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Preface
Contents
How Technologies Work
An Introductory Course
by
Rajesh R. Parwani
July 2002
Preface
Contents
Introduction
Overview
Exercises
References
The Mechanical World : From Newton to Satellites
Newton's Laws
Work and Energy
Placing a Geostationary Satellite in Orbit
More on satellites
Power Supply
Survival under Extreme Conditions
Did you know?
Centrifuges
Exercises
References
Fluids: Balloons, Pumps and Submarines
Buoyancy and the Archimedes Principle
Balloons
Hot-Air Balloons
Water Pressure
Water Pumps
Bernoulli's Equation
Compressible fluids
Exercises
References
Motion Through Fluids and Beyond
Airplanes
Propellers
Jet Engines
Rockets
Ball Games
Curve Balls
Exercises
References
Thermodynamics and The Environment
The Internal Combustion Engine
Heat is a form of Energy
Laws of Thermodynamics
Order and Disorder
Entropy
Maximum Efficiency of Heat Engines
Optimizing Efficiency of Internal Combustion Engines
Air-Conditioner
Our Energy Sources
Fossil Fuels
Solar Energy
Nuclear Energy
Hydroelectric Power
Exercises
References
Electromagnetism: Motors and Generators
Electricity
Charges
Fields
Potential
Batteries
Currents
Capacitance
Power
Magnetism
Electric Motors
Electrical Generators
Electric Power Distribution
Exercises
References
Electrodynamics: Radio to X-rays
Electromagnetic Waves
Generation and Propagation of EM Waves
Names Given to EM Waves
Radio
FM vs AM
Television
The Picture Tube
The EM signal
Cable Transmission
Microwave Ovens
X-rays
Exercises
References
Light: Bulbs to Lasers
Sunlight, Light Bulbs and Fluorescent Tubes
Light Bulbs
Sunlight
Simulating Sunlight
Fluorescent Lamps
Lasers
Optical Fibers
Lightning
Exercises
References
Quantum Technologies
Origins of Quantum Theory
Particle Nature of Light: Planck's Quantum Hypothesis
Stability of Atoms
The Electron as a Wave
Quantum Mechanics
Heisenberg's Uncertainty Principle
Applications
Nanotechnology
Can The Human Eye Detect a Single Photon of Light?
Why do Stars Twinkle?
Exercises
References
About this document ...
Rajesh Parwani 2002-09-04
