Lessons learned

Article Abstract:

John Campbell, professor of casting technology at the Birmingham University Casting Technology Center, aims to inform the UK foundry industry of new casting technology and seeks to improve the reputation of castings as reliable products. Campbell cites factors which cause problems in casting applications. These include the blending of random folded oxide films during pouring and their entrapment in areas of weakness. The Birmingham team has explored these areas with a real-time X-ray system which allows the viewing of the passage of molten metal through filling basin and ceramic foam filter into the shaped mold.

Molding (Chemical technology), Molding, Campbell, John (American ambassador)

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HOV lessons

Article Abstract:

High-occupancy vehicle (HOV) lanes may present an alternative method in regulating traffic. The growth of HOV projects stemmed from urban population increase, state and local proposals and provisions in laws regarding highway constructions. The Texas Transport Institute analyzed HOV projects in six cities and determined their similarities. These include traffic problem identification and solution proposals, planned highway improvements and federal support. They also involved cooperative efforts, good funding schemes, responsible lead agency management and flexibility in the HOV project development.

Evaluation, Transportation planning, Traffic flow, High occupancy vehicle lanes

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What I learned in the rainforest

Article Abstract:

Rainforests are more productive than any businesses in the world. There is no truth in the fallacy that the needs of every business are often in conflict with environmental policies. On the contrary, business would be more productive and ecologically benign if it would be managed and operated according to the principles of conserving the forest. Mimicking the rainforest means following some basic paradigms of ecology.

Business, Column, Environmental aspects, Ecology, Rain forests

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