Rochester's Lou Gramm to headline free concert

The Lou Gramm Band takes the stage today as part of the WCMF Dave Kane 30th Anniversary Show at the Rochester Public Market, 280 N. Union St.

The other way night vision works is by thermal imaging. This is technology that works exclusively in the upper portion of infrared light. Rather than gathering reflected light, this is heat that is given off by objects or people. This is known as thermal infrared, and it occupies the largest amount of space as part of the infrared spectrum (which is at the lower end of the light spectrum, below what is detectible by the human eye). This means that there is a great deal of wavelengths that can be detected by the proper devices. Because thermal imaging works by putting the heat coming from objects in visible form, it is to be expected that some objects will appear clearer than others. Humans, for example, emit more heat than a tree, and so a tree will not be as clear.If you plan to purchase night vision goggles or night vision scopes, be sure to check local laws concerning their use, particularly for hunting purposes. Using the equipment for observation and surveillance should not be a problem as long as the use is consistent with laws governing surveillance in general.Today�s night vision goggles and night vision scopes are considered to be Generation 3 and Generation 4 models using highly advanced technologies. Military and law enforcement continue to be major users of this equipment, but like with other technologies developed by the military, night vision goggles and night vision scopes are making their way into mainstream use with increasing regularity. Who�s using them?

For additional information, go to www.cityofrochester.gov/ publicmarket or contact the market office at (585) 428-6907 or by email at pmarket@cityofrochester.gov.