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21st Century Tech Blog
Science, Technology and the Future
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Transportation
Freight Trains
Freight Trains
Energy/Industry
New Method for Cleaning Up Land-Based Oil Spills Shows Promise
lenrosen4
-
May 22, 2015
Energy/Industry
The Fate of an Oil Sands Pipeline Appears to be Doomed For the Wrong Reasons
lenrosen4
-
January 7, 2015
Air Transport Technology
Chicago’s Museum of Science and Industry is All About the Past
lenrosen4
-
August 29, 2014
Automobiles
Urban Spaces Update: SkyCycle Proposed for City of London
lenrosen4
-
January 10, 2014
Cities
Floods in Toronto, Floods in Calgary, Train Derailment in Quebec – How are they Related?
lenrosen4
-
July 10, 2013
Automobiles
Energy Update: Ever Heard of Piezoelectricity? Electricity from Your Feet!
lenrosen4
-
September 14, 2012
6
Freight Trains
Transportation – Part 5: Trains in the 21st Century
lenrosen4
-
October 6, 2011
1
Automobiles
Transportation – Part 1: Where We Will Go and on What in the 21st Century
lenrosen4
-
September 23, 2011
2
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Doctor Activism On Climate Sparks Canadian Election Letter-Writing Campaign
April 15, 2025
Science Without The Humanities In College Is Poor Education
April 14, 2025
