User:Eric.dane~enwiki

Category:Historical scientific instruments


 * Open educational resources

instruments
Spectrograph : The bandpass filters method usually uses analog processing to divide the input signal into frequency bands; the magnitude of each filter's output controls a transducer that records the spectrogram as an image on paper.

project-management software

 * eGroupWare
 * GanttProject

research

 * Comparison_of_reference_management_software
 * List_of_social_networking_websites

Humans

 * Charles_Sanders_Peirce
 * John Dewey
 * Lev Vygotsky
 * Jean Piaget

Philosophiae

 * Pragmatism

varia

 * Category:Newspapers published in Iran

Wikipedia interesting pages

 * Featured_content
 * No_original_research

fr:Utilisateur:Eric.dane