An American firm, 3D Systems, used one of its 3D printers to print a hammer for your correspondent, complete with a natty wood-effect handle and a metallised head.

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This is one of the key steps in financial planning, as it enables you to face life head-on and handle those little and, sometimes, big things that come your way.

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The first is a startup that plans to have a large national or international audience that means it will grow into a sizable business in terms of revenue, and in most cases, employee headcount (although many software businesses can now handle many millions of customers with reasonably low head counts).

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The makers would have to produce a mould, cast the head, machine it to a suitable finish, turn a wooden handle and then assemble the parts.

ECONOMIST: A third industrial revolution | The

It can handle multiple hits in one accident, Haupt says, and covers more of the head than a standard helmet.

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It can also handle multiple hits in one accident, she says, and it covers a much larger area of the head than a standard helmet.

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The prefrontal cortex is the most peculiarly enlarged part of the brain in human beings, but whereas the part near the top of the head generally seems to be involved in conventional intelligence, the "orbital" region tends to handle the processing of social information that is, assessing the moods and personalities of other people.

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