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The Royal Navy Triggered Such a Massive Explosion on Heligoland that the Island Had to Disappear: Its Rock Preferred Not to Yield

Summary by SciencePost
On 18 April 1947, the Royal Navy caused the largest non-nuclear explosion ever carried out, aimed at the disappearance of the German island of Heligoland. But the porous sandstone that made up the island absorbs the shock wave, saving Heligoland from total destruction. Even today, the island bears the scars of this attempt to erase. More
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On 18 April 1947, the Royal Navy caused the largest non-nuclear explosion ever carried out, aimed at the disappearance of the German island of Heligoland. But the porous sandstone that made up the island absorbs the shock wave, saving Heligoland from total destruction. Even today, the island bears the scars of this attempt to erase. More

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SciencePost broke the news on Sunday, July 19, 2026.
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