Instead of pushing a traditional cone speaker from behind with a magnet, Edge Motion-driven speakers work with a thin, slightly curved membrane that is actuated along the edge area in a manner that creates an efficient, piston-like motion in front.

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But walking across the dark volcanic rocks with the snow cone of Mt Erebus behind and the sound of penguins braying along the sea ice of the sound, it is easy to imagine yourself transported back to the early years of the last century, for this is a timeless landscape.

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One day Marty came down and saw his brother sitting in the first row behind the outfield, his scorecard curled into a cone, talking out loud.

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