Weighing Biofuel – A New Crude Oil for Us
Energy

Weighing Biofuel – A New Crude Oil for Us

Is biofuel – fuel made from plants – the new crude oil for us? A new study from experts appointed by the National Research Council in the U.S. weighs biofuel’s costs and the effects. To replace crude oil with fuel made from corn stalks, grasses and other living things is an alternative worth studying. Technically, “biofuel” can also include animal fat according to … Continue reading »

The Scale of the Future
Engineering

The Scale of the Future

Engineer and publisher Mike Macartney wrote this invited post on what he sees as the defining issue of the 21st century. Scale. When I think of the future of our cities, I think of layers of urban life in director Ridley Scott’s Blade Runner, based on the Philip K. Dick novel “Do Androids Dream of Electric Sheep?” I wonder, what will the scale … Continue reading »