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21st Century Tech Blog
AI
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How Artificial Intelligence Can Help Feed The World
lenrosen4
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January 15, 2025
Cities
LA Burning Is Hard To Ignore If You Cover Climate Change
lenrosen4
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January 14, 2025
Agriculture
Astroculture – There’s A Word I Had Never Heard Before When Talking About Growing Things
lenrosen4
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January 13, 2025
Curing Illness
It Is Hard To Ignore The Link Between White Rice and Type 2 Diabetes
lenrosen4
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December 29, 2024
Manufacturing
What’s Holding Back Aluminum Recycling?
lenrosen4
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December 28, 2024
Agriculture
Is Perennial Thinking the Solution to Conquer World Hunger While Saving the Environment?
lenrosen4
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June 15, 2013
5
Agriculture
Headlines at 21st Century Tech for June 14, 2013
lenrosen4
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June 14, 2013
3
Climate Change Science
Materials Science Update: Plastic Wood Replacing Timber in Construction – Not Necessarily a Good Thing
lenrosen4
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June 11, 2013
2
Curing Illness
Gizmos & Gadgets: Inexpensive Nano Water Filter Could Save Hundreds of Thousands Every Year
lenrosen4
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June 10, 2013
1
Gadgets
Gizmos & Gadgets: Meet the GiraDora, A Low Tech Washer and Dryer
lenrosen4
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May 12, 2013
9
Agriculture
Headlines at 21st Century Tech for May 10, 2013
lenrosen4
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May 10, 2013
2
Agriculture
Agriculture Update: How to Feed 9.5 Billion Humans in 2050
lenrosen4
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May 7, 2013
3
Environment
Gizmos & Gadgets: DewBank Harvests Water from Desert Mists
lenrosen4
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May 6, 2013
1
Agriculture
Headlines at 21st Century Tech for May 3, 2013
lenrosen4
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May 3, 2013
1
Cities
Society and Politics – Part 4: Getting Change Done
lenrosen4
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May 1, 2013
1
Biomass
Gizmos & Gadgets: A Fuel Cell That is Powered by Cook Stove Fires
lenrosen4
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April 30, 2013
0
Cities
Al Gore’s “The Future” More About the Present and the Past
lenrosen4
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April 28, 2013
0
1
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