October Issue 2009


In some ways, there is no difference between small and large contractors. Each one earns...

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| October 2009
Construction workers nationwide continued to bear the brunt of the recession, accounting for almost one-third of jobs lost in August, according to an analysis of new construct

| October 2009
Programmable logic controllers (PLCS) have been with us for some time—the first PLCs with architecture and functionality like the ones in use now were built in the mid-1970s.

| October 2009
In early August 2009, the Chicago City Council approved a lease on a vacant lot where a solar power facility will be constructed.

| October 2009
Scientests at the Lawrence Berkeley National Laboratory plan to boldly take their network where no computer network has gone before.