I've done many tests using LED strip lights running off different levels of AC voltage using a Auto-Transformer and controlling how much AC volts go into the strip. It was kinda surprising how much AC voltage they could handle before burning out at around 60-70 volts AC. Even though they could...
I'm aware of that , this is why its difficult to grasp the whole effect from a screen. when you see it with the naked eye it makes stuff look like a hologram but on a screen it just looks like frame rate effects here is a more recent video of mine ...
I did this very thing a few years ago myself and post a few videos about it because after doing a few searchs for flickering LED lighting I couldn't find anyone else who had done such a thing until I found this page