What is the answer to ""Up and ___!" (catchphrase for a physicist)" in the NYT Crossword?

The answer to the NYT Crossword clue ""Up and ___!" (catchphrase for a physicist)" is ATOM (4 letters).

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NYT

"Up and ___!" (catchphrase for a physicist) NYT Crossword Clue

Across clue · from the February 19, 2026 puzzle

Stuck on “"Up and ___!" (catchphrase for a physicist)” from the New York Times Crossword? Here is the verified answer:

Answer

ATOM

4 letters · Across · last seen February 19, 2026