Practical applications of alchemy produced a wide range of contributions to medicine and the physical sciences.

Practical applications are made impossible due to the no-cloning theorem, and the fact that quantum field theories preserve causality, so that quantum correlations cannot be used to transfer information.

Practical applications and advances in such fields created an increasing need for standardized units of measure ; it led to the international standardization of the units ohm, volt, ampere, coulomb, and watt.

Practical applications of optics are found in a variety of technologies and everyday objects, including mirrors, lenses, telescopes, microscopes, lasers, and fibre optics.

Practical applications exist only for chemical compounds of promethium-147, which are used in luminous paint, atomic batteries and thickness measurement devices, even though promethium-145 is the most stable promethium isotope.

Practical resistors are also specified as having a maximum power rating which must exceed the anticipated power dissipation of that resistor in a particular circuit: this is mainly of concern in power electronics applications.

Practical resistors have a series inductance and a small parallel capacitance ; these specifications can be important in high-frequency applications.

Practical applications of geomorphology include hazard assessment ( such as landslide prediction and mitigation ), river control and stream restoration, and coastal protection.

Practical applications of wireless radio communication and radio remote control technology were implemented by later inventors, such as Nikola Tesla.

Practical applications of Richardson extrapolation include Romberg integration, which applies Richardson extrapolation to the trapezium rule, and the Bulirsch – Stoer algorithm for solving ordinary differential equations.

Practical applications can also be found in signal processing of accelerations for gait analysis, in digital communications and many others.

Practical applications for MLS include measuring impulse responses ( e. g., of room reverberation ).

Practical applications of femtotechnology are currently considered to be unlikely.

* Practical Arts: keyboarding, computer technology, computer applications, accounting, notetaking, supervised work experience, horticulture, floriculture, agricultural science, energy, woodworking, drafting, catering, child development

What distinguishes DRIE from RIE is etch depth: Practical etch depths for RIE ( as used in IC manufacturing ) would be limited to around 10 µm at a rate up to 1 µm / min, while DRIE can etch features much greater, up to 600 µm or more with rates up to 20 µm / min or more in some applications.

* ( Practical guidance on designing and building NACA ducts for motor-racing applications )

* Practical applications of some of Dr Sichel's work

A. Richards & Christine Gibson, Learning Basic English: A Practical Handbook for English-Speaking People, New York: W. W. Norton & Co. ( 1945 )

* D. Young Computational Chemistry: A Practical Guide for Applying Techniques to Real World Problems, John Wiley & Sons ( 2001 ).

Practical devices generally use simpler chords for common characters ( e. g., Baudot ), or may have ways to make it easier to remember the chords ( e. g., Microwriter ), but the same principles apply.

Subsequently he published the influential and oft-reprinted Practical Phonetics for Students of African Languages in collaboration with Ida C. Ward ( 1933 ).

* Westermann, Diedrich Hermann & Ward, Ida C. ( 1933 ) Practical phonetics for students of African languages.

Practical phonetics for students of African languages ( 4th improvement ).

* Steven W. Smith: Digital Signal Processing-A Practical Guide for Engineers and Scientists, Newnes, ISBN 0-7506-7444-X, ISBN 0-9660176-3-3

* Artur Krukowski, Izzet Kale: DSP System Design: Complexity Reduced Iir Filter Implementation for Practical Applications, Kluwer Academic Publishers, ISBN 1-4020-7558-8

It is outlined in his book A Practical Guide for Policy Analysis: The Eightfold Path to More Effective Problem Solving, which is now in its fourth edition.

* WorldCat Library Catalog: A Practical Guide for Policy Analysis

* 1943: Phonetics, a Critical Analysis of Phonetic Theory and a Technique for the Practical Description of Sounds ( Ann Arbor: University of Michigan Press )

Wilson's final plans for the League were strongly influenced by South African Prime Minister Jan Smuts, who in 1918 had published a treatise entitled The League of Nations: A Practical Suggestion.

dissertation " Practical Translators for LR ( k ) languages " in order to address the practical difficulties of that time of implementing Canonical LR parsers.

* Sam's Laser FAQ A Practical Guide to Lasers for Experimenters and Hobbyists

In his essay, Overcoming Practical Difficulties in Creating a World Parliamentary Assembly, Joseph E. Schwartzberg proposes the use of proportional representation in the United Nations Parliamentary Assembly in order to prevent, for instance, lower castes of Indians from being excluded.

As for the Hobbesians, Singer attempts a response in the final chapter of Practical Ethics, arguing that self-interested reasons support adoption of the moral point of view, such as ' the paradox of hedonism ', which counsels that happiness is best found by not looking for it, and the need most people feel to relate to something larger than their own concerns.

Practical Ethics includes a chapter arguing for the redistribution of wealth to ameliorate absolute poverty ( Chapter 8, " Rich and Poor "), and another making a case for resettlement of refugees on a large scale in industrialised countries ( Chapter 9, " Insiders and Outsiders ").

A course in ethics led by Dr Hartmut Kliemt at the University of Duisburg where the main text used was Singer's Practical Ethics was, according to Singer, " subjected to organized and repeated disruption by protesters objecting to the use of the book on the grounds that in one of its ten chapters it advocates active euthanasia for severely disabled newborn infants ".

* Practical reserve capacity, a value of the spare capacity for traffic at a traffic signal junction

In 1998, Nicks contributed to the Practical Magic soundtrack and performed in Don Henley's benefit concert for the Walden Woods Project.

* In 2007 Practical Action in Peru won an Ashden Award for its work using micro hydro schemes to bring electricity to remote villages.

* In 2004 Practical Action ( then ITDG ) in Kenya won an Ashden Award for its work using pico hydro schemes to bring electricity to remote communities on Mount Kenya.

Practical realities faced by the Swedish, however, resulted in their cavalry being uniquely different.

Practical household refrigerators were introduced in 1915 and gained wider acceptance in the United States in the 1930s as prices fell and non-toxic, non-flammable synthetic refrigerants such as Freon-12 ® ( R-12 ) were introduced, however R-12 damaged the ozone layer, causing governments to issue a ban on its use in new refrigerators and air-conditioning systems in 1994.

In 1890, however, a recipe was published in Practical Sanitary and Economic Cooking Adapted to Persons of Moderate and Small Means with the word " Brown " capitalized, making " Brown Betty " the proper name.

Its roots however go back to the Institute of Practical Technology, founded in 1960 to provide technician education.

Practical anti-reflection coatings, however, rely on an intermediate layer not only for its direct reduction of reflection coefficient, but also use the interference effect of a thin layer.

He is best known, however, for his creation and stewardship of the Practical series of magazines for George Newnes.

Kaposi ’ s main work, however, was Pathologie und Therapie der Hautkrankheiten in Vorlesungen für praktische Ärzte und Studierende ( Pathology and Therapy of the Skin Diseases in Lectures for Practical Physicians and Students ), published in 1880, which became one of the most significant books in the history of dermatology, being translated to several languages.