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science waves (radio waves (uses (radio, TV, GPS, WiFi), dangers (radio…
science waves
radio waves
uses
radio
TV
GPS
WiFi
dangers
radio waves are harmless to people
source
radio
x-ray
uses
see bones
X-ray vision
dangers
cause cancer
it can burn
source
X-ray vision
infra red
uses
kill cancer
heats things
danger
heats things
source
gamma
uses
kills cancer
treat organs
dangers
creates
source
sun
visible light
uses
signals
see in the dark
make the dark visible
vision
colour
dangers
overheat
blinding
source
light bulb
ultra violet
uses
dry inks sterilazation
tans detection
dangers
cause burns
can blind
damage retina
source
sun
microwaves
uses
heat things
radar
mobile phones
navigation
dangers
burns
radiation damage
source
microwaves