14 Mar '12, 1pm
Happy Pi Day!
It's one of our favorite days of the year, Pi day, a celebration of all things round. And why is it green? As Bucky Fuller would remind you, a circle encloses the maximum area per unit of perimeter, a sphere the maximum volume. It is theoretically the most efficient form. © Foster and Partners via City of Cupertino No doubt, in a couple of years they will celebrate the day with Apple Pi at a certain corporate headquarters, which has been in the news again recently; Kaid Benfield at NRDC discussed it in If you care about cities, return that new iPad , quoting TreeHugger's One Ring to Bring Them All And In The Darkness Bind Them: Apple's New Headquarters Get on yer bike London/Promo image Four years ago, Warren pondered all things round, including his favourite, the bicycle, noting Britain's Burgeoning Bicycling Boom. Kelly Rossiter /CC BY 2.0 On Planet Green two years ago, ...