Webwatch

Ask the rocket scientist
www.aerospaceweb.org/question/
Have you ever been interested in rockets and airplanes? Would you like to learn more about how they function? If yes, then log on to this website where a host of rocket scientists are ready to answer your questions. All answers are given in detail with illustrations so that you can understand the difficult concepts as well. You can also access the archives of questions put previously.

All chemicals
www.allchemicals.info/
Looking to clear a few concepts? Confused about simple terms in chemistry? This is one website which has a list and description of all the terms related to chemistry arranged in alphabetical order. A great plus for the website is that all the definitions are short and precise so that you don’t have to spend ages to find the relevant information.

Tracing mathematics
www-history.mcs.st-andrews.ac.uk/
Do not let the word “history” put you off. This website traces the history of mathematics in the most interesting manner. There are categories like “Arabic mathematics” and “Indian mathematics.” In these categories the website features articles and timelines related to how mathematics evolved in these regions.

Having the last laugh
www.amasci.com/freenrg/arrhenus.html
This article may seem a bit informal when you read it first. However, it raises a very important point. All throughout history, inventions have been laughed at and ridiculed but eventually have ended up becoming a necessity. Read this article to learn all about science and scepticism.