Facebook
Linkedin
Twitter
Sign in
Join
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Sign in
Welcome!
Log into your account
your username
your password
Forgot your password?
Create an account
Sign up
Welcome!
Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
Search
Sign in
Welcome! Log into your account
your username
your password
Forgot your password? Get help
Create an account
Create an account
Welcome! Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
A password will be e-mailed to you.
21st Century Tech Blog
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Home
Environment
Land Use
Land Use
Cities
Toronto Could Use An Astra Bridge
lenrosen4
-
May 15, 2024
Housing
Manufacturing And 3D Printing At A Crossroads
lenrosen4
-
May 11, 2024
Agriculture
The Saga of Honeybee Colony Collapse is Being Questioned
lenrosen4
-
April 8, 2024
Agriculture
Transforming Coffee’s Future With Bioreactors And Cell Power
lenrosen4
-
March 16, 2024
Oceans
XPrize Launches Desalination $119 Million, 5-Year Competition
lenrosen4
-
March 2, 2024
Agriculture
What Food We May Eat At The End Of The 21st Century
lenrosen4
-
March 2, 2023
0
Environment
In Pursuit of Capturing CO2 a US Department of Energy Lab May Have a Novel Inexpensive Solution
lenrosen4
-
February 27, 2023
1
Mining
The Dream of Space Mining Remains Illusory at Present
lenrosen4
-
February 20, 2023
0
Artificial Intelligence
NASA Has Jumped on the Generative AI Design and Manufacturing Bandwagon
lenrosen4
-
February 19, 2023
0
Agriculture
Growing Food on Mars to Support Life from Earth Will Need to Exploit All the Tools in Our Scitech Arsenal
lenrosen4
-
February 11, 2023
0
Energy/Industry
Abandoned Mine Shafts Can Use Gravity to Turn Them Into Giant Batteries
lenrosen4
-
February 8, 2023
2
Material Science
The Word “Quantum” Invokes the Notion of Strange Physics and States of Matter
lenrosen4
-
January 30, 2023
0
Material Science
What is Graphullerene and Why Are Material Scientists Excited About its Properties?
lenrosen4
-
January 17, 2023
0
Mining
Understanding the Role of Critical Minerals in the Renewable Energy Transition
lenrosen4
-
January 14, 2023
0
Artificial Intelligence
Continuing Scientific and Technological Breakthroughs in 2022 – Part 3
lenrosen4
-
January 1, 2023
0
Cities
Population Growth, Urban Intensification, Mice and Rat Studies, Human Mental Health and the Climate
lenrosen4
-
November 29, 2022
0
Construction
Our Built Environment Providers Need to Adopt Circular Thinking To Tackle Carbon Emissions
lenrosen4
-
November 26, 2022
0
1
...
3
4
5
...
94
Page 4 of 94
Most Read
The Global Economy Will Be 31% Poorer By 2100 Because Of Climate Change
May 18, 2024
The EV Revolution Includes Charging Upgrades and Other Innovations
May 16, 2024
Toronto Could Use An Astra Bridge
May 15, 2024
XPrize Aims At Ways To Extend Human Lifespan
May 14, 2024