Can a coin falling from a great height be lethal? - ABC News
There's a precise science behind the impact of small, falling objects. Some can be deadly. Others don't pack much of a punch.
G'day, Dr Karl here.
Have you ever geared up for the Sydney Harbour Bridge Climb? You have to take everything out of your pockets, especially metal coins. How come? Could you really kill somebody by… [+4539 chars]
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