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21st Century Tech Blog
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Industrial Technology
Mining
Mining
Mining
Ocean Floor Polymetallic Nodules Threatened By Deep Sea Miners Serve An Existential Purpose
lenrosen4
-
July 23, 2024
Climate Change Science
Sustainable Coal is a Fiction Being Peddled by Coal Producers and Their Customers
lenrosen4
-
November 25, 2023
Mining
On The Ocean Front Part 2: Our Pursuit Of A Low-Carbon Future May Have Destructive Consequences
lenrosen4
-
July 31, 2023
Mining
The Reality Of Deep Sea Mining Is Getting Closer As Are The Consequences
lenrosen4
-
March 16, 2023
Mining
The Dream of Space Mining Remains Illusory at Present
lenrosen4
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February 20, 2023
Mining
Space and Humanity in the 21st Century: Part 6 – Asteroids, Robots and Free Enterprise
lenrosen4
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May 21, 2012
0
Energy/Industry
Energy Update: Hydraulic Fracturing Science and Technology – What We Know and What We Don’t
lenrosen4
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April 8, 2012
5
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
Mining
Mining – Part 2: Extraction Technology and Techniques in the 21st Century
lenrosen4
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February 28, 2012
1
Mining
Mining – Part 1: Exploring for the Mother Lode in the 21st Century
lenrosen4
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February 21, 2012
0
Energy/Industry
Energy in the 21st Century: Part 3 – Synthetic Fuels from Bitumen
lenrosen4
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March 30, 2010
0
Artificial Intelligence
What Lies Ahead? An Introduction to the themes of this blog
lenrosen4
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October 19, 2009
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