News:

Want Appleseed to grow and fill our firing lines?  We need help with advertising, social media, graphics design, and administrative tasks.  An hour of time spent at this level can have a huge impact.  You can make a difference!  Send a Personal Message to Cleveland.

Main Menu

A light (or two) in the darkness

Started by FreeStater, December 11, 2009, 09:50:21 PM

Previous topic - Next topic
Print
Go Down Pages1
User actions

FreeStater

December 11, 2009, 09:50:21 PM
From: http://www.racc.edu/faculty/AlVanim/pdf/EPChapter5notes.pdf

Thresholds
Absolute Threshold: Minimum stimulation needed to detect a particular stimulus 50% of
the time.

Absolute Sensory Thresholds
•Vision: A single candle flame from 30 miles on a dark, clear night


30 MILES.  WOW.
Just thought this was interesting and related to the factual accuracy vs legend and folklore of the "April 19th" story.
We now return you to your regularly scheduled forum surfing...

EZ3

#1
December 12, 2009, 12:43:42 PM
Boston to Charlestown, 1.06 miles (post office to post office).  Thanks, that might be a good to know when dealing with a skeptic. 
"You can't teach Liberty by practicing tyranny." -  Mr. Happy
Print
Go Up Pages1
User actions