I came across 2 cartoons while documenting various different algorithms for mobile robot path planning. Both these cartoons makes an agile researcher of this field squint and follow it up with a smirk (or script a LOL !) .
The first one is from willowgarage .
The first one is from willowgarage .
While the second one is from Arkin's book .
Both these cartoons succinctly illustrate the issues in the 'apparently simple' philosophy of path planning.