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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
-
April 10, 2025
Electric Vehicles
China’s BYD For The Top Includes New EV Batteries That Recharge In Five Minutes
lenrosen4
-
March 24, 2025
Electric Vehicles
The Two-Wheeled EV Market Focuses On Transportation Needs For The Global South
lenrosen4
-
March 9, 2025
Climate Change Science
Has Climate Change Made Commercial Flight More Problematic?
lenrosen4
-
February 25, 2025
Climate Change Science
The Earth’s Rate of Warming in the 21st Century is 0.2 Celsius per Decade
lenrosen4
-
December 19, 2024
Electric Vehicles
Transportation Update: Tesla’s Supercharger Network to Expand Across the U.S. and Parts of Canada
lenrosen4
-
June 1, 2013
3
Electric Vehicles
Transportation Update: EV Infrastructure Pioneer Too Early for the Market
lenrosen4
-
May 27, 2013
8
Air Transport Technology
Headlines at 21st Century Tech for May 17, 2013
lenrosen4
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May 17, 2013
0
Electric Vehicles
Energy Update: An Environmental Engineer’s 2030 Forecast
lenrosen4
-
May 16, 2013
1
Air Transport Technology
Gizmos & Gadgets: Flying Cars! Really?
lenrosen4
-
May 13, 2013
3
Agriculture
Headlines at 21st Century Tech for May 10, 2013
lenrosen4
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May 10, 2013
2
Air Transport Technology
Transportation Update: Latest Scramjet Test Deemed a Success
lenrosen4
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May 5, 2013
0
Cities
Al Gore’s “The Future” More About the Present and the Past
lenrosen4
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April 28, 2013
0
Electric Vehicles
Gizmos & Gadgets: An Electric Superbike That Goes 300 Kilometers on a Single Charge
lenrosen4
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April 23, 2013
0
Agriculture
Gizmos & Gadgets: Meet Open Source Ecology
lenrosen4
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April 22, 2013
0
Electric Vehicles
Energy Update: Lithium-Sulfur Batteries from Waste
lenrosen4
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April 16, 2013
0
Gadgets
Gizmos & Gadgets: Meet RoWheels – a Wheelchair That You Pull to Move Forward
lenrosen4
-
April 13, 2013
0
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