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what did einstein state in his special theory of relativity?
albert einstein presented a paper on the electrodynamics of moving bodies that explained
in relation to space and time.

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.