Many years ago I read about a simple divination system that anyone could learn. It used a TV set. You would turn the TV to a channel that didn't have a signal. The screen was a jumble of dots (technically called "visual noise") and you would hear a "shhhhhhhhhhh" sound (usually called "white noise" but it was technically "pink noise").
What I would do is turn up the sound to blot out all other sound (some companies sell devices that make this sound and sell them to people who work in noisy environments) and scoot up close to the TV so that the screen filled my field of vision. In this position it was very easy to sink into a trance state that was perfect for divination. I would