Dr Piekarski first became interested in AR when he was looking for a subject to cover in depth during the final year of his engineering degree.

CNN: Turning virtual visions into reality

"England have a great chance in the final - they have great balance and great depth, " he added.

BBC: Paul Collingwood eyes Australia World Twenty20 final

And, despite having 10 players away with Ireland's World Cup squad, they had enough strength in depth to topple the Ospreys and earn a quarter-final away to Irish rivals Ulster.

BBC: Leinster 35-21 Ospreys

In the final two weeks, Palin was at last given a chance to make in-depth speeches on substantive issues like energy and special-needs children.

CNN: Analysis: Palin rocked campaign, for good and bad