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Sand Wars Documentary on TVO

Got to TVO media viewer to watch this documentary (available until Mar 30, 2018).

Most of us think of it as a complimentary ingredient of any beach vacation. Yet those seemingly insignificant grains of silica surround our daily lives. Every house, skyscraper and glass building, every bridge, airport and sidewalk in our modern society depends on sand. We use it to manufacture optical fiber, cell phone components and computer chips. We find it in our toothpaste, powdered foods and even in our glass of wine (both the glass and the wine, as a fining agent)!
Is sand an infinite resource? Can the existing supply satisfy a gigantic demand fueled by construction booms?  What are the consequences of intensive beach sand mining for the environment and the neighboring populations?
Based on encounters with sand smugglers, barefoot millionaires, corrupt politicians, unscrupulous real estate developers and environmentalists, this investigation takes us around the globe to unveil a new gold rush and a disturbing fact: the “SAND WARS” have begun.

Here is the movie site: http://sand-wars.com/index.html

Below see a TED talk by the filmaker and the official trailer …

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The Great Dynamo Dig—Mining Your Revit Model with Computation (1 + 2)

Unfortunately those videos will not embed into this blog.

Here are the links:

http://au.autodesk.com/au-online/classes-on-demand/class-catalog/classes/year-2015/revit-for-architects/as10712#chapter=0

http://au.autodesk.com/au-online/classes-on-demand/class-catalog/classes/year-2014/revit-for-architects/ab5482#chapter=0