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21st Century Tech Blog
Science, Technology and the Future
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Transportation
Transportation
Artificial Intelligence
What Happens to Navigation When GPS and a Map Are Unavailable
lenrosen4
-
April 10, 2025
Electric Vehicles
China’s BYD For The Top Includes New EV Batteries That Recharge In Five Minutes
lenrosen4
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March 24, 2025
Electric Vehicles
The Two-Wheeled EV Market Focuses On Transportation Needs For The Global South
lenrosen4
-
March 9, 2025
Climate Change Science
Has Climate Change Made Commercial Flight More Problematic?
lenrosen4
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February 25, 2025
Climate Change Science
The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
lenrosen4
-
December 19, 2024
Agriculture
Headlines at 21st Century Tech for May 25, 2012
lenrosen4
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May 25, 2012
0
Automobiles
Energy Update: Today Lithium Ion Batteries, Tomorrow Lithium Air
lenrosen4
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April 30, 2012
1
Ships
Transportation Update: A Return to the Days of Sailing Ships the High-Tech Way
lenrosen4
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April 26, 2012
0
Climate Change Science
Transportation Update: Are Ice Bergs in the North Atlantic and Northwest and Northeast Passages Still a Threat
lenrosen4
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April 15, 2012
0
Automobiles
Material Science Update – The Promise of Self-Healing Plastics
lenrosen4
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March 29, 2012
0
Cities
Urban Landscapes Update – Seattle Building Designed to be Autonomous and Green for 250 Years
lenrosen4
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March 21, 2012
1
Space
Our 20th Century Space Legacy – Part 4: Transporting Humans into Near-Earth Space
lenrosen4
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March 20, 2012
0
Automobiles
Urban Landscapes in the 21st Century – Part 1: The Evolution of Cities
lenrosen4
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February 29, 2012
0
Air Transport Technology
Transportation – Part 7: Airplanes – What We Can Expect to See in the 21st Century
lenrosen4
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November 22, 2011
2
Air Transport Technology
Transportation – Part 7: AirshipTechnology, Past, Present and Future
lenrosen4
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November 3, 2011
1
Automobiles
Transportation – Part 6: Where Automobiles Are Inspiring Technical Innovation
lenrosen4
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November 2, 2011
1
Automobiles
Transportation – Part 6: Is the Internal Combustion Engine Doomed to Extinction?
lenrosen4
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October 17, 2011
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