ERIC Number: EJ407508
Record Type: CIJE
Publication Date: 1989
Reference Count: 0
How Things Work. Mystery Glow-Ball: When Is a Battery Not a Battery?
Crane, H. Richard, Ed.
Physics Teacher, v27 n8 p630-31 Nov 1989
Examines the working mechanism of a commercial "Mystery Glow-Ball" by analyzing its electronic circuitry. Finds that the advertising for the ball is wrong; energy actually came from inserting a battery. (YP)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Practitioners
Authoring Institution: N/A