ما هي ساعات السيزيوم الذرية ؟

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إن الساعات الذرية هي عبارة عن عداد لذبذبات الطبيعية لذرات السيزيوم وهذه الذرات تُحِدثُ ( 9192631770 ) ذبذبة في الثانية . فهذه الدقة عالية جدا وباستخدام مجال كهرمغنطيسي تتبين الذبذبات .

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