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Modelización: De La Justificación Matemática De Sencillos Juegos Mecánicos a Las Aplicaciones Industriales1
Rev.R.Acad.Cienc.Exact.Fís.Nat. (Esp) Vol. 108, Nº. 1-2, pp 113-126, 2015 XVII Programa de Promoción de la Cultura Científica y Tecnológica Modelización: de la justificación matemática de sencillos juegos mecánicos a las aplicaciones industriales1 J. I. DÍAZ DÍAZ2 Instituto de Matemática Interdisciplinar y Departamento de Matemática Aplicada. Facultad de Matemáticas. Universidad Complutense de Madrid Real Academia de Ciencias 1. INTRODUCCIÓN ta grandes dosis creativas y ha marcado importantes avances de la ciencia. Es el arte de hallar el lenguaje La primera etapa a la hora de abordar matemáti- matemático subyacente en el universo que nos preco- camente un problema «real» trata de su modelización. nizaba Galileo. El modelo matemático se introduce Un modelo no es más que un conjunto de relaciones como «prototipo», bajo unas simplificaciones nece- utilizado para representar y estudiar de forma sencilla y sarias. Según la naturaleza de las simplificaciones comprensible un objeto o fenómeno de la realidad. La supuestas se puede obtener una familia de modelos experiencia muestra que obtener un modelo «correcto» susceptibles de ser ordenados jerárquicamente según no es siempre una tarea fácil y de hecho puede equi- su distinta complejidad. valer a haber resuelto ya gran parte del problema. Su carácter constructivo involucra inevitablemente otras componentes ligadas a la experiencia, intuición y sen- tido estético. Éstas son quizás las razones por la que numerosos autores se refieren a ese proceso cómo «el arte de modelizar». No confundir con el «modelado» típico del proceso artístico3. La modelización debe completarse con el proceso de la experimentación. La aparición de los ordena- dores cambió drásticamente el panorama. -
Childlike Absorption
features Toying with physics [DOI: 10.1051/EPN:2007010 ] Hassan Aref 1, Stefan Hutzler 2 and Denis Weaire 2, 1 Department of Physics, Technical University of Denmark • 2800 Kgs. Lyngby • Denmark (Permanent address: Department of Engineering Science and Mechanics, Virginia Tech, Blacksburg • VA 24061 • USA) 2 School of Physics, Trinity College Dublin • Dublin 2 • Ireland n the early 19 th century the popularisation of science became One of the present au - Ia vogue, expressed in books that often took the form of “con - thors essayed a lecture [6] versations on natural philosophy”. They may have echoed the on such teasing trivialities discourse of the classical dialogue of debate but this was more at the “International Con - the conversation of the drawing-room, albeit in the stilted parl - ference on Theoretical ance of the time. and Applied Mechanics” in The top, my boy is a subject which the great Mantuan bard Warsaw (2004). An eager did not consider beneath the patronage of his muse. (anon., audience overflowed the quoted in [1]) capacity of the lecture the - Such lessons were aimed at future scientists (“boys”), the atre. At the preceding con - workers (“operatives”) and even the gentler sex (“little house - gress in Chicago (2000), as wives”). Of three particularly influential texts [1,2,3], two were part of a Science Teachers by women [2,3], one of whom preferred to remain anonymous Day, Professor Raymond for some time. The third, written by the early cancer researcher C. Turner of Clemson Uni - John Ayrton Paris, was splendidly entitled“Philosophy in Sport versity told an appreciative made Science in Action, being an Attempt to implant in the crowd of local physics and Young Mind the first Principles of Natural Philosophy by the science teachers about aid of Popular Toys and Sports of Youth”. -
Books and Comics Issue
CHICAGO’SFREEWEEKLYSINCE | MAY | MAY CHICAGO’SFREEWEEKLYSINCE Books and Comics Issue A brief history of ramen 10 | Four Slices of CAKE Mark Peters 12 | The city’s changing literary landscape Max Grinnell 18 | gentrification gets graphic Tyra Nicole Triche 16 | Self-publishing saved my life Mike Centeno 14 | Chicago’s summer reading 17 THIS WEEK CHICAGOREADER | MAY | VOLUME NUMBER IN THIS ISSUE T R - 22 PlaysofnoteForServices @ Renderedexploresthetrauma ofWorldWarIJackalopeonce againturnsstrawintogoldinLife PTB onPaperandmostofHenryVIII’s IEC SKKH wivesarebackaspopdivasinSix DEKS C LSK D P JR CEAL 31 ShowsofnoteDamonLocks M EP M BOOKS&COMICS BlackMonumentEnsembleWu A EJL 10 FoodAnexcerptfromthecomic TangClanJuiceWrldandmore SWDI CITYLIFE BJ MS 04 PublicService cookbookLet’sMakeRamen! thisweek SWMD L G AnnouncementReadingoutof 12 FestivalHerearesomeofthe 36 EarlyWarningsCherubs EA SN L thefreebookbox peopleyou’llmeetatCAKEthe LadytronMatingRitualandmore G D D C S MEBW 04 FeralCitizenBeecolumnsee annualalternativecomicsexpo justannouncedconcerts M L C whatallthebuzzisabout 14 ComicHowselfpublishingsaved 36 GossipWolfHomeroom’s S C -J oneillustrator’slife PhysicsforListenersseries FL CPF TA ECS 16 GraphicAnAfrofuturisticgraphic FILM connectslocaltrioZRLwithfour CN B novelcaptureshowwhiteprivilege 23 ReviewTransitfollowsrefugees disparatecomposersthePlastic D C LCI feedsonBlackneighborhoods inMarseillehopingforabetterlife CrimewaveOnoBandreleasesits G AG KT HR H JH 17 NosinessWeaskedyouwhose Butisitor? fourthtapeonlysplitandmore -
Good Smart Fun
1 2.0 Good Smart Fun 2008 2 3 MONSTER BALLOON ITEM: ( cc-MONST ) MINIMUM: 12 BALLOON JET CAR UPC: 655400001074 ITEM: ( CC-JET ) MINIMUM: 12 Gargantuan! Huge! Mammoth! This biodegradable UPC: 655400001067 latex balloon is at least 3 feet, maybe bigger when Air-powered jet car. Demonstrates the surprising inflated. Use for delightful play or to think about physical phenomenon of jet propulsion. Inflate the atmosphere, air molecules, and other fun stuff. balloon and release—the air from the balloon powers Phenomenally large. the car with zero emissions. NEW | MADE IN THE USA NEW BULK ( B-MONST) - MINIMUM: 10 AVAILABLE IN BULK ( B-JET ) - MINIMUM: 24 OWL PELLET ITEM: ( cc-OWL ) MINIMUM: 12 INTRODUCING UPC: 65540000110 An exclusive line of scientific and educational baubles VORTEX DEVICE Phenomenally gross! But great hands-on science. ITEM: ( cc-VORT ) MINIMUM: 12 Dissect this sanitary owl pellet which contains the and curios. Packed in a distinctive translucent 4x6” UPC: 655400001050 skeletal remains of an owl meal. Learn about the pouch with eye catching graphics. Each of these Create and control a phenomenal vortex. Connect owl’s habitat, place in the food chain, and predatory genuine phenomena will fly off your shelves. two bottles with the device and see this force of skills. Use some archaeological skills to piece nature in action. Instructions included. together the skeletons using the bone chart. NEW NEW | MADE IN THE USA | SHIPPING IN MAY AVAILABLE IN BULK (B-TOR) - MINIMUM: 20 AVAILABLE IN BULK (B-OWL) - MINIMUM: 12 4 5 TV ROCK GROWING CRYSTALS ITEM: ( cc-TV ) MINIMUM: 12 UPC: 655400001081 SOLAR ENGINE WHOLE GEODE ITEM: ( cc-CRYST ) MINIMUM:12 ITEM: ( cc-SOLP ) MINIMUM: 12 ITEM: ( cc-GEO ) MINIMUM: 12 UPC: 655400001036 Tune in to the phenomenon of ulexite. -
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CHICAGO’SFREEWEEKLYSINCE | JULY | JULY CHICAGO’SFREEWEEKLYSINCE The most colo ul pa ies in the city are Noire Nick Alder and Rae Chardonnay Taylor of Party Noire get to fun by going through respect, safety, community, and empowerment. By MH26 Museum of Streetwear Matt Harvey 18 LGBT asylum seekers Justin Arelo 10 Pitchfork’s Perfect Consumer J.R. Nelson 30 THIS WEEK CHICAGOREADER | JULY | VOLUME NUMBER IN THIS ISSUE T R - CITYLIFE thestagefortheChicagoMagic ofMakoSicabassistBrent @ 03 StreetViewHowtobecooland Lounge Fuscaldoguitaristandsound “havesomethingwhereyoucanput 21 PlaysofnoteGhostQuartet experimenterMarkShippyandthe yourphone”atPitchfork takesfourfriendsonashape Reader’sJamieLudwig PTB 04 SightseeingLettershomefrom shi ingjourneythroughtimeand 34 ShowsofnoteDavila ECSKKH DEKS twoWWIsoldiersexplainthe musicTeatroZinZanniserves WeirdAlNilüferYanyaandmore CLSK raceriotsaswellasanyhistory LoveChaos&Dinnerand 39 EarlyWarningsBilalKinky D P JR book SteepTheatre’sPomonaplantsa FriedmanLilbootycallandmore CEAL M EP M FOOD&DRINK dystopiangardenofevil justannouncedconcerts TD KR 13 RestaurantReviewA 39 GossipWolfCityofDjinn A EJL descendantofaNewOrleans wedpsychedelicdronerock SWDI FILM BJ MS sausageminichainsurfacesin 23 ReviewOnceUponaTime toArabictraditionGoodKids SWMD L G LoganSquare inHollywoodindulgesthefantasy MadCitythrowabeachpartyto EA SN L ofmoviehistorywhenitcouldbe commemoratetheraceriots G D D C S MEBW FEATURE questioningit andmore L CS C -J 10 ProofHowimmigrationcourtis 24 MoviesofnoteBarbara -
Journal and Proceedings of the Royal Society of New South Wales
Journal and Proceedings of the Royal Society of New South Wales 2018 Volume 151 Part 2 Numbers 469 & 470 “... for the encouragement of studies and investigations in Science Art Literature and Philosophy ...” THE ROYAL SOCIETY OF NEW SOUTH WALES OFFICE BEARERS FOR 2018 Patron His Excellency General The Honourable David Hurley AC DSC (Ret’d) Governor of New South Wales President Prof. Ian Sloan AO FRSN PhD FAA Vice Presidents Em. Prof. David Brynn Hibbert AM FRSN PhD CChem FRSC FRACI Mr John Hardie FRSN BSc (Syd) FGS MACE Ms Judith Wheeldon AM FRSN BS (Wis) MEd (Syd) FACE Hon. Secretary (Ed.) Em. Prof. Robert Marks FRSN MEngSci ResCert PhD (Stan) Hon. Secretary (Gen.) Dr Herma Büttner FRSN Dr.rer.nat Hon. Treasurer Mr Richard Wilmott MRSN Hon. Librarian Dr Ragbir Bhathal FRSN PhD FRAS FSAAS Hon. Web Master A/Prof. Chris Bertram FRSN PhD Councillors Dr Erik W. Aslaksen FRSN MSc (ETH) PhD Dr Mohammad Choucair PhD MRSN Em. Prof. Robert Clancy FRSN PhD FRACP Dr Laurel Dyson BSc(Hons) BA(Hons) PhD MRSN Ms Margaret Gibson MRSN Dr Donald Hector AM FRSN BE(Chem) PhD FIChemE FIEAust FAICD Prof. Nalini Joshi AO FRSN PhD (Prin) FAAS The Hon. Virginia Judge FRSN Prof. E James Kehoe FRSN PhD Hon. Prof. Ian Wilkinson FRSN PhD Southern Highlands Ms Anne Wood FRSN Branch Representative Executive Office The Association Specialists EDITORIAL BOARD Em. Prof. Robert Marks FRSN MEngSci ResCert MS PhD (Stan) – Hon. Editor Prof. Richard Banati FRSN MD PhD Prof. Michael Burton FRSN MA MMaths (Cantab) PhD (Edinb) FASA FAIP Dr Donald Hector AM FRSN BE(Chem) PhD (Syd) FIChemE FIEAust FAICD Em. -
Pohl's Introduction to Physics Volume 1
Klaus Lüders Robert O. Pohl Editors Pohl’s Introduction to Physics Volume 1: Mechanics, Acoustics and Thermodynamics With videos of 77 experiments Pohl’s Introduction to Physics Klaus Lüders Robert O. Pohl Editors Pohl’s Introduction to Physics Mechanics, Acoustics and Thermodynamics, Vol. 1 Editors Klaus Lüders Robert O. Pohl Fachbereich Physik Department of Physics Freie Universität Berlin Cornell University Berlin, Germany Ithaca, NY, USA Translated by Prof. William D. Brewer, PhD, Fachbereich Physik, Freie Universität Berlin, Berlin, Germany Additional material to this book can be downloaded from http://extra.springer.com. ISBN 978-3-319-40044-0 ISBN 978-3-319-40046-4 (eBook) DOI 10.1007/978-3-319-40046-4 Library of Congress Control Number: 2017944730 © Springer International Publishing Switzerland 2017 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, repro- duction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are be- lieved to be true and accurate at the date of publication. -
Toys in Space: Exploring Science with the Astronauts. REPORT NO ISBN-0-8036-4534-9 PUB DATE 94 NOTE 161P.; Foreword by John H
DOCUMENT RESUME ED 390 652 SE 057 036 AUTHOR Sumners, Carolyn TITLE Toys in Space: Exploring Science with the Astronauts. REPORT NO ISBN-0-8036-4534-9 PUB DATE 94 NOTE 161p.; Foreword by John H. Casper. Photographs may not reproduce well. AVAILABLE FROMTAB Books Division of McGraw-Hill, Inc., Blue Ridge Summit, PA 17294-0850 ($10.95). PUB TYPE Guides Classroom Use Teaching Guides (For Teacher) (052) EDRS PRICE MF01/PC07 Plus Postage. DESCRIPTORS *Astronomy; Elementary Secondary Education; Force; Gravity (Physics); Hands on Science; Physics; Science Activities; Science Experiments; *Scientific Concepts; Space Exploration; *Space Sciences; Technology; *Toys ABSTRACT The purpose of the Toys in Space project was to create new ways for children to discover the joy and excitement of science and technology in the world around us. This book describes how familiar toys behave in the space environment where the downward pull of gravity is absent, and clearly documents those principles of physics that explain why the toys behave as they do. Chapter 1 provides the background for the Toys in Space project. Chapter 2 provides the physics concepts needed to explain toy behaviors on earth and in space. Chapter 3 provides a detailed description of everyday life in orbit and a context for the toy experiments. Chapters 4 through 12 discuss how different toys work on earth and in space and contain instructions for constructing some of the toys. Two appendices list personal histories of the astronauts involved in the program and a list of NASA teacher resource centers. Contains an index and a glossary. (JRH) Reproductions supplied by EDRS ,re the best that can be made * from the original document. -
The Second Annual 2014 University of Chicago Scavenger Hunt List
The Second Annual 2014 University of Chicago Scavenger Hunt List The University of Chicago Scavenger Hunt Organization Committee 11 May 2014 SCAV TEAMS AND THE RULES OF THE HUNT 1. Acquisition of Items. All items on the List can be obtained and performed legally. It may involve smooth talking, or it may involve something else, but it is all possible. The Judges take no responsibility for your getting thrown into the clink|be it local clink, state clink, federal clink, or Colonel Klink. If you end up there, it is your fault. 2. Fair Play. Sabotage is bad. We don't like it, and we don't want it in the Hunt. Sabotaging teams or their items can lead to immediate disqualification, and we may even loose the hounds of the Administration on you. 3. Contact with Judges. While we don't want to complain and say that Judges have it so tough, Scav Hunt is always teetering on the edge of sheer chaos, and if we can avoid it, we should. Thus, please only communicate with the Judges if you are going to do it in a professional manner. Generally, just remember that the more people shout, the less will be understood. That seems like it makes sense, no? 4. Props. All props must, always and forever, be mad props. 5. Points. Point totals are final. We ask you to do awesome things and expect awesome things to be done. If you do said awesome things, the Judge will accord to you Full Points, the highest number of points possible for any item. -
Toying with Physics [DOI: 10.1051/EPN:2007010 ]
features Toying with physics [DOI: 10.1051/EPN:2007010 ] Hassan Aref 1, Stefan Hutzler 2 and Denis Weaire 2, 1 Department of Physics, Technical University of Denmark • 2800 Kgs. Lyngby • Denmark (Permanent address: Department of Engineering Science and Mechanics, Virginia Tech, Blacksburg • VA 24061 • USA) 2 School of Physics, Trinity College Dublin • Dublin 2 • Ireland n the early 19 th century the popularisation of science became One of the present au - Ia vogue, expressed in books that often took the form of “con - thors essayed a lecture [6] versations on natural philosophy”. They may have echoed the on such teasing trivialities discourse of the classical dialogue of debate but this was more at the “International Con - the conversation of the drawing-room, albeit in the stilted parl - ference on Theoretical ance of the time. and Applied Mechanics” in The top, my boy is a subject which the great Mantuan bard Warsaw (2004). An eager did not consider beneath the patronage of his muse. (anon., audience overflowed the quoted in [1]) capacity of the lecture the - Such lessons were aimed at future scientists (“boys”), the atre. At the preceding con - workers (“operatives”) and even the gentler sex (“little house - gress in Chicago (2000), as wives”). Of three particularly influential texts [1,2,3], two were part of a Science Teachers by women [2,3], one of whom preferred to remain anonymous Day, Professor Raymond for some time. The third, written by the early cancer researcher C. Turner of Clemson Uni - John Ayrton Paris, was splendidly entitled“Philosophy in Sport versity told an appreciative made Science in Action, being an Attempt to implant in the crowd of local physics and Young Mind the first Principles of Natural Philosophy by the science teachers about aid of Popular Toys and Sports of Youth”. -
BIRS 2009 Scientific Report
Banff International Research Station for Mathematical Innovation and Discovery 2009 Scientific Report 5-Day Workshops 2009 Jan 11 Jan 16 Affine Convex Geometric Analysis Jan 18 Jan 23 Dynamics and Statistics of Spatially Extended Systems (dedicated to 60th birthday of Leonid Bunimovich) Jan 25 Jan 30 Lower Bounds for Distributed Computing Jan 25 Jan 30 Mathematics of String Spaces and Algorithmic Applications Feb 1 Feb 6 Gauge Fields, Cosmology and Mathematical String Theory Feb 8 Feb 13 Stability Theoretic Methods in Unstable Theories Feb 15 Feb 20 Computational Mathematics of Discrete Surfaces Feb 22 Feb 27 Random Fields and Stochastic Geometry Mar 1 Mar 6 Multivariable Complex Dynamics Mar 8 Mar 13 Data Analysis using Computational Topology and Geometric Statistics Mar 15 Mar 20 Frames from first principles: Error correction, symmetry goals, and numerical efficiency Mar 22 Mar 27 Interactions of Geometry and Topology in dimensions 3 and 4 Mar 29 Apr 3 Invariants of Incidence Matrices Apr 5 Apr 10 Semiparametric and Nonparametric Methods in Econometrics Apr 12 Apr 17 Advances and Perspectives on Numerical Methods for Saddle Point Problems Apr 19 Apr 24 Random Schrödinger Operators: Universal Localization, Correlations, and Interactions Apr 26 May 1 Multiscale Processes in the Tropics May 3 May 8 Causal Inference in Statistics and the Quantitative Sciences May 17 May 22 Mathematical Immunology of Infectious Diseases May 24 May 29 Probabilistic Models of Cognitive Development May 31 Jun 5 Complex Analysis and Complex Geometry Jun 7 Jun -
Product Catalogue
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