"The way that neurons communicate with each other is by how fast they fire pulses, it's a little bit akin to listening to a Geiger counter click, and it's that property that we lock onto, " said Professor Andrew Schwartz from the University of Pittsburgh.

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But an almighty hit by Muliaina on Bradley Davies knocked the ball out of the lock's grasp and set New Zealand away on another dangerous counter-attack.

BBC: Wales 25-37 New Zealand

But Wales lock Alun Wyn Jones dug deep at the breakdown to turn over possession and set up a counter.

BBC: Wales 19-13 Ireland

At maximum this allows you to go from lock to lock ridiculously quickly (and imprecisely), but just a few points of drift helped to counter-act the game's programmed resistance and gave the feel of a very over-boosted power steering setup.

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