Berry said he heard a bang, then saw pieces of the plane fall from the sky.

NPR: Search Ongoing For Passenger In NY Plane Crash

Berry said he heard a bang, then saw pieces of the plane fall out of the air.

WSJ: Search for pilot of NY Angel Flight resumes

Carol Hunter, who lives in a building that backs on to Lakanal House, described hearing a "huge bang and then flames were everywhere".

BBC: Probe into fatal tower block fire

That is fine in theory, but it presents a problem: If our current understanding of the laws of physics tells us that as much matter as anti-matter must have been created in the Big Bang, then where has all the anti-matter gone?

BBC: The problem with anti-matter

Then there may be a bang and a clatter, or a snapped branch and dark shapes plummeting into a clearing in front of you.

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If matter and antimatter were truly symmetrical, then they would have come into existence in equal amounts during the Big Bang and thus annihilated each other.

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Then we compare a player's stats to his salary to see how much bang he is delivering for the buck.

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"I remember being on the ride going round and then all of a sudden when we came to a halt there was a big bang and smash in the back, " he said.

BBC: Inquiry into rollercoaster crash

And then there's a second film called The Death of Kevin Carter: Casualty of the Bang Bang Club.

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