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21st Century Tech Blog
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Renewable
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
Alberta Company Believes It Has Game-Changing Geothermal Technology
lenrosen4
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February 7, 2024
Energy/Industry
The World Based On 2023 Results May Be On The Way to Exceed COP28 Renewable Energy Targets
lenrosen4
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January 22, 2024
Energy/Industry
Nikola Tesla’s Energy Theory Using The Power Of Flowing Water And Its Unfulfilled Promise
lenrosen4
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January 13, 2024
Agriculture
Headlines: IBM’s “Project Lucy” Focuses Watson on Africa’s Challenges
lenrosen4
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February 12, 2014
3
Energy/Industry
Headlines: London Opens World’s Largest Solar Bridge
lenrosen4
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February 7, 2014
0
Energy/Industry
Energy Update: New Solar Cells Get the Blues in a Good Way
lenrosen4
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February 4, 2014
2
Energy from Waste
Energy Update: Bay of Fundy to Test Tidal Turbines
lenrosen4
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January 25, 2014
0
Energy/Industry
Space Update: Electric Sail Proposed for Future Missions to Outer Planets
lenrosen4
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January 13, 2014
1
Energy/Industry
Gizmos & Gadgets: Solar Liberator A Plug-in for Residential Users
lenrosen4
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January 4, 2014
4
Automobiles
Headlines: CES Show to Preview Ford Solar-Hybrid Car
lenrosen4
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January 3, 2014
0
Biomass
Headlines: Fuel From Waste Goes on Sale in California
lenrosen4
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December 29, 2013
0
Cities
Would a Smart Grid Have Helped in Toronto’s Ice Storm?
lenrosen4
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December 26, 2013
0
Agriculture
Climate Change and Its Impact on our World’s Rivers – Africa – Part Three
lenrosen4
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December 11, 2013
2
Energy/Industry
Gizmos & Gadgets: A Windpower Funnel Technology That is Very Different
lenrosen4
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December 5, 2013
4
Cities
Headlines: Waste Heat from London Tube Heats Homes
lenrosen4
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November 20, 2013
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