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Topics: M

Topics from Topodia starting with "M"
Macroeconomics
journal , federal reserve bank , international economics , university , monetary policy
This category contains web resources related to macroeconomics.
Magazines and E-zines
architecture , architects , project , museum , materials
Regularly issued publications with a focus on architecture containing articles and illustrations.
Magic Square
magic squares , magic square , squares , diagonals , magic constant

A Magic Square of order n is an arrangement of the numbers from 1 to n^2 (n-squared) in an n by n matrix. The sum of any row, any column, or any main diagonal must be the same. The smallest non-trivial case is of order 3.

The same idea can be extended to other shapes such as stars, cubes, circles, and so on. These are called Magic objects.

Magnesium
magnesium , abundant element , precipitate , separation , magnesia
Magnetic Levitation
maglev , shanghai , china , magnetic levitation , external link
Malacology
vita marina , molluscs , dutch malacological society , malacology , spirula
Malicious Software
exhibit , virus code , museum , code , nori
Mammalogy
mammals , species , ungulates , females , macropods
Mammals are warm-blooded vertebrates which suckle their young and which have a covering of hair.
Mammalogy is the scientific study of mammals.
Manganese
manganese , manganese dioxide , manganese compounds , oxidation state , potassium permanganate
Manufacturing
heartwood logon tabletm , computer desks , tassel tables , computer tables , conference tables
Sites in this category are for companies that manufacture furniture pieces, systems or units that cross multiple industry lines. For instance, a company that manufactures for two or more of the restaurant, hotel, dorm room, laboratory, technical or hospital industries is likely to be sent to this category.
Maps
congress , category , loans , version beta , physical features
This category is for general world maps that are available for viewing online. Maps for sale can be found at Shopping: Publications: Maps.
Maps and Views
american samoa , research tools library catalog databases , newspapers government information research , maps american samoa maps american samoa , faq world americas australia
This category contains maps and views of American Samoa.
Maps and Views
afghanistan , original scale , topographic map , map key , taliban
Includes links to maps, photo collections and any other visual representation of the country.
Marine Mammals
marine mammals , mental experiences , species , females , cetaceans
Marketplaces
firesist huv , fabrics , marine fabric , upholstery fabrics , online fabric store
This category lists internet trading sites for textile fabrics only.
Mars
mars , planet , nasa , atmosphere , red planet
Mars is the 4th planet out from the sun. Sites in this category deal with this planet, and its moons.
Massachusetts
esq , clients , attorney kallen , other attorneys , general information
Appellate lawyers with offices in Massachusetts.
Materials
materials , jmatpro , material connexion , stainless steels , general steels
Material science is concerned with understanding the properties of materials and how to create new ones.
Materials
validation , product , verification , medical device validation process , welding system meets
Materials and Supplies
boral , boral plasterboard , bcsc x-lime , boral everform , spa outdoor living expo
This category contains links to sites related to materials and supplies used in the construction and maintenance industry. Please submit sites related to materials and supplies of construction and maintenance including, but not limited to:
  • Wholesale and Distribution
  • Manufacturing
  • Marketplaces
  • Education and Training
  • Associations
  • Conferences, Trade Shows, and Expos
ATTENTION: Local retailers and showrooms should be submitted to the appropriate Business and Economy category for their local/area market. ATTENTION: Local installers and contractors should be submitted to the appropriate Business and Economy category for their local/area market.
Materials and Supplies
south africa , products , wide range , hh robertson , application
Math
mathematics , same birthday , carnival , novel , maths

Math or mathematics is the study of numbers and variables representing numbers to solve everyday problems, learn about the world around us or to be an exercise in logical reasoning.

Some applications of math are in the areas of finance, physics, sociology, computer programming, fractal music and geometric art.

Matroids
matroids , coxeter matroids , borovik , cambridge university press , academic press
Matroids, independence structures, geometric lattices. MSC class 05B35.
Mechanical
avionics health management , selective catalytic reduction , comprehensive drivetrain phm , ammonium hydroxide , anomaly detection system
Mechanical Engineering
new mechanical engineering tv show service , structural mechanics books , new date , science , principles
The branch of engineering concerned with the design, manufacture, installation, and operation of engines, machines, and manufacturing processes. It involves the application of dynamics, control, thermodynamics and heat transfer, fluid mechanics, strength of materials, material science, tribology, mathematics, and computation.
Medical and Legal
legal interpreting , legal translation services , state-of-the-art call center , worldwide interpreters , cross-cultural depositions
For sites about companies offering translation services primarily in the medical and legal fields, which require specialised knowledge and vocabulary.
Medical Savings Accounts
hsa , medical expenses , trusource , free access , hsas
Category is for web sites of insurance agents and marketers offering individual or group health insurance that is qualified under IRS Regs for health savings accounts. A health savings account (HSA) is a combination of a high deductible health insurance policy and a tax-sheltered savings account that is used to pay qualified health expenses. A qualified health insurance policy is a prerequisite to opening and maintaining a health savings account at a financial institution.
Medicine
university , new york , electricity , microscope , doctor
Meetings
participants , israel , stem cells , development , biotechnology
Meetings
alan kimmel , bill loomis , professor alpha yap , local meetings sprang , la jolla
 
Meitnerium
meitnerium , lise meitner , periodic table , nuclei , heavy ion research laboratory
Men's Studies
gender , masculinity , hegemonic masculinity , new york , university
Both academic and other sites which provide findings, research, and studies of men and the issues affecting men. Includes treatments of men and masculinity in history, theater and film, literature and cultural studies.
Mendelevium
mendelevium , periodic table , bombarding einsteinium , half-life , chemical properties
Mercury
mercury , planet , solar system , worth hill observatory , spacecraft
Mercury is the closest planet from the Sun.
Mercury
mercury , element , uranium , mercury compounds , environment
Mercury, also known as "Quick Silver," is the 80th element on the Periodic Table. It is a transition metal, and is the only metal that is in liquid form at room temperature. Although it has many practical purposes, it is very toxic and must be used with extreme caution.
Metal Building Systems
metal buildings , steel buildings , steelmaster building , steel building , future steel buildings
Metallurgy
spring meeting , corrosion , multi-wavelength pyrometer , aluminum industry , refractory metals
This category is for sites dealing with the science and technology of metals. Suppliers of products or services should submit their sites to an appropriate category in our Business section. Specific links to which can usually be found as an @linked sub category of this main category, or in the list of related categories.
Metals
metallic foam , nickel foam , stainless steel , materials , products
Metalworking
cuddon ltd , stainless steel , customers , acme engineering tasmania , rotary goat parlours
Metamorphic Petrology
metamorphic rocks , university , thin section , minerals , hard rock researchers
Any sites related to Metamorphic rocks and their study, rather than individual minerals unless discussed in an entirly metamorphic setting. Metamorphic Rocks include: Slate, Gnieiss, Schist, Phyllite, Migmatite, Granulite, Marble, Quartzite.
Meteorites
meteorites , lunar meteorites , meteorite , specimens , lunar meteorite
A Meteorite is a fragment of rock (often with a very high metallic content) that has its origins in outer space.
Meteorology
mont , california , nicollet , united states , citizen weather observer program
Meteorology is the branch of science which studies weather. It is often an inexact science, especially when forecasting is involved, so that predictions often are stated as a percentage of probability. Listings here should concern the scientific practice of meteorology, information about weather events of historical interest, meteology as a hobby, and some instruments and products which either facilitate scientific meteorology or come from that background. Listings related to finding or reporting weather news should go to News: Weather.
Meteors
meteors , atmosphere , meteor , solar system , meteor shower
A meteor is an event, not just an object. It happens when small pebble (a meteoroid) enters our atmosphere and burns up. Any pieces that reach the ground are called meteorites. Meteoroids are distinguished from asteroids by being too small to cause much damage at ground level, if they were to hit the Earth.
Methods and Techniques
geary paul , paul geary paul , karyotyping , write review , harvard university
Methods and Techniques
protein , proteins , molecular weight , chemistry , enzyme
Metrology
calibration , science , metrology , metrologymetro.com , temperature scale

Metrology is the scientific study of measurement.

Legal metrology is the part of metrology where regulations are implemented in order to ensure an appropriate level of credibility in measurement results, whenever conflicting interests exist, or when incorrect measurement results may adversely affect individuals or society itself.

(Not to be confused with meteorology
the study of the processes and phenomena of the atmosphere, especially as a means of forecasting the weather.)
Mexico
spiritual needs , resolution , netscape , explorer , site
Practitioners and clinics specializing in energy healing in Mexico.
Michigan
appeals , michigan supreme court , trial court , issues , habeas corpus
Microbiology
microbiology , bacteria , university , internet , infectious diseases
Microbiology is the study of microbes, including: bacteria, viruses, prions, fungi, and parasites.
Microeconomics
utility function , utility , dollars , welfare economics , net worth
Microeconomics: The study of the behaviour of small economic units, such as individual consumers, households or companies. It focuses on the determination of the prices that induce these agents to act, including wages for labour and return rates of investment funds. These concerns cover issues of demand and supply, welfare and distribution.
Middle East
fine architects , public buildings , projects , graduate , israel
Registered ("licensed") architects and architectural firms currently practicing who are based in the Middle East and offer services in multiple areas of architecture, interior design, planning and construction.
Minerals
minerals , fluorescent minerals , minrls mineral program , mineral software , faroe islands
Web sites about minerals and mineralogy.
Mining and Drilling
anglo american , petrosea , lfm moisture analyser , michiquillay copper project , sustainable development performance

The Mining and Drilling sector comprises industries and companies involved in extracting naturally occurring mineral solids, such as coal and ores; liquid minerals, such as crude petroleum; and gases, such as natural gas. quarrying, well operations, beneficiating (e.g., crushing, screening, washing, and flotation), and other preparation customarily performed at the mine site, or as a part of mining activity.

Industries and companies involved in Oil and Gas extraction are listed under Business/Energy_and_Environment/Oil_and_Gas/

(Source: This category description is based on the North American Industry Classification System (NAICS), 1997).

Model Organisms
model organisms , project , university , c. elegans , model organism
MSDS
msds , pdf format , html format , ansi-compliant sheets , revision
An "MSDS" is a Material Safety Data Sheet, a document which summarizes the purpose, hazards, and other information about a substance or material. Different government jurisdictions and industries have differing MSDS requirements. In the interests of public and worker safety, however, their MSDS libraries are frequently shared. This category contains sites that link directly to MSDS information, or which provide directories, search engines, or other gateways related to chemical safety or MSDS information.
Multi-Discipline
hong kong , commercial architects , cape coral city hall , carson city public safety , commercial architecture

This category is for firms designing multiple building types without a specific specialty, or that offer multiple services. Multiple services include graphic design, architecture, web design, engineering, etc. Theoretical firms are welcome and encouraged, but they must display some form of practical application, even if it is only a discussion.

Multi-Discipline
interior design , project management services , adrianse group , san francisco bay area , functional design solutions

This category is for interior designers (professionals with academic education in this field) who work in both the residential and commercial specialties.

Music
african music , west africa , africa , culture , mopti
Sites about music in Africa.
Mycology
fungi , new zealand , photos , california , species
Mycology = the study of Fungi The total kingdom of Fungi - from single cell yeasts through to large ''mushrooms''. Cultivation, finding, photographs, commercial growing, etc - the lot!