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Harvard sentences. The Harvard sentences, or Harvard lines, [ 1] is a collection of 720 sample phrases, divided into lists of 10, used for standardized testing of Voice over IP, cellular, and other telephone systems. They are phonetically balanced sentences that use specific phonemes at the same frequency they appear in English.
Magnetic resonance imaging ( MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields, magnetic field gradients, and radio waves to generate images of the organs in the body. MRI does not involve X-rays or the use of ionizing ...
The calculation of radiocarbon dates determines the age of an object containing organic material by using the properties of radiocarbon (also known as carbon-14 ), a radioactive isotope of carbon. Radiocarbon dating methods produce data based on the ratios of different carbon isotopes in a sample that must then be further manipulated in order ...
Announcer's tests originated in the early days of radio broadcasting, around 1920. The tests involved the pronunciation of difficult words, as well as retention, memory, repetition, enunciation, diction, and using every letter in the alphabet a variety of times. [ 1] An excerpt of one early test, forwarded from Phillips Carlin, who was known ...
A "Hello, World!" program is generally a simple computer program which emits (or displays) to the screen (often the console) a message similar to "Hello, World!" while ignoring any user input. A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax.
The Baby Snooks Show was an American radio program starring comedian and Ziegfeld Follies alumna Fanny Brice as a mischievous young girl who was 40 years younger than the actress who played her when she first went on the air. The series began on CBS September 17, 1944, airing on Sunday evenings at 6:30 pm as Post Toasties Time (for sponsor ...
Radiometric dating. Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to ...
Radio networks. A Radio Network is a complex system designed for the transmission of data, information, or signals via radio waves. These networks are an integral part of modern telecommunications, enabling communication between various devices and services over varying distances. Radio networks have evolved significantly since their inception ...