4483735
Description
Mind Map by Jack Willepotte, updated more than 1 year ago
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Created by Jack Willepotte
about 8 years ago
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microwaves
- communication to and from satelites
uses microwaves however these
microwaves need to be ones which easily
pass through the watery atmosphere
- Radio waves CAN'T get through
the watery atmosphere
- Radio waves CAN'T get through
the watery atmosphere
- Satelite TV
- signal sent from transmitter
and transmitted into space
- satellite picks it up and transmits it
back to earth in different direction
- Recieved by satellite dish
- Recieved by satellite dish
- satellite picks it up and transmits it
back to earth in different direction
- signal sent from transmitter
and transmitted into space
- Mobile phone calls
- These travel as microwaves between
the phone and the nearest transmitter
- NEGATIVE: some wavelengths of microwaves
are absorbed by water and cause it to heat up
so if this is water in your body it could
damage health some say frequent mobile
phone use or living next to a mast could
damage heath but there's no evidence either
way yet.
- NEGATIVE: some wavelengths of microwaves
are absorbed by water and cause it to heat up
so if this is water in your body it could
damage health some say frequent mobile
phone use or living next to a mast could
damage heath but there's no evidence either
way yet.
- These travel as microwaves between
the phone and the nearest transmitter
- Remote sensing satellites
- These satellites 'see' through
clouds and can be used to track oil
spills, iceberg movement etc
- These satellites 'see' through
clouds and can be used to track oil
spills, iceberg movement etc
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