For a general overview about nuclear physics, engineering, and power plants refer to the following documents prepared by the U.S. Nuclear Regulatory Commission (NRC):

Nuclear Power for Electrical Generation

Fission Process

Boiling Water Reactor (BWR) Systems

Pressurized Water Reactor (PWR) Systems

Radiation Terminology

Natural and Man-Made Source of Radiation

Radiation Sources at Nuclear Power Plants

Radiation Dose Standards

Biological Effects of Radiation

Radioactive Waste Management

Transportation of Radioactive Materials

Spent Nuclear Fuel Pool Design Basis per the NRC

Background information about radiation and what it does pdf1
by Dr. Jacquelyn Yanch

Comments on the radiation levels resulting from the damaged nuclear power plants in Fukushima and the impact of these levels on human health. pdf2
by Dr. Jacquelyn Yanch

Radiation in their future: Dealing with the contaminated environment in Japan pdf3
by Dr. Jacquelyn Yanch

A Macedonian translation of the “What is an Isotope” post is available at