The Spinning Magnet: Force That Created Modern World – And Could Destroy It Alanna Mitchell Oneworld Publications Αγγλικά Βιβλία Science Physics

Many Times Through Deep History Earth’s Magnetic Poles Have Switched Places Leaving Our Planet’s Protective Shield Weaker And Life Vulnerable To Devastating Solar Storms The Last Time It Happened Was 780 000 Years Ago Long Before Humans Emerged But Won’t Be Until Happens Again When Does Will Send Us Back Stone Age? Spinning Magnet Is A Fascinating Insight Into What May Lie Ahead From Pivotal Discoveries Of Victorian Scientists Possibility Radiation Wiping Out Power Grids Secrets Electromagnetism Alanna Mitchell Reveals Truth Behind One Most Powerful Forces In Universe Σελίδες: 336 Έτος Έκδοσης: 0801 Διαστάσεις: 14 6X14 6Cm