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21st Century Tech Blog
Science, Technology and the Future
AI
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Education
Energy/Industry
Environment
Medical
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Space
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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
Artificial Intelligence
Conversations Among Autonomous Vehicle Designers and Those Building Road Infrastructure Are Yielding Interesting Results
lenrosen4
-
March 25, 2022
0
Agriculture
Saudi Scientists Invent Composite Device to Generate Energy and Freshwater
lenrosen4
-
March 21, 2022
0
Cities
New York City Pursues Net-Zero in the Borough of Queens
lenrosen4
-
March 5, 2022
0
Agriculture
Genetically Modified May Save Africa and Other Places From Disease and Starvation
lenrosen4
-
February 14, 2022
2
Material Science
Reducing Our Global Carbon Footprint Requires Us to Rethink the Building Materials We Use
lenrosen4
-
February 8, 2022
0
Material Science
Rubber-like Programmable MetaMaterial Invented With Unique Phase Change Properties
lenrosen4
-
February 6, 2022
1
Cities
Why Indoor Air Quality Is a Global Health Concern
lenrosen4
-
January 26, 2022
0
MEDICAL
The Stark Reality of a Global Pandemic: The Official Numbers Don’t Tell the Entire Story
lenrosen4
-
January 21, 2022
0
Agriculture
Biological Innovation May Be The Most Important Investment We Make to Adapt to Climate Change
lenrosen4
-
January 18, 2022
0
Cities
City Air is Just as Dangerous to Your Health as it was 20 Years Ago States The Lancet
lenrosen4
-
January 15, 2022
1
Business/Government
Is Our Planned Obsolescence Economic Model Sustainable?
lenrosen4
-
January 14, 2022
0
Agriculture
New Study Shows Plants Respond to Climate Change Differently Above and Below Ground
lenrosen4
-
January 10, 2022
0
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