Coinology is the Zen practice of searching in-circulation coins -- most often pennies.
"Coinology will help you train your brain to calm down -- massages your inner state into quietude."--E.J. Gold
What can I expect from Coinology?
Coinology works as a:
Meditation practice
Attention training (beginning and advanced)
Memory trainer
Psychic activation
Insomnia helper
Tool for social integration
Actually the above is a very short list of the many benefits and functions that Coinology can produce.
The seemingly innocent practice of searching in-circulation pennies for mint errors, oddities, rare dates, and brillant coins has a wide variety of benefits.