
Originally Posted by
carl6969
21 minutes 47 seconds.
Guess I am not an alien, though I am suspicious of one particular person in town who is originally from Aurora, Texas, but that is another story. Maybe I will take a copy, along with a timer, to his house and conduct a little test.
Also, I found that if the image is enlarged, printed on an 8 x 10 piece of paper, and followed with a pencil, it is much easier to solve.
Yes, I cheated.
Might try this although at 33.1 × 46.8 in size ("A0"). I don't have Photoshop.
The physics is theoretical but the fun is real.