What Really Happens Underground During a Missile or Meteor Strike?

April 12, 2015 11:04 AM

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(Photo : Abram Clark/Duke University) Frames from a high-speed video of a metal object slamming into a bed of artificial soil, sand or rock.The changing impact forces illuminated in each frame help explain why soil and sand get stronger when they're struck harder.

Scientists have wanted to understand how a missile or a meteor might affect the ground underneath our feet apart from the obvious devastation these events cause above ground.

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