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21st Century Tech Blog
Science, Technology and the Future
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
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Home
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
-
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
-
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
Automobiles
Transportation – Part 6: The 21st Century and the Automobile – What Will We Use to Make Them
lenrosen4
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October 13, 2011
2
Freight Trains
Transportation – Part 5: Trains in the 21st Century
lenrosen4
-
October 6, 2011
1
Ports
Transportation – Part 4: The Marine Challenge – Ships and Routes
lenrosen4
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October 4, 2011
1
Containers
Transportation – Part 4: The Marine Challenge – Containers and Ports
lenrosen4
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September 30, 2011
2
Automobiles
Transportation – Part 3: Energy Conservation and Alternative Fuels
lenrosen4
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September 28, 2011
1
Mass Transit
Transportation – Part 2: Urbanization and Population Growth
lenrosen4
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September 26, 2011
0
Automobiles
Transportation – Part 1: Where We Will Go and on What in the 21st Century
lenrosen4
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September 23, 2011
2
Energy Conservation Technology
Energy in the 21st Century – Part 6: Storage
lenrosen4
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August 9, 2011
3
Artificial Intelligence
What Lies Ahead? An Introduction to the themes of this blog
lenrosen4
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October 19, 2009
1
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