![Earth's magnetic field could FLIP – and it could WIPE OUT technology | Science | News | Express.co.uk Earth's magnetic field could FLIP – and it could WIPE OUT technology | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/590x/pole-reversal-1064396.jpg?r=1545998221110)
Earth's magnetic field could FLIP – and it could WIPE OUT technology | Science | News | Express.co.uk
![First Australian evidence of big shift in Earth's magnetic poles found, might help predict the next- Technology News, Firstpost First Australian evidence of big shift in Earth's magnetic poles found, might help predict the next- Technology News, Firstpost](https://images.firstpost.com/wp-content/uploads/2019/12/Earth-magnetic-poles.jpg)
First Australian evidence of big shift in Earth's magnetic poles found, might help predict the next- Technology News, Firstpost
![Last reversal of the Earth's magnetic field took twice as long as previously thought – Physics World Last reversal of the Earth's magnetic field took twice as long as previously thought – Physics World](https://physicsworld.com/wp-content/uploads/2009/04/geomag.jpg)
Last reversal of the Earth's magnetic field took twice as long as previously thought – Physics World
![Sometimes Earth's magnetic poles switch places. That is called a magnetic reversal. These graphs show how often magnetic reversals happen. Black stripes show times when Earth's magnetic field was "normal" (like it is today). White stripes show times ... Sometimes Earth's magnetic poles switch places. That is called a magnetic reversal. These graphs show how often magnetic reversals happen. Black stripes show times when Earth's magnetic field was "normal" (like it is today). White stripes show times ...](https://www.windows2universe.org/earth/Magnetosphere/images/geomagnetic_reversals_160mya_5mya_big.gif)