928,668 views
1 year ago
SciShow
7.88M subscribers
Tags
SciShow
science
Hank
Green
education
learn
michael aranda
michael
aranda
we're slowly learning why earth's magnetic field flips
magnetic field
magnetic
field
flip
flip flop
earth
sun
north
south
geophysicist
geology
magnet
core
inner core
outer core
mantle
crust
layers
iron
planet
spin
dynamo theory
theory
dynamo
subduction
subduct
stripe
rock
volcanic rocks
compass
reverse
plate tectonics
plate
tectonic
geologic time
time
551 Comments