Sustainability over the past 200 years

By Bruno De Wachter / Published on Mon, 2006-11-06 08:30

Adding an historical perspective to the debate

Sustainability and sustainable development are much-used concepts, but due to their complex and abstract nature, interpretations vary. Adding to their complexity are the relations between the micro-level (individual products) and the macro-level (entire nations or even the planet) and between the environmental, social, and economic points of view.

Read full story

Electrical Diversions and Amusements

By Hans De Keulenaer / Published on Mon, 2006-05-01 00:00

Alex McEachern

Six-pulse rectifiers, five centuries ago?

Read full story