Science: Roar & Squiggle

It was snowing on the northern peninsula of Michigan one afternoon last week. At the vast deserted quarries of Inland Lime & Stone Co., 8 mi. from Manistique, a small group of men—Army & Navy observers, men from the Bureau of Mines and the Coast & Geodetic Survey, quarrymen, photographers — huddled under a line of steel freight cars. No other humans should have been within a mile of them. The occasion was dangerous. The military men said that during a heavy explosion it was best to stand on one's toes with the mouth...

Want the full story?

Subscribe Now


Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!