm, using piezoresistive, capacitive, or resonant transduction.
MEMS resonator
A MEMS resonator is a microelectromechanical vibrating element, typically micromachined from silicon, that forms a batch-fabricated timing device rivalling quartz oscillators in size, cost, and CMOS compatibility.
MEMS variable capacitor
A MEMS variable capacitor, also called a MEMS varactor, is a microelectromechanical device whose capacitance is tuned mechanically by electrostatic actuation, offering higher quality factor and lower dc power than semiconductor varactor diodes.
MEMS variable optical attenuator
A MEMS variable optical attenuator is a fiber-optic component that uses a micromirror, shutter, or diffraction grating to continuously control optical power in wavelength-division-multiplexed networks.
MemTest86
MemTest86 is a stand-alone memory testing program for x86 and ARM computers that boots from USB, CD, or network to test RAM for faults without an operating system.
Memtransistor
A memtransistor is an electronic device combining the memory of a memristor with transistor gate control, realized in 2018 at Northwestern University using molybdenum disulfide.
Menachem Elimelech
Menachem Elimelech is an environmental engineer known for pioneering membrane technologies for seawater desalination and wastewater reuse; he was Yale's first engineering Sterling Professor before joining Rice University in 2025.
Menai Suspension Bridge
The Menai Suspension Bridge (Pont Grog y Borth) is an iron suspension bridge over the Menai Strait in north Wales, designed by Thomas Telford and opened in 1826.