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21st Century Tech Blog
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Space
Latest NASA Moon to Mars Planning Document Heavy on the Details with the Exception of Food
lenrosen4
-
December 15, 2024
Artificial Intelligence
How Would We Recognize Alien Communication?
lenrosen4
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December 2, 2024
Scientific Theory
One Thing Is Certain – When It Comes To Cosmology And The Universe Nothing Is Certain
lenrosen4
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November 30, 2024
Space
Life On Mars – Present Today Or Only In The Past
lenrosen4
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November 21, 2024
Space
The Latest Head Count Of Solar System Asteroids
lenrosen4
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November 1, 2024
Robots & Robotics
Our 20th Century Space Legacy – Part 8: Revisiting Mars After Viking
lenrosen4
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April 17, 2012
1
Climate Change Science
Transportation Update: Are Ice Bergs in the North Atlantic and Northwest and Northeast Passages Still a Threat
lenrosen4
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April 15, 2012
0
Space
Our 20th Century Space Legacy – A Martian Update
lenrosen4
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April 13, 2012
2
Robots & Robotics
Our 20th Century Space Legacy – Part 7: Exploring Mars
lenrosen4
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April 11, 2012
0
Space
Our 20th Century Space Legacy – Part 6:The Soviets go to Venus
lenrosen4
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April 3, 2012
0
Robots & Robotics
Our 20th Century Space Legacy – Part 5: America Goes to Venus
lenrosen4
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March 30, 2012
0
Robots & Robotics
Mastering Space Beyond Near-Earth – Part 2: How We Got Started – The American Story
lenrosen4
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March 28, 2012
4
Mining Exploration
Mastering Space Beyond Near-Earth – Part 1: How We Got Started – The Soviet Story
lenrosen4
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March 22, 2012
0
Space
Our 20th Century Space Legacy – Part 4: Transporting Humans into Near-Earth Space
lenrosen4
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March 20, 2012
0
Space
Our 20th Century Space Legacy – Part 3: Testing the Limits of Human Endurance in Near-Earth Space
lenrosen4
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March 19, 2012
0
Space
Our 20th Century Space Legacy – Part 2: To the Moon and Back
lenrosen4
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March 16, 2012
0
Space
Our 20th Century Space Legacy – Part 1: The Evolution of Rocket Technology
lenrosen4
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March 15, 2012
1
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