Measuring any change in dark energy requires creative thinking, which is where the clusters come in.
Dr Menown pointed to other areas on the island of Ireland where similar skill clusters have sprung up.
"The economic consequences of where these biotechnology clusters form and grow will likely be immense, " says Ross DeVol, the study's principal author.
Where possible, Merlin clusters its attractions together and sells a discounted combination ticket.
Clusters like Hyades are places where many stars are born and live relatively close by to each other.
According to Giacomo Vaciago of the Catholic University of Milan, survival depends on the ability of Italy's clusters to transform themselves into districts where new ideas are dreamed up, designs developed and goods finished, with most production taking place in cheaper spots abroad.
Exploring the depth of dependency on particular industrial clusters would be a better measure of where diversification is most lacking.
Two of the world's biggest clusters of manufacturers are in northern Greece and southern China, where pelts are cut and assembled into garments and accessories, often in family-run businesses.
These included clusters of allegations, such as the Orkneys and Rochdale cases in 1991 where dozens of children were removed from their homes by social workers.
At length, the train begins to pass clusters of houses, building up gradually into the centre of Bergen, where it comes to rest under the vast cylindrical glass roof of the main railway station.
In the new image, the full-scale distribution of vast clumps of dark matter can be seen around galaxy clusters, connected by wispy filaments of dark matter and trailing off to enormous voids where no matter exists.
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