- Relax your eyes. Try to "look through the screen" while focusing on the two black squares (shown above) on the screen. This is difficult to achieve at first and requires some practice.
- When doing so, the two black squares will become four black squares. This is similar to the effect of double vision when looking cross-eyed, except that you need to look "too far" instead of "too close".
- Experiment with this until you manage to converge two of the four black squares so that you can see three black squares. In particular, try to concentrate on the square in the middle.
- Once you have achieved this, try to hold on to this until you feel that you can comfortably reproduce the three squares at any time.
- Now scroll the page down a little and repeat this procedure with the two black squares shown below.
- While doing so, let your eyes dwell into the colorful image directly below.
- You should then see an image appear, a three dimensional image!
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