The South East Physics Network (SEPnet) (www.sepnet.ac.uk/gcse.php) is exploring various ways to enhance physics learning and A-level uptake, including a series of interactive GCSE revision events. The first event, which includes talks and various physics exhibits by leading teachers and educators, is on energy and the exhibition--called "Who…

Describes the use of transistors instead of valves for Lecher line and radiation demonstrations. Two oscillator circuits which provide power for Lecher line use are described. Impedance of Lecher line is also discussed. (HM)

Presents nine selected physics notes which could be used in selected physics courses. Each includes the name of the author and a description of activities suggested. (HM)

Describes a project on the application of the laser which aims to stimulate the interest of undergraduate students in applied physics and to demonstrate the interaction between light and ultrasonic waves by building a simple laser communication system. (SK)