Hello Snurk - just a quickie - how do you calculate the Run time/project? If I divide my total run time (25.1 years) by my total number of projects (16) I get 1.56 instead of the 1.25 that appears on my signature.
Many thanks for all your efforts in providing us with up-to-date and beautiful signatures.

Runtime/project is the basis for the globes. Anyone that has 2 years/project, sapphire globe, with the present 20 sciences/phases can directly relate and know that the total contribution is at least 40 run time years at that time. RaulBonegio is a current easy example. 1.25 x 20 is 25. Or 25 / 1.25 is 20. Or 25 / 20 is 1.25. The one secret in the sig is how much the mean daily runtime days are... maybe a feature suggestion, to compute same as Gflops an running average of last 30 days... but we don't want to lay all nerves bare ;>)

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Granted someone who starts later in a race will be further behind but that doesn't mean they can't run faster and eventually catch up. The number of projects being counted doesn't matter. If you have 500 years crunching time, that will still be 500 no matter how many projects you divide by.
Everyone is on the same playing field. Some are further ahead and some behind, but everyone determines the level they reach by the power they contribute.

You make a valid point Raul and it is obviously relevant to someone like myself. However, as I understand it, the coloured Globes idea and the rationale behind them, is Snurk's and they are not "officially" recognised by WGC.

A discussion of the rationale of including projects closed before a member joins would be interesting but it would have to be Snurk's decision.

Even as they stand now I think Snurk's sig blocks are a great advert for WGC.

The way the globes are calculated is the most fair solution I can come up with.
There are crunchers who have cruched 300 cpu years devided over 20 projects, and have 20 project badges:
http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=Jason1478963
There are others who crunched 300 cpu years and decided to dedicate all work to only two projects, so only having 2 project badges:
http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=Alexus78
At first glance, looking at their badges, the first cruncher seems to have done much more. The globe however reveals that both have the same amount of work done.
Badges of finished projects are out of reach for newcomers, but globes can be reached in any color any time, as long as you bring some power. It's like KWSN - A Shrubbery said, just let the crunching time add up and the globes will come no matter how many projects are available.