Tale of Two E-grocers

An interesting post from the Operations Room written by Jan van Mieghem.  Amazon delivering fresh groceries? And why is having groceries delivered greener than going to the store?

Tale of Two E-grocers: AmazonFresh and Why grocery delivery service is greener than driving to the store | The Operations Room.

Panama Canal won’t green shipping.

http://www.scmr.com/article/panama_canal_expansion_not_likely_to_make_shipping_green

Shooting stars – AnalyticBridge

Shooting stars – AnalyticBridge.

Some point plotting code and drawing vectors to compute old to new vectors.