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21st Century Tech Blog
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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
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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
Energy/Industry
Energy Update: Renewable Wave and Tidal Power Getting Big Plays in U.S., Australia and Europe
lenrosen4
-
July 31, 2012
2
Robots & Robotics
Our Space Future in the 21st Century – Part 3: From Space Tourism to a Town of 10,000
lenrosen4
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July 24, 2012
11
Energy/Industry
Energy Update: Solar Power Isn’t Just About Electricity – Now Providing Air Conditioning
lenrosen4
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July 21, 2012
4
Energy Conservation Technology
Transportation Update: New Marine Technologies Coming to Tanker and Cruise Fleets
lenrosen4
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July 19, 2012
0
Energy Conservation Technology
Energy Update: Solar is Taking Off According to this BP Report
lenrosen4
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July 10, 2012
0
Energy/Industry
Energy Update: Home Energy Storage Technology Goes Commercial
lenrosen4
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July 8, 2012
0
Agriculture
Headlines at 21st Century Tech for June 22, 2012
lenrosen4
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June 22, 2012
2
Agriculture
Rio+20: A Report Card On How We Are Doing So Far?
lenrosen4
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June 21, 2012
0
Automobiles
Transportation and Energy Update: Some Big Numbers to Ponder and a New Fuel Source
lenrosen4
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June 16, 2012
0
Climate Change Science
Climate Science and Energy Update: 13 Actions Our Governments Must Take
lenrosen4
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June 11, 2012
0
Energy/Industry
Energy Update: Advances in Energy Storage Technology
lenrosen4
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June 6, 2012
0
Energy/Industry
Energy Update: Inventor to Demonstrate He Can Generate Electricity from Air in Defiance of the Laws of Thermodynamics
lenrosen4
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June 3, 2012
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