Christmas in Washington Christmas in Washington Christmas in Washington was an annual Christmas television special that aired for many years on the U.S. TNT network. It ended in 2015 after a 33-year run. One of two annual holiday specials produced by George Stevens Jr. (the other being the "Kennedy Center Honors"), the variety show first aired in 1982 on NBC before moving to its most recent home on TNT in 1998. Recorded in Washington, D.C. at the National Building Museum, on the second Sunday of each December before being re-edited for later broadcast, "Christmas in Washington" is a one-hour concert featuring artists from
All-or-none law contraction is not increased if the stimulus strength is further raised. Stronger stimuli bring more muscle fibres into action and thus the tension of a muscle increases as the strength of the stimulus applied to it rises. All-or-none law The all-or-none law is the principle that the strength by which a nerve or muscle fibre responds to a stimulus is independent of the strength of the stimulus. If that stimulus exceeds the threshold potential, the nerve or muscle fibre will give a complete response; otherwise, there is no response. It was first established by the American physiologist Henry Pickering Bowditch