Vocabulary
wrist definition
smallest part of arm near hand
satellites, GPS, internet
Why are there multiple atomic clocks in the world?
So everyone has quick access to the correct time.
sophisticated definition
complex, high tech, or lots of knowledge about fashion and culture.
number of atomic clocks in the world
80 (across 24 countries)
Why was improving radio communications important during WW2?
so military personnel could be in contact with eachother no matter where they were.
precise definition
exact
within 1 second every 20 million years
Why do some people still wear wrist watches?
Fashion, easy access to time, convenience.
improve definition
get better at something
The year the first atomic clock was made
1949 (by the United States)
Why is it important to have sychronized time across the globe?
So everyone knows when things begin and end, business meetings can be international, sports can be international, airline flight times can be international.
regulating definition
keeping track, controlling something.
Coordinated Universal Time is maintained in what country
France
What would happen if there were no atomic clocks to syncronize time?
People would be late for things, miss events, or think other people were too early or late to things.