(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.
There are precedents for getting rid of coins that are too small to use. Back in 1857, the U.S. Mint stopped producing halfpenny coins â which, according to the historical information calculator at MeasuringWorth.com, had a purchasing power of $0.14 in 2015 dollars.