Re: LED at 60 HZ? (was RE: Radio Shack Strobes)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: FutureT-at-aol-dot-com 

In a message dated 2/24/04 7:16:27 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

> >It seems too easy to me...he thinks that the LED may have
> >a "persistence" issue. In other words, just because it
> >turns off quickly doesn't mean it stops emitting quickly.
> >Comments?
> >Thanks,
> >Dan K


Dan,

Well I just use a fluorescent light to observe the phase shift.
The image is very blurry, but one can still see the phase shifting.
I never understood the need for a very sharp image.

John