TED-Ed: How does your smartphone know your location? - Wilton L. Virgo

TED-Ed: How does your smartphone know your location? - Wilton L. Virgo

Assessment

Interactive Video

Information Technology (IT), Architecture, Other

KG - University

Hard

Created by

Quizizz Content

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The video explains how smartphones determine location using GPS satellites and atomic clocks. It highlights the importance of precise timekeeping, achieved through atomic clocks powered by quantum mechanics. These clocks use the consistent frequency of caesium-133 atoms to provide accurate time readings. The video also covers how GPS triangulation and Einstein's theory of relativity help pinpoint exact locations on Earth.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How does your smartphone determine its location?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important for satellites to keep accurate time?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the speed of light affects distance calculations in GPS.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do atomic clocks play in GPS technology?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the relationship between quantum mechanics and atomic clocks.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of Planck's constant in atomic clocks?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How do multiple satellites help in pinpointing a location?

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