The wikipedia definition of cold fusion is rather enlightening. It told me a lot of things I didn’t know earlier. In case you don’t understand some of the terminology, all you have to do is click on that word (it it’s a link) and you’ll reach an explanation for it.
This page gives the Wikipedia definition of sound recording. There’s a whole chapter wise introduction to the subject. All about how sound recording is done and what instruments are used. Very useful information for students.
The definition of Glaciology has been discussed in great detail here. The perfect site for students who have been asked to write about glaciology for their school paper. It has all you need to know at a basic level and everything is explained so well that you will never forget. There is also a picture that will help you visualize what a glacier is all about.
