Pointing stick
A pointer or pointing stick is a solid wooden rod with a tapering to a tip end serving as a kind of extension of the index finger is used to manually pointing. Mostly it is produced artificially. Nowadays it has been largely supplanted by the laser pointer .
Conventional pointing sticks are simple, long, slim and often flexible sticks. Made of a solid material, they are designed to highlight locations on maps or words on blackboards by showing things that are still popular in classrooms.
In addition, pointing sticks are used as normal sticks for other purposes, for example, improperly for beating as corporal punishment .
In Greek mythology , the pointer next to a celestial globe is one of the symbols of Urania , the muse of astronomy.
A special form of the pointer is the jad for reading the Torah .
Sources and web links
Individual evidence
- ^ John Giba, Ramón Ribes: Preparing and Delivering Scientific Presentations . Springer Berlin Heidelberg , 2011, ISBN 978-3-642-15889-6 , pp. 65 , doi : 10.1007 / 978-3-642-15889-6 .