The Mechanical Universe and Beyond (27 to 39) (3 of 4)

The Mechanical Universe (Episodes 27 to 39)



http://www.learner.org/resources/series42.html




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This series helps teachers demystify physics by showing students what it looks like.



Field trips to hot-air balloon events, symphony concerts, bicycle shops, and other locales make complex concepts

more accessible.



Inventive computer graphics illustrate abstract concepts such as time, force, and capacitance, while historical reenactments of the studies of Newton, Leibniz, Maxwell, and others trace the evolution of theories.



The Mechanical Universe helps meet different students' needs, from the basic requirements of liberal arts students to the rigorous demands of science and engineering majors.



This series is also valuable for teacher professional development.



27. Beyond the Mechanical Universe

The world of electricity and magnetism, and 20th-century discoveries of relativity and quantum mechanics.



28. Static Electricity

Eighteenth-century electricians knew how to spark the interest of an audience with the principles of static electricity.



29. The Electric Field

Faraday's vision of lines of constant force in space laid the foundation for the modern force field theory.



30. Potential and Capacitance

Franklin proposes a successful theory of the Leyden jar and invents the parallel plate capacitor.



31. Voltage, Energy, and Force

When is electricity dangerous or benign, spectacular or useful?



32. The Electric Battery

Volta invents the electric battery using the internal properties of different metals.



33. Electric Circuits

The work of Wheatstone, Ohm, and Kirchhoff leads to the design and analysis of how current flows.



34. Magnetism

Gilbert discovered that the earth behaves like a giant magnet. Modern scientists have learned even more.



35. The Magnetic Field

The law of Biot and Sarvart, the force between electric currents, and AmpΦre's law.



36. Vector Fields and Hydrodynamics

Force fields have definite properties of their own suitable for scientific study.



37. Electromagnetic Induction

The discovery of electromagnetic induction in 1831 creates an important technological breakthrough in the generation of electric power.



38. Alternating Current

Electromagnetic induction makes it easy to generate alternating current while transformers make it practical to distribute it over long distances.



39. Maxwell's Equations

Maxwell discovers that displacement current produces electromagnetic waves or light.





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