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21st Century Tech Blog
Science, Technology and the Future
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Artificial Intelligence
What Happens to Navigation When GPS and a Map Are Unavailable
lenrosen4
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April 10, 2025
Electric Vehicles
China’s BYD For The Top Includes New EV Batteries That Recharge In Five Minutes
lenrosen4
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March 24, 2025
Electric Vehicles
The Two-Wheeled EV Market Focuses On Transportation Needs For The Global South
lenrosen4
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March 9, 2025
Climate Change Science
Has Climate Change Made Commercial Flight More Problematic?
lenrosen4
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February 25, 2025
Climate Change Science
The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
lenrosen4
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December 19, 2024
Energy/Industry
Headlines at 21st Century Tech for August 16, 2013
lenrosen4
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August 16, 2013
1
Electric Vehicles
Gizmos & Gadgets: New Capacitor May Revolutionize EVs
lenrosen4
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August 12, 2013
9
Electric Vehicles
Transportation Update: Electric Vehicle Sales Trending Upward
lenrosen4
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August 11, 2013
2
Artificial Intelligence
Headlines at 21st Century Tech for August 9, 2013
lenrosen4
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August 9, 2013
0
Military
Religion, Technology and Science in the 21st Century – Part 3: How Islam Deals with Science and Technology
lenrosen4
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August 8, 2013
0
Climate Change Science
Environment Update: Carbon Taxes Work – Just Ask British Columbia
lenrosen4
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July 25, 2013
0
Automobiles
Transportation and Energy Update: Fuel Cell Cars Looking Even More Likely
lenrosen4
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July 11, 2013
0
Cities
Floods in Toronto, Floods in Calgary, Train Derailment in Quebec – How are they Related?
lenrosen4
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July 10, 2013
0
Space
Space Update: Unconventional Satellite Launch May Become Common Practice
lenrosen4
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June 29, 2013
1
Automobiles
Transportation and Communication Update: The Internet of Cars is a Near Thing Today
lenrosen4
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June 27, 2013
0
Artificial Intelligence
Headlines at 21st Century Tech for June 21, 2013
lenrosen4
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June 21, 2013
0
Automobiles
Headlines at 21st Century Tech for June 7, 2013
lenrosen4
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June 7, 2013
0
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