Scientists Measure Smallest Unit of Time Ever in ‘Zeptoseconds’

(при затруднение понимания, перевод в всплывающих подсказках)                                   I’m Bryan Lynn.   Bryan Lynn wrote this story, based on reports from Goethe University, Science and nobelprize.org. was the editor.   Words in This Story   unit – n. a single thing or a separate part of something