December 9, 2014, 2pm PST
An article on big think examines a project to find the unique qualities of urban street grids as an exercise in the potential of Big Data.
April 15, 2010, 2pm PDT
The optimal transportation systems of the future will not be the result of utopian reinvention, but of incremental technological revolutions, opines Michael Schrage.
April 1, 2010, 1am PDT
A recent report from NASA outlined the threat solar storms pose to Earth-based electrical and communications systems, and warned that the social and economic disruptions could be catastrophic.
August 3, 2008, 1pm PDT
<p>Dickson Despommier, a professor at Columbia, says that global climate change will require us to reconsider growing food indoors, and proposes that farming go vertical.</p>