Hemi-Sync not completely useless

The test was a real killer - I guess I'm not going to get a score better than my last one. At least I solved every problem (there's a pretty high probability that there are a few mistakes in the solutions though).

Anyway, I should take another full 1 hour meditation to get things going again and regain my focus.

After the lecture of Computer Physics I and on my way home, I met this guy I sat right next to for 3 times and passed by. We always went in different directions and on the 3rd time, he started laughing when he saw me again. Funny coincidences sometimes.

Before going to sleep, I meditated maybe 10 minutes, facing the wall (I wanted to try an uncommon orientation / position for meditating). I didn't pay any attention to it before, but now I noticed it - when I closed my eyes, it felt as if I could only see with one eye. It was a bit weird, I mean I'm not supposed to see anything even with my eyes closed and yet there's this feeling
that I'm only seeing things 2D with my eyes closed. I started thinking that maybe my brain hemispheres are out of sync.

I remembered that I had copied a few Hemi-Sync meditation mp3-s onto my mp3 player. At first I tried to achieve the same effect without using anything but my own brain. I increased the psi-pressure in my right hemisphere and then tried to sync them just by feeling them syncing. I could immediately see the results - my vision of "darkness" (still my eyes closed) became 3D, but slowly morphed back to 2D when I thought about the hemi-sync waves again. I picked up the noise that I can usually hear in the background, started fading it in and out in different phases for both hemispheres - just the way the real hemi-sync mp3-s sound. It actually worked, but to the same extent that the previous attempt did.

I then stopped meditating and grabbed my mp3 player to search for that "meditation" directory, but I couldn't find it anywhere. While searching, I managed to break the mp3 player's forward button - it just stuck in the low position. Then I remembered that I had deleted all those mp3-s,
because I thought they were completely useless as I couldn't see any effect on my practice whether I was listening to them or not. Now I think I know why they are useful.