Foot Step Electricity Generation Mechanism using rack and pinion
H Istory Of Copenhagen ( autore: Michael Acquilino)
MELJUN CORTES Radio Technology2
From Compass To Cellphone: A 4000 Year Journey
List of Scientists
presentationrefining of aluminum
Acoustic Figures A. D. Jackson 7 May 2007. Ernst Florenz Friedrich Chladni (1756-1827)
Telecommunication Pioneers Day 3. Benjamin Franklin b 1747 Leydn jar was the first capacitor b 1752 discovers that electricity has a positive and a negative.
3. Science and Industrialization
Electricity and the Hybrid Imagination - Mixing Technology and Culture
H. C. Ørsted (1777-1851)