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21st Century Tech Blog
Science, Technology and the Future
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Energy/Industry
Renewable
Renewable
Energy/Industry
Perovskite Photovoltaics Leaving Silicon In The Dust
lenrosen4
-
May 30, 2025
Energy/Industry
Perovskite Solar: The Technology That’s Changing How We Power Small Devices
lenrosen4
-
May 28, 2025
Renewable
Solar Energy Technology Is Going “Perovskite”
lenrosen4
-
January 18, 2025
Solar Energy
A New Look At The Viability Of Solar Roads
lenrosen4
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November 4, 2024
Energy/Industry
Solar Energy is Popping Up in Some Very Unusual Places
lenrosen4
-
April 17, 2024
Biomass
Headlines: 50% of Added Energy Capacity in the U.S. Coming from Renewables Says Report
lenrosen4
-
August 23, 2013
0
Agriculture
Energy Update: Genetically Modified Plants and Biofuel
lenrosen4
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August 17, 2013
0
Energy/Industry
Headlines at 21st Century Tech for August 16, 2013
lenrosen4
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August 16, 2013
2
Energy/Industry
Religion and Technology Cooperate in Stained Glass Solar Cells
lenrosen4
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August 13, 2013
0
Energy/Industry
Energy Update: Desertec Foundation Walks Away from Solar and Wind Project Consortium
lenrosen4
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July 8, 2013
0
Climate Change Science
As a Retiree Living Off Investment Income What Should Be My Take on Energy Stocks?
lenrosen4
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July 3, 2013
3
Energy/Industry
Energy Update: Renewables to Surpass Natural Gas by 2016 But Coal Continues to Grow
lenrosen4
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July 2, 2013
0
Climate Change Science
Climate Change – A President Gets Serious About Carbon
lenrosen4
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June 26, 2013
0
Energy/Industry
Energy Update: CPV stands for Concentrated Photovoltaic
lenrosen4
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June 25, 2013
1
Energy/Industry
Energy Update: A Battery Made of Wood
lenrosen4
-
June 24, 2013
2
Energy/Industry
Gizmos and Gadgets: Self-Charging Cell Phones Coming Soon
lenrosen4
-
June 17, 2013
1
Electric Vehicles
Transportation Update: Tesla’s Supercharger Network to Expand Across the U.S. and Parts of Canada
lenrosen4
-
June 1, 2013
3
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Digital Transformation And Artificial Intelligence To Shape The Future Of Skilled Trades
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