Stukje technische uitleg uit het mooie archief van AT&T over voortplanting van golven!
http://techchannel.att.com/play-video.c ... e-Behavior
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AT@T Similarities of Wave Behavior
AT@T Similarities of Wave Behavior
Before You Speak >THINK<: Is it
True? Is it
Helpful? Is it
Inspiring? Is it
Necessary? Is it
Kind?
True? Is it
Helpful? Is it
Inspiring? Is it
Necessary? Is it
Kind?