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21st Century Tech Blog
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The Present And Future Internet of Things For Sustainable Construction
lenrosen4
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September 5, 2024
Cities
Shock Therapy Proposed By Northwestern University To Shore Up Shorelines
lenrosen4
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August 31, 2024
Cities
Toronto Could Use An Astra Bridge
lenrosen4
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May 15, 2024
Cities
Building Net-Zero Urban Centres Not Easy as Evidenced by the Story of Masdar City
lenrosen4
-
December 6, 2023
Cities
What Happens When Your City’s Water Supply is Compromised?
lenrosen4
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October 23, 2023
Cities
Headlines: Palo Alto is the First U.S. City to Require New Homes to be Pre-wired for EVs
lenrosen4
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October 3, 2013
2
Agriculture
Climate Change and Its Impact on our World’s Major Rivers – Part 3b: The Rivers of North America
lenrosen4
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October 2, 2013
1
Artificial Intelligence
Headlines at 21st Century Tech for August 9, 2013
lenrosen4
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August 9, 2013
0
Biomedicine
Headlines at 21st Century Tech for July 26, 2013
lenrosen4
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July 26, 2013
0
Cities
Floods in Toronto, Floods in Calgary, Train Derailment in Quebec – How are they Related?
lenrosen4
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July 10, 2013
0
Cities
As a Retiree Living Off Investment Income What Should Be My Take On Energy Stocks? – Part 2
lenrosen4
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July 9, 2013
1
Cities
Materials Science Update: New Discovery May Lead to Mile-High Buildings
lenrosen4
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June 23, 2013
0
Cities
Urban Landscapes Update: China’s Great Urbanization Experiment
lenrosen4
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June 16, 2013
1
Agriculture
Headlines at 21st Century Tech for June 14, 2013
lenrosen4
-
June 14, 2013
3
Cities
Society and Politics – Part 4: Getting Change Done
lenrosen4
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May 1, 2013
1
Cities
Al Gore’s “The Future” More About the Present and the Past
lenrosen4
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April 28, 2013
0
Agriculture
Urban Landscapes: A Grocery Chain in Brooklyn is Growing Local
lenrosen4
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April 20, 2013
1
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