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21st Century Tech Blog
Science, Technology and the Future
AI
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Energy/Industry
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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
Energy/Industry
Why Waste Chicken Feathers Today When You Can Use Them to Make Diapers and Fuel Cells?
lenrosen4
-
October 26, 2023
0
Cities
What Happens When Your City’s Water Supply is Compromised?
lenrosen4
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October 23, 2023
0
Agriculture
Solving The Intractable Human Problems That Persist in the 21st Century – Part 2: Food Security
lenrosen4
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October 16, 2023
0
Environment
It is Raining Plastic as Human Consumption Catches up With the Environment and Us
lenrosen4
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October 12, 2023
0
Agriculture
The United States Faces a Growing Environmental Crisis Involving Water and Population
lenrosen4
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September 11, 2023
0
Construction
Buildings Produce 40% of Emissions Today – Lessons in Sustainable Building Practices
lenrosen4
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August 27, 2023
0
Material Science
Advancements in Material Science – A DNA Metamaterial, Desiccant Sucking HVAC, and Fungi-based Concrete
lenrosen4
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August 1, 2023
0
Mining
On The Ocean Front Part 2: Our Pursuit Of A Low-Carbon Future May Have Destructive Consequences
lenrosen4
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July 31, 2023
0
World Population
Climate Change Isn’t The Only Human-Generated Crisis Our Species Faces In The 21st Century
lenrosen4
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July 26, 2023
0
Food
Headlines Last Week Linked Aspartame to Cancer – Were They Right?
lenrosen4
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July 23, 2023
0
Cities
The Reality of Climate Change is Hitting Home With the Latest Headlines
lenrosen4
-
June 8, 2023
0
Cities
It Is Hard To Ignore Climate Change As A Wildfire Haze Blankets The Local Environment
lenrosen4
-
June 7, 2023
0
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