And although it isn't a compulsory event, the opposition is of a very high quality, including Novak Djokovic, Rafael Nadal (with a point to prove on his favoured surface) and Robin Soderling, Murray's conqueror in California last month.

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The point is not to have it accumulate on the surface and allow it to spread either onto beaches or into marshes.

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This allows the phone to determine the location and movement on the surface, even for multi-point touch.

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Drop a second device on Surface and the system will offer up point-by-point comparisons of the two phones.

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The gist of the article is that users of Reddit are wrong to question legitimate fundraising attempts, which, on surface value, is an entirely valid point.

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This is a special type of Earth model which traces its idealised "horizontal" surface - the plane on which, at any point, the pull of gravity is perpendicular to it.

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The surface of the inland waterway sits at the lowest land point on the planet, more than 400m below sea level.

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Most scientists on both sides agree we are near the half precession point and solar energy at the earth surface in high summer at 65N is declining.

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