A nanosecond is one billionth of a second. I really cannot conceive of a billionth of anything, but these photos are intended to convey the speed necessary to capture the subjects when they did.
A Sunday school teacher was discussing the Ten Commandments with her five and six year olds. After explaining the commandment to 'honor thy father and thy mother' she asked, "Is there a commandment that teaches us how to treat our brothers and sisters?"
Without missing a beat one little boy answered, "Thou shalt not kill."
* * *
The Senility Prayer
God, grant me the senility to forget the people I never liked anyway, the good fortune to run into the ones that I do like, and the eyesight to tell the difference.