'Clash of the time lords', Harpers
2000s; 2006; 2006-12-1; 21st century; Atomic clocks; Calendar reform; General Physics; History; Physics; Space and time; Stacey, Michelle; Systems and standards; Time; Time measurements; Units and Measurement
'Night-light saving', Harpers
1920; 1920-8-1; 1920s; Caricatures and cartoons; Courtship; Fathers and daughters; General Physics; Physics; Systems and standards; Time; United States; Units and Measurement; Walker, A. B.
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