Why do those moving black bars appear when trying to take a photo of an older tv or computer screen? And not on modern ones?
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On a sidenote to other’s explanations, google for any video of a helicopter where the blade’s frequency syncs with the camera’s frequency and be amazed.
On a sidenote to other’s explanations, google for any video of a helicopter where the blade’s frequency syncs with the camera’s frequency and be amazed.
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