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Stories by David Wogan


Growth of the Alberta tar sands from 1984 to 2011

NASA has posted a series of satellite photos documenting the expansion of the Athabasca tar sands. The Athabasca pits cover over 54,000 square miles in Alberta with an estimated reserve of 1.75 trillion barrels of oil - good enough for third in the world behind Saudi Arabia (1) and Venezuela (2).Production increases noticeably from the mid-1980s to present day:Visible in the pictures are the tailing ponds holding contaminated water and material from the extraction process, along with surface stripping.So, in light of the near-certain death of the Keystone XL pipeline, will Canada's tar sand production continue to grow in the coming years?...

December 28, 2011 — David Wogan

Tweet, tweet - from your refrigerator: you're out of milk!

I was reading one of my favorite link blogs and found a Kickstarter page for a gadget called Twine. Developed by David Carr and John Kestner from the MIT start-up Supermechanical, Twine is a small box loaded with sensors and a WiFi connection that hooks up with a web app that lets you set up and monitor the sensors so they can send you messages of your choosing.Out of the box, Twine comes with four sensors: temperature, accelerometer, magnetic switch, and a motion sensor that let you measure all sorts of things around the house like when doors are opened or when a room is occupied...

November 30, 2011 — David Wogan

Dam breached, reservoir drained - restoring the White Salmon River

That's an amazing video shot by photographer Andy Maser of the Condit Dam being breached by explosives last month. The 125-foot tall dam, built in 1913 on the White Salmon River in Washington State, emptied the contents of its reservoir in just over two hours.For the first time in nearly one hundred years the White Salmon River will flow freely, restoring the river to be a natural habitat for local fish species...

November 7, 2011 — David Wogan
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