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21st Century Tech Blog
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Artificial Intelligence
How Smart Cities Can Defend Against Pandemics
lenrosen4
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June 11, 2020
Cities
Has COVID-19 Shown Us How Our Cities in the Future Will Operate?
lenrosen4
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April 21, 2020
Cities
Reality Starting to “Sink In” for Oceanfront Cities, Towns, But Not Necessarily Property Owners
lenrosen4
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April 14, 2020
Artificial Intelligence
BrainBox AI Uses Deep Learning to Reduce the Carbon Footprint of All Types of Buildings
lenrosen4
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March 6, 2020
Agriculture
A Case Study: St. Louis and Middle America in the Age of Climate Change
lenrosen4
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February 15, 2020
Agriculture
Climate Change and Its Impact on our World’s Rivers – Africa – Part Three
lenrosen4
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December 11, 2013
2
Cities
Headlines: Waste Heat from London Tube Heats Homes
lenrosen4
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November 20, 2013
1
Cities
Gizmos & Gadgets: Window Stick-On Filters Out Urban Noise
lenrosen4
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November 9, 2013
3
Automobiles
Headlines: Podcars Coming to UK City in 2015
lenrosen4
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November 7, 2013
0
Cities
New Report Addresses Global Challenges and the Future
lenrosen4
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October 28, 2013
0
Cities
Water and Waukesha, Wisconsin – A Symptom and Freshwater Challenge
lenrosen4
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October 9, 2013
4
Artificial Intelligence
Headlines at 21st Century Tech for August 9, 2013
lenrosen4
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August 9, 2013
0
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
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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
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Once Again Global Action To Mitigate Climate Change Is At Risk
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Canada Celebrates The End Of War Each November 11th
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