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Search
21st Century Tech Blog
Science, Technology and the Future
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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
-
November 4, 2024
Energy/Industry
Solar Energy is Popping Up in Some Very Unusual Places
lenrosen4
-
April 17, 2024
Agriculture
Climate Change and Its Impact on our World’s Rivers – Africa – Part Three
lenrosen4
-
December 11, 2013
2
Energy/Industry
Gizmos & Gadgets: A Windpower Funnel Technology That is Very Different
lenrosen4
-
December 5, 2013
4
Cities
Headlines: Waste Heat from London Tube Heats Homes
lenrosen4
-
November 20, 2013
1
Energy/Industry
Gizmos & Gadgets: The Solar Pocket Factory – Reinventing Solar Panels
lenrosen4
-
November 11, 2013
0
Energy/Industry
Gizmos & Gadgets: MPowerD Luci Light Aimed at the Developing World
lenrosen4
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November 3, 2013
0
Climate Change Science
Investors Question Valuation of Fossil Fuel Companies in Light of Climate Change
lenrosen4
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October 27, 2013
0
Biomass
Headlines: New Hybrid Device Makes Hydrogen Fuel from Sunlight and Sewage
lenrosen4
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October 17, 2013
0
Biomass
Environment Update: Climate Change, the World Bank, Indonesia and Coal
lenrosen4
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October 15, 2013
0
Biomass
Headlines: New Breakthrough in Biofuels Improves Output by 50%
lenrosen4
-
October 13, 2013
0
Air Transport Technology
Transportation Update: Solar Power and Commercial Aircraft
lenrosen4
-
September 10, 2013
3
Climate Change Science
Headlines: One Step Closer to Artificial Photosynthesis
lenrosen4
-
September 1, 2013
0
Agriculture
Inspiring Innovation – The Buckminster Fuller Challenge
lenrosen4
-
August 30, 2013
0
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