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Tonic sol-fa by

The Darkest Hour (film) by

"The Darkest Hour" is a 2011 science fiction thriller film directed by Chris Gorak. The movie is set in Moscow, where a group of young American tourists find themselves stranded in the city after a mysterious alien invasion. These extraterrestrial beings are invisible and can kill humans with a touch, creating a tense and suspenseful atmosphere throughout the film.

Rajesh Maingi by

As of my last knowledge update in October 2021, there isn't any widely recognized figure or topic specifically known as "Rajesh Maingi." He may be a private individual, or his relevance could have emerged after that date. If you have additional context or details about who he is or the area you are referring to (e.g.

André plane by

The André plane, also known as the André–Tamagawa plane, is a concept in algebraic geometry that arises in the context of p-adic geometry and the study of rational points on algebraic varieties. It was introduced by the mathematician Yves André as part of his work on the geometry of numbers and the theory of motives.

Darcy number by

The Darcy number (\(Da\)) is a dimensionless number used in the study of fluid flow through porous media. It quantifies the ratio of the permeability of the porous medium to the square of the characteristic length scale, which is often related to the size of the pores.

Eckert number by

The Eckert number (Ec) is a dimensionless quantity used in fluid mechanics and heat transfer to characterize the relative importance of thermal energy storage to the convective heat transfer in a flowing fluid. It is defined as the ratio of kinetic energy to thermal energy associated with the temperature changes in the fluid.

Paul Mahlo by

As of my last knowledge update in October 2023, "Paul Mahlo" does not appear to refer to any widely recognized concept, individual, or term. It's possible that it could be a misspelling or a relatively obscure reference. If you meant something specific or if it pertains to a recent event, trend, or figure that emerged after October 2023, I would not have that information.

Telephone directory publishing companies by

Telephone directory publishing companies are businesses that produce and distribute telephone directories, which are reference books or online platforms containing a list of telephone subscribers and their contact information, such as names, addresses, and phone numbers. Traditionally, these directories were published in printed format and distributed to households and businesses, but with the rise of digital technology, many directories are now available online.

Dial-a-joke by

Dial-a-Joke is a service that allows individuals to call a specific telephone number to hear a recorded joke. These services became popular in the 1970s and 1980s, and they provided users with a quick and easy way to enjoy a laugh, often featuring a selection of different jokes or a new joke each day. Some Dial-a-Joke services were operated by individuals, while others were structured as businesses.

E.161 by

E.161 is a standard developed by the International Telecommunication Union (ITU) that specifies a numbering scheme for telephone keypads. It defines how to represent alphanumeric characters on the 12-key telephone keypad layout commonly found on mobile phones and other telecommunication devices. In the E.161 scheme, each number key is associated with a set of letters, enabling users to input text through the numeric keypad.

National conventions for writing telephone numbers by

The conventions for writing telephone numbers can vary by country, but there are some common formats that are widely recognized. Here are some general guidelines for writing telephone numbers: ### 1. **Country Codes**: - When writing international telephone numbers, include the country code, prefixed by a plus sign (+) or double zero (00). - Example: +1 for the United States, +44 for the United Kingdom. ### 2.

North American Numbering Council by

The North American Numbering Council (NANC) is a federal advisory committee in the United States that provides recommendations to the Federal Communications Commission (FCC) regarding the management of telephone numbering, including the North American numbering plan (NANP). Established in 1995, the NANC's primary role is to ensure the efficient use of telephone numbers, promote competition, and facilitate the implementation of numbering-related policies.

Telephone keypad by

A telephone keypad is an input device typically found on telephones and various communication devices, used for dialing phone numbers and accessing functions within the phone system. The keypad is usually arranged in a grid format and consists of buttons or keys that are labeled with numbers and, in some cases, letters and special characters. The standard layout for a telephone keypad includes: - **Number keys (0-9):** These keys are used for dialing numbers.

Telephone numbers in Oceania by

Telephone numbers in Oceania vary by country and region, but they typically follow a specific format. Here are some general details: 1. **Country Codes**: Each country in Oceania has its own telephone country code. For instance: - Australia: +61 - New Zealand: +64 - Papua New Guinea: +675 - Fiji: +679 - Samoa: +685 - Tonga: +676 2.

Three men's morris by

Three Men's Morris is a traditional strategy board game for two players. It's a simple variation of the more complex game of Nine Men's Morris. The objective of the game is to form a line of three pieces (or "men") of one's own color either horizontally or vertically on a 3x3 grid. ### Rules of Three Men's Morris: 1. **Setup:** - The game is played on a 3x3 grid.

Ornstein isomorphism theorem by

The Ornstein isomorphism theorem is a result in the theory of dynamical systems, particularly in the context of ergodic theory. Named after the mathematician Donald Ornstein, it deals with the classification of measure-preserving transformations. The theorem states that any two ergodic measure-preserving systems that have the same entropy are isomorphic.

Artin L-function by

The Artin L-function is a generalization of the classical Riemann zeta function and is an important object in number theory and arithmetic geometry, particularly in the context of class field theory and algebraic number theory. It is associated with a representations of a Galois group, collections of characters, and the study of L-functions in the context of number fields. ### Definition 1.

Intensive and extensive properties by

Intensive and extensive properties are classifications of physical properties of matter that help in understanding the behavior and characteristics of different substances. Here's a brief overview of each: ### Intensive Properties Intensive properties are those that do not depend on the amount of substance present. These properties are intrinsic to the material and are characteristic of the substance itself. Some common examples include: - **Temperature**: The temperature of a substance does not change regardless of the size of the sample.

Gan–Gross–Prasad conjecture by

The Gan–Gross–Prasad conjecture is a conjecture in the realm of number theory and representation theory, specifically concerning the theory of automorphic forms and nilpotent orbits. Formulated by W. T. Gan, B. Gross, and D. Prasad in the early 2000s, the conjecture relates to the behavior of certain L-functions associated with automorphic representations of groups and has implications for the study of the branching laws of representations.