Uses a computer interface to measure terminal voltage versus current characteristic of a variety of batteries, their series and parallel combinations, and the variation with discharge. The concept of an internal resistance demonstrates that current flows through the battery determine the efficiency and serve to introduce Thevenin's theorem.…

The important role of the digital computer in education is outlined. The existing Indian situation and needs and the scope of the Computer Literacy And Studies in Schools (CLASS) program are briefly discussed. (Author/KR)

There is still nothing to beat the excitement and fulfilment that you can get from observing celestial bodies on a clear dark night, in a remote location away from the seemingly ever increasing light pollution from cities. However, it is also the specific requirements for good observing that can sometimes prevent teachers from offering this…

Addresses concerns related to how educational software can be designed to accommodate a constructivist approach to learning. Describes features of software which are consistent with a constructivist view and cites examples of physics materials which are appropriate. (ML)