If all goes well, NuSTAR's first target will be the black hole nearest Earth.

WSJ: NASA NuStar Telescope to Hunt for Black Holes

Vickers's advice is that when you've adopted your stance and are ready to putt, gaze calmly and steadily at the hole (or target spot) for about three counts, bring your eyes back to the ball in one count and fix your eyes on the back (or top) of the ball for two counts.

WSJ: Why Scientists Love to Study Golf

This month's update issued patches for 49 vulnerabilities, including one that plugs a hole exploited by Stuxnet, the first-known worm designed to target real-world infrastructure such as power stations, water plants and industrial units.

BBC: Two million US PCs recruited to botnets

The values are shown by a score panel along the bottom of the target, while the position is shown by inserting an orange 'spotting disk' into the shot hole using a pin.

BBC: HOW FULL BORE EVENTS UNFOLD