I think that its important because when we get lost we dont know the true north or magnetic north. So we need to know about it
The NIST-F1 Cesium fountain clock is in Colorado. It is the standard for primary time and frequency in measuring time.
The NIST laboratories in Boulder, Colorado, developed the cesium fountain atomic clock NIST-F1, which serves as the country's primary time and frequency standard. NIST-F1 is a member of the global network of atomic clocks that establishes Coordinated Universal Time (UTC), the recognized global time.
The NIST-F1 is known as a fountain clock because it measures frequency and time intervals by using the atoms' fountain-like movement. Atomic clocks are the most precise means of measuring time intervals, or the amount of time that separates two events.
Atoms in the clocks leap from one energy level to another due to the precise frequency at which these clocks emit electromagnetic radiation, such as microwaves.
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Climate can be sunny and warm which can affect rain and windy climates
Answer:
railway worker
Explanation:
the industrial revolution occurred during the 1850s and the invention of railways was one of the most significant inventions, especially in europe. so I think its railway worker...