Well, depending on how long it takes your brain to run out of oxygenated blood ... You'd only have to watch for roughly 30 seconds to around 4 minutes.
Various factors come into play with that sort of thing. I could describe it in more detail if you'd like.
[video]
Well, depending on how long it takes your brain to run out of oxygenated blood ... You'd only have to watch for roughly 30 seconds to around 4 minutes.
Various factors come into play with that sort of thing. I could describe it in more detail if you'd like.