Introduction: Physics and its relation to computer and Internet technologies
Mathematics : the language of science and technology
Mechanics : energy enables information technology
Matter and heat : colling computers is required by the physics of computation
Electricity and magnetism : the workhorses of information technology
Digital electronics and computer logic
Waves : sound, radio, and light
Analog and digital communication
Quantum physics of atoms and materials
Semiconductor physics : transistors and circuits
Digital memory and computers
Photons : light detectors and light-emitting diodes
Light and optical fibers for the Internet
Light amplification and lasers
Fiber-optics communication
Communication networks and the Internet.
