Undele radio, unde electromagnetice

Capitol: In constructie

Lectia 1: Generarea undelor electromagnetice

Lectia 2: Ecuatia undei electromagnetice

Lectia 3: Energia undei electromagnetice

Lectia 4: Spectrul undelor electromagnetice 

Lectia 5: Lumina-unda electromagnetica 

Lectia 6: Radioteleviziunea  

Lectia 7: Telefonia mobila

Lectia 8: Radarul