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Wednesday, May 31, 2017

Will shoes made of algae fight pollution?

An interesting piece by Adele Peters of FastCompany describes shoes made partly from a funky kind of plastic derived from algae. 

The Ultra III shoes, made by a company called Vivobarefoot, are partly made with algae skimmed from freshwater lakes.  This algae is turned into a foam that is blended with a standard plastic, ethylene-vinyl acetate, to form the material for the shoes.

Friday, January 20, 2017

More efficiency, more consumption?

Developers of technology pursue efficiency relentlessly.  This is done for a variety of reasons: Efficiency is readily quantified and lends itself to comparison between designs; a preference for efficiency seems simply rational (who wouldn't prefer a more efficient car over a less efficient one?); increases in efficiency increase sustainability.