/r/askscience
If you shot a gun in the opposite direction of travel while in a vehicle going the same speed as the maximum speed of the gun's bullet (a jet perhaps), would an observer at the point of ignition see a bullet just fall to the ground and tumble in front of them?
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How did this article, suggesting Intelligent Design of the hand, make it through peer-review and into PLOS One?
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2 cars traveling in the same direction at 90km/h and 120km/h, if the faster one hits the slow from the back, is it the same crash as if a car traveling 30km/h hit a car that is not moving?
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Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list