Construction Engineering

Adding water enables DNA-interconnected crystals to bounce

Rowleys

Northwestern University researchers have uncovered a previously unknown property of colloidal crystals, highly ordered three-dimensional arrays of nanoparticles.

The team engineered colloidal crystals with complementary strands of DNA and found that dehydration crumpled the crystals, breaking down the DNA hydrogen bonds. But when researchers added water, the crystals bounced back to their original state within seconds.

The new study describes

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Construction Equipment

Iowa State Wins 2022 Electrical Contracting Innovation

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Iowa State University won the 2022 Electrical Contracting Innovation Challenge (ECIC). Wayne State University took home second prize, and Pennsylvania State University won third place. This year’s ECIC was the 14th annual challenge hosted by ELECTRI International. The students were invited to NECA 2022 Austin to present their projects. They talked listeners through their bids and how they worked with

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Construction Management

Buro Happold elevates noted airport sector expert, Patti

Rowleys

October 11, 2022, the global leader in planning and implementation of aviation and airport projects, Buro Happold, has announced its U.S. practice team leader for the sector, Patti Harburg-Petrich. The closely watched move reflects Buro Happold’s deep portfolio of award-winning works in these markets and formalizes the firm’s multidisciplinary offer, integrating essential engineering and strategic consulting capabilities in a

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Construction Engineering

Repair Methods for Foundation Heave

Rowleys

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Foundation heave is a serious structural issue that should be fixed as soon as it is diagnosed. The first step involves the identification of the cause of heaving. This enables the engineers in implementing the appropriate solutions.

One of the major causes of foundation heave is the soil saturation underneath the foundation. In this case,

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Construction Equipment

Monitoring and Reporting Lighting Use Key to Networked

Rowleys

Amid concern for climate change and rising energy costs, many electrical contractors have already helped their customers achieve significant energy savings and receive rebates from utility companies by switching to LED bulbs and fixtures.

That’s the new normal, according to DesignLights Consortium (DLC), a nonprofit that maintains qualified product lists used by state energy-efficiency programs to enable utilities to administer

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