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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
-
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
0
1
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Most Read
Energy Stories In the News That Caught My Attention
April 18, 2025
New Google AI Allows Humans To Have Conversations With Dolphins
April 16, 2025
Doctor Activism On Climate Sparks Canadian Election Letter-Writing Campaign
April 15, 2025
Science Without The Humanities In College Is Poor Education
April 14, 2025
