1.

Record Nr.

UNINA9910888055103321

Autore

Socialpolitik Verein für

Titolo

Verhandlungen der am 6. und 7. October 1884 in Frankfurt a.M. abgehaltenen Generalversammlung des Vereins für Socialpolitik über Maßregeln der Gesetzgebung und Verwaltung zur Erhaltung des bäuerlichen Grundbesitzes : und über die Einwirkung der Organisation unserer höheren und mittleren Schulen auf das sociale Leben und die Erwerbsthätigkeit der Nation. Auf Grund der stenogr. Niederschrift hrsg. vom Ständigen Ausschuß. (Schriften des Vereins für Socialpolitik XXVIII)

Pubbl/distr/stampa

Berlin : , : Duncker & Humblot, , 2022

©1884

ISBN

9783428572755

3428572750

Edizione

[1st ed.]

Descrizione fisica

1 online resource (160 pages)

Collana

Duncker & Humblot reprints

Soggetti

Rural development

Social policy

Lingua di pubblicazione

Tedesco

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Erste Sitzung. Montag den 6. Oktober 1884. Vormittags 9 1/4 Uhr. --   Referat von Professor Dr. Conrad (Halle a. S.) über Maßregeln der Gesetzgebung und Verwaltung zur Erhaltung des bäuerlichen Grundbesitzes, im Anschluß an die Ergebnisse der Untersuchung über die bäuerlichen Zustände. --   Korreferat von Ministerialrath Buchenberger (Karlsruhe) über Maßregeln der Gesetzgebung und Verwaltung zur Erhaltung des bäuerlichen Grundbesitzes, im Anschluß an die Ergebnisse der Untersuchung über die bäuerlichen Zustände. -- Zweite Sitzung. Dinstag den 7. Oktober 1884. Vormittags 9 Uhr. --   Referat von Generalsekretär Bueck (Düsseldorfs über die Einwirkung der Organisation unserer höheren und mittleren Schulen auf das soziale Leben und die Erwerbsthätigkeit der Nation. --   Korreferat von Professor Dr. Stürenburg (Leipzig) über die Einwirkung der Organisation unserer höheren und mittleren Schulen auf das soziale Leben und die Erwerbsthätigkeit der Nation. -- Liste der Theilnehmer an der



Versammlung des Vereins für Sozialpolitik in Frankfurt am Main am 6. und 7. Oktober 1884. -- Verzeichniß der Redner.

Sommario/riassunto

The book comprises the proceedings of meetings held by the Verein für Socialpolitik in Frankfurt in October 1884, focusing on legislative and administrative measures for the preservation of rural life and the impact of educational institutions on social dynamics. It provides a thorough analysis of agricultural conditions and societal structures in Germany, drawing conclusions from extensive empirical data and reports. The discussions aim to transcend political biases and foster objective dialogue on social and economic policies. It is directed at scholars, policymakers, and individuals interested in social economics and rural development.

2.

Record Nr.

UNINA9911020360003321

Autore

Prutchi David

Titolo

Exploring quantum physics through hands-on projects / / David Prutchi and Shanni R. Prutchi

Pubbl/distr/stampa

Hoboken, N.J., : Wiley, c2012

ISBN

9781280588808

1280588802

9781118170700

1118170709

9781118170687

1118170687

9781118170717

1118170717

Edizione

[1st edition]

Descrizione fisica

1 online resource (xxv, 261 p. )

Classificazione

SCI057000

Altri autori (Persone)

PrutchiShanni R

Disciplina

535.15

Soggetti

Quantum theory

Quantum theory - Experiments

Science projects

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.



Nota di contenuto

EXPLORING QUANTUM PHYSICS THROUGH HANDS-ON PROJECTS; Introduction; Prologue; Important Disclaimer and Warnings; Acknowledgments; About the Authors; 1 LIGHT AS AWAVE; Newton's View: Light Consists of Particles; Young's Interference of Light; Automatic Scanning of Interference Patterns; The Final Nail in the Coffin for Newton's Theory of Light; Light as an Electromagnetic Wave; Polarization; Optics with 3-cm Wavelength "Light"; Real-World Behaviors; Double-Slit Interference with Microwaves; The Doppler Effect; Experiments and Questions; 2 LIGHT AS PARTICLES

The Seed of Quantum Physics: Planck's FormulaThe Photoelectric Effect; Can we Detect Individual Photons?; Low-Cost PMT Power Supplies; Listening to Individual Photons; Where does this Leave Us?; Experiments and Questions; 3 ATOMS AND RADIOACTIVITY; The Need for Vacuum; The Mechanical Vacuum Pump; The Vacuum Gauge; A Very-High-Voltage Power Supply; A Vacuum Tube Lego® Set; Phosphor Screens; The Electron Gun; The Discovery of the Electron; Cathode-Ray Tubes; Thomson's First 1897 Experiment-Negative Charge and Rays are Joined Together

Thomson's Second Experiment-Electrostatic Deflection of Cathode RaysThomson and the Modern CRT; Thomson's Third Experiment-Mass-to-Charge Ratio of the Electron; Measuring e/m with our CRT; A Magical Measurement of e/m; Thomson's "Plum Pudding" Model of the Atom; Geiger-Müller Counter; a, ß, and ?; The Nature of Beta Radiation; The Ionizing Power of Alpha; What are Alpha Particles?; Rutherford's Alpha-Scattering Experiment; Rutherford's Planetary Model of the Atom; Experiments and Questions; 4 THE PRINCIPLE OF QUANTUM PHYSICS; Emission Spectroscopy; Bohr's Spark of Genius

Orbitals and Not OrbitsQuantization-The Core of Quantum Physics; Experiments and Questions; 5 WAVE-PARTICLE DUALITY; Gamma-Ray Spectrum Analysis; What is the Nature of Light?; Two-Slit Interference with Single Photons; Imaging Single Photons; The Answer: Complementarity; Matter Waves; Matter Waves and the Bohr Atom; Experimental Confirmation of De Broglie's Matter Waves; Two-Slit Interference with Single Electrons; A Simple TEM; Blurring the Line Between Quantum and Classical; Particle-Wave Duality in the Macroscopic World; Experiments and Questions; 6 THE UNCERTAINTY PRINCIPLE; Wavefunctions

The Uncertainty PrincipleExperimental Demonstration of the Uncertainty Principle; Time-Energy Uncertainty; Fourier Analysis; Bye, Bye Clockwork Universe; Experiments and Questions; 7 SCHRÖDINGER (AND HIS ZOMBIE CAT); Real-World Particle in a Box; Quantum Tunneling; Quantum Tunneling Time; Many-Worlds Interpretation; Schrödinger's Cat in the Lab; Beam Splitters; Who Rolls the Dice?; The Mach-Zehnder Interferometer; "Which-Way" Experiments; The Quantum Eraser; Experiments and Questions; 8 ENTANGLEMENT; Bell's Inequalities; An Entangled-Photon Source; Detecting Entangled Photons

High-Purity Single-Photon Source

Sommario/riassunto

Build an intuitive understanding of the principles behind quantum mechanics through practical construction and replication of original experiments With easy-to-acquire, low-cost materials and basic knowledge of algebra and trigonometry, Exploring Quantum Physics through Hands-on Projects takes readers step by step through the process of re-creating scientific experiments that played an essential role in the creation and development of quantum mechanics.  Presented in near chronological order-from discoveries of the early twentieth century to new material on entanglement-th