It is not only the laser-beam projectors and their visible cooling system with rotating vents that make the shimmering blue headlamps of the Concept GLA such an interesting feature.

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Assuming that is right, expect to see a big increase in appeals to the one bit of the European machine where unanimity will remain the rule: the European Council, which gathers together the 27 national leaders of the EU. Under Lisbon the European Council is to gain a semi-permanent president, to replace the system of rotating presidencies.

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EU's system of a rotating presidency, which allows each country a six-month stint at setting the Union's agenda and chairing its main council's meetings.

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Women form rotating credit systems to compensate for the absence of an accessible banking system.

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The Linkbot itself has two rotating hubs with absolute encoding, along with an accelerometer, buzzer, multicolored LCD and ZigBee wireless system with a 100m line-of-sight range.

ENGADGET