HQ9

HQ9+ is a joke programming language made by Cliff L. Biffle in 2001.^[1] It has four "operations":

H: print "Hello, world!"
Q: print the program's source code (sometimes called a quine)
9: print the lyrics to 99 Bottles of Beer
+: add one to the accumulator (the value of the accumulator cannot be accessed)^[2]

HQ9+ Media

Hypothesized emotional response of subjects is plotted against anthropomorphism of a robot, according to Masahiro Mori's statements. The uncanny valley is the region of negative emotional response towards robots that seem "almost" human. Movement amplifies the emotional response.
In an experiment involving the human lookalike robot Repliee Q2 (pictured above), the uncovered robotic structure underneath Repliee, and the actual human who was the model for Repliee, the human lookalike elicited the greatest degree of mirror neuron activity.
An empirically estimated uncanny valley for static robot face images

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