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21st Century Tech Blog
Science, Technology and the Future
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Solar Energy
Solar Energy
Energy/Industry
Perovskite Photovoltaics Leaving Silicon In The Dust
lenrosen4
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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
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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
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April 17, 2024
Energy/Industry
Texas Wind Turbines Survive Hurricane Harvey
lenrosen4
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September 2, 2017
0
Energy/Industry
Gizmos & Gadgets: Venetian Blinds Go Solar
lenrosen4
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July 8, 2017
0
Energy/Industry
Solar Cells Getting a Makeover with Nanotechnology
lenrosen4
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June 28, 2017
0
Energy/Industry
Mexico Border Wall to Have Solar Panels Says Donald Trump
lenrosen4
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June 22, 2017
0
Energy/Industry
How to Save the Fossil Fuel Companies
lenrosen4
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June 15, 2017
0
Energy/Industry
Surprise: The Country That Can Most Impact Climate Change Isn’t the United States or China, It’s India
lenrosen4
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May 30, 2017
0
Cities
Canada Green Building Council Creates Zero-Carbon Standard
lenrosen4
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May 29, 2017
0
Biomass
Newly Elected Emmanuel Macron Invites American Climate Scientists to Come to France
lenrosen4
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May 12, 2017
0
Climate Change Science
On Earth Day 2017 I Ask What Will It Take to Not Have to Have an Earth Day 2100?
lenrosen4
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April 22, 2017
0
Energy/Industry
Scientists Describe Path to Ten Terawatts of Energy from Sunlight by 2030
lenrosen4
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April 21, 2017
0
Energy/Industry
New Passive Radiative Film Could Mean No More AC for Hot Summer Days
lenrosen4
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March 30, 2017
0
Cities
Google Project Sunroof Coverage Expands to All 50 States
lenrosen4
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March 17, 2017
0
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