Today’s Solutions: December 18, 2025

Science doesn’t always get the credit it deserves, but we can rest easy knowing that one of the greatest scientists of all time, Stephen Hawking, has received one of the most stunning tributes a person can get. This week, the British Royal Mint has commemorated professor Stephen Hawking in a new 50p coin, which references the late physicist’s pioneering work on black holes. The coin, which will start circulating the UK economy, features Hawking’s name in capital letters above a rippling drawing of a concentric circle, intended to represent a black hole. Also on the coin is the formula for arguably Hawking’s most important scientific contribution. The new coin is the latest in a series of scientists honored by the UK coinage, including Charles Darwin in 2009 and Issac Newton in 2017.

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