(plural paradigm shifts) 1  A radical change in thinking from an accepted point of view to a new one, necessitated when new scientific discoveries produce anomalies in the current paradigm. ( US) A radical change in thinking from an accepted point of view to a new belief.
The use of IN GOD WE TRUST has not been uninterrupted. The motto disappeared from the five-cent coin in 1883, and did not reappear until production of the Jefferson nickel began in 1938. Since 1938, all United States coins bear the inscription.
Rating Newest Oldest. Best Answer: Quarters after 1964 are copper nickel clad, there is no silver. only the 1/2 dollars from 1965-1970 are 40% silver. There was a 1976 silver quarter as well as the proof silver state quarters. Source(s): 48 years a numismatist.