ERIC Number: EJ287306
Record Type: CIJE
Publication Date: 1983
Reference Count: 0
Bright Ideas for Measuring Light.
Amend, John R.; Schuler, John A.
Science Teacher, v50 n7 p59-61 Oct 1983
Describes an inexpensive device (around $8.00) for measuring light. The circuit used includes five resistors, three small capacitors, a cadmium sulfide light sensor, two integrated circuits, and two light-emitting diodes. The unit is constructed on a small perforated circuit board and powered by a 9-V transistor radio battery. (JN)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Authoring Institution: N/A