660,000 Supercomputers in your pocket
February 7, 2026
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WOW FACTOR Your iPhone vs. 1965 Supercomputing If you wanted in 1965 the computing power you now hold in your iPhone, you would have needed
Space Settlements
Sacramento L5 Society
Helping Enthusiasts Build Space Settlements
Ad Astra
To the Stars
The Sky is Not the Limit
Featured from Around the Web
Space Port with Orbital Tether
February 1, 2026
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Orbital Tethers Catch and Release Shave precious delta-V off the cost to orbit Why Orbiting Tethers• Orbiting tethers: long tethers making one revolution per orbit,
AI Abundance – Diligence and the Future
January 10, 2026
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AI and Knowledge “Knowledge is overrated, William. What’s required is diligence and the service of a willing spirit.” – Tom Nuttall to his son
The Firstborn Obligation
January 1, 2026
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The Firstborn Obligation If we are alone, then what we choose now matters not just for us, but for the future history of the universe.
Compton Airport Honors Laser Pioneer Hildreth “Hal” Walker Jr. at Air and Space Fair 2025
December 20, 2025
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In 2025, Compton Woodley Airport paid tribute to Hildreth “Hal” Walker Jr., a distinguished laser scientist and space technology pioneer, during its Air and Space
SacL5 Website Traffic Report 2/7/26 – Visits: 27,320 (+957)
February 7, 2026
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SacL5 Web Site Traffic Report – Mission Day: 2,312 1,026 (-162) visits last 30 days 8,592 (+743) visits last 12 months 27,320 (+997) visits since
SacL5 Meeting 1/10/26
February 3, 2026
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Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
Space Port with Orbital Tether
February 1, 2026
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Orbital Tethers Catch and Release Shave precious delta-V off the cost to orbit Why Orbiting Tethers• Orbiting tethers: long tethers making one revolution per orbit,
SacL5 Website Traffic Report 1/10/26 – Visits: 26,363 (+879)
January 10, 2026
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SacL5 Web Site Traffic Report – Mission Day: 2,284 1,074 1,188 (=108) visits last 30 days 7,894 (+722) visits last 12 months 26,363 (+879) visits
How To Blog to the SacL5 Site
January 2, 2026
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The SacramentoL5Society uses Word Press and the editor plugin called Elementor. Elementor provides the tools to buld a website that is very simple to update
Posting to SacL5 with Elementor
January 2, 2026
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The video below shows how to post an entry to the Sac L5 website using WordPress and Elementor. It features some of the tools and
The Firstborn Obligation
January 1, 2026
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The Firstborn Obligation If we are alone, then what we choose now matters not just for us, but for the future history of the universe.
SacL5 Website Traffic Report 12/20/25 – Visits: 25,484 (+1,647)
December 20, 2025
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SacL5 Web Site Traffic Report – Mission Day: 2,263 1,074 (-742) visits last 30 days 5,662 7,172 (+1,510) visits last 12 months 25,484 (+1,647) visits
SacL5 Website Traffic Report 11/7/25/25 – Visits: 23,837 (+1,662)
November 7, 2025
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SacL5 Web Site Traffic Report – Mission Day: 2,220 1,813 (+1,166) visits last 30 days 5,662 (+399) visits last 12 months 23,637 (+1,662) visits since
SacL5 Meeting 10/11/25
October 20, 2025
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Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
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Ongoing Interests
660,000 Supercomputers in your pocket
February 7, 2026
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WOW FACTOR Your iPhone vs. 1965 Supercomputing If you wanted in 1965 the computing power you now hold in your iPhone, you would have needed
SacL5 Website Traffic Report 2/7/26 – Visits: 27,320 (+957)
February 7, 2026
No Comments
SacL5 Web Site Traffic Report – Mission Day: 2,312 1,026 (-162) visits last 30 days 8,592 (+743) visits last 12 months 27,320 (+997) visits since
SacL5 Meeting 1/10/26
February 3, 2026
No Comments
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
Space Port with Orbital Tether
February 1, 2026
No Comments
Orbital Tethers Catch and Release Shave precious delta-V off the cost to orbit Why Orbiting Tethers• Orbiting tethers: long tethers making one revolution per orbit,
AI Abundance – Diligence and the Future
January 10, 2026
No Comments
AI and Knowledge “Knowledge is overrated, William. What’s required is diligence and the service of a willing spirit.” – Tom Nuttall to his son
SacL5 Website Traffic Report 1/10/26 – Visits: 26,363 (+879)
January 10, 2026
No Comments
SacL5 Web Site Traffic Report – Mission Day: 2,284 1,074 1,188 (=108) visits last 30 days 7,894 (+722) visits last 12 months 26,363 (+879) visits
How To Blog to the SacL5 Site
January 2, 2026
No Comments
The SacramentoL5Society uses Word Press and the editor plugin called Elementor. Elementor provides the tools to buld a website that is very simple to update
Posting to SacL5 with Elementor
January 2, 2026
No Comments
The video below shows how to post an entry to the Sac L5 website using WordPress and Elementor. It features some of the tools and
The Firstborn Obligation
January 1, 2026
1 Comment
The Firstborn Obligation If we are alone, then what we choose now matters not just for us, but for the future history of the universe.
Compton Airport Honors Laser Pioneer Hildreth “Hal” Walker Jr. at Air and Space Fair 2025
December 20, 2025
No Comments
In 2025, Compton Woodley Airport paid tribute to Hildreth “Hal” Walker Jr., a distinguished laser scientist and space technology pioneer, during its Air and Space
Paraplegic engineer becomes first wheelchair user to float in space
December 20, 2025
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Michaela “Michi” Benthaus, a 33-year-old paraplegic aerospace engineer from Germany, made history by becoming the first wheelchair user to travel to space on a Blue Origin suborbital
SacL5 Website Traffic Report 12/20/25 – Visits: 25,484 (+1,647)
December 20, 2025
No Comments
SacL5 Web Site Traffic Report – Mission Day: 2,263 1,074 (-742) visits last 30 days 5,662 7,172 (+1,510) visits last 12 months 25,484 (+1,647) visits
SacL5 Website Traffic Report 11/7/25/25 – Visits: 23,837 (+1,662)
November 7, 2025
No Comments
SacL5 Web Site Traffic Report – Mission Day: 2,220 1,813 (+1,166) visits last 30 days 5,662 (+399) visits last 12 months 23,637 (+1,662) visits since
SacL5 Meeting 10/11/25
October 20, 2025
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Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
SacL5 Website Traffic Report 10/11/25 – Visits: 21,975 (+633)
October 11, 2025
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SacL5 Web Site Traffic Report – Mission Day: 2,193 647 (+279) visits last 30 days 4,263 (+399) visits last 12 months 21,975 (+633) visits since
Chapter Resources Now on NSS Website
October 9, 2025
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Here’s the new location of the chapter resources page which is now on the NSS Website And here’s the look of the top of the
SacL5 Meeting 9/13/25
October 9, 2025
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Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
The Perfect Battery Material Is Dangerous!
September 13, 2025
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High-energy rechargeable batteries seemed impossible, until we made them.
SacL5 Website Traffic Report 9/13/25 – Visits: 21,342 (+419)
September 13, 2025
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SacL5 Web Site Traffic Report – Day 2,165 368 visits last 30 days 3,864 visits last 12 months 21,342 visits since Oct 10, 2019 2,011
SacL5 Meeting 8/9/25
September 12, 2025
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Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
Mission
Why We Exist
Help enthusiasts find ways to contribute.
Provide sources of enabling training to facilitate engineering prototyping.
Establish a clearinghouse for the ongoing objective analysis of proposed space development technologies.
Vision
What We Do
Inspire collaboration among enthusiasts and groups who support and engineer practical, implementable, cost-effective paths to space settlement.
Coordinate engineering details to create sustainable space settlements.
Goals
Our Success
Consistent interaction among an ever growing number of enthusiasts.
Publish records of engineering successes and project achievements.