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Search
21st Century Tech Blog
Science, Technology and the Future
AI
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Energy/Industry
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Environment
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Material Science
Are Heat Shields The Key to Unlocking a Future Space Economy?
lenrosen4
-
April 11, 2025
Cities
Urban Management In The 21st Century Requires “Smart City” Solutions
lenrosen4
-
April 9, 2025
Cities
Smart Lighting For Sustainable 21st Century Cities
lenrosen4
-
March 30, 2025
Agriculture
Critical to the Future of Agriculture and Food Security: Salt Tolerant Crops
lenrosen4
-
March 10, 2025
Manufacturing
Space Manufacturing Is About To Get Real
lenrosen4
-
March 6, 2025
Land Use
Agriculture – Part 1: Setting Our Future Food Table in the 21st Century
lenrosen4
-
November 29, 2011
1
Automobiles
Transportation – Part 6: The 21st Century and the Automobile – What Will We Use to Make Them
lenrosen4
-
October 13, 2011
2
Mass Transit
Transportation – Part 2: Urbanization and Population Growth
lenrosen4
-
September 26, 2011
0
Automobiles
Transportation – Part 1: Where We Will Go and on What in the 21st Century
lenrosen4
-
September 23, 2011
2
Energy/Industry
Energy in the 21st Century: Part 3 – Synthetic Fuels from Bitumen
lenrosen4
-
March 30, 2010
0
Artificial Intelligence
The Pursuit of Intelligent Machines: Part 4 – Here Come the Robots
lenrosen4
-
December 21, 2009
0
Computers
The Pursuit of Intelligent Machines – Part 2: Fabbing and Mass Customization in the 21st Century
lenrosen4
-
November 27, 2009
2
Computers
The Pursuit of Intelligent Machines – Part 1: Laying the Foundation for the 21st Century
lenrosen4
-
November 17, 2009
1
Artificial Intelligence
What Lies Ahead? An Introduction to the themes of this blog
lenrosen4
-
October 19, 2009
1
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