Earth
The Perfect Battery Material Is Dangerous!
High-energy rechargeable batteries seemed impossible, until we made them.
September 13, 2025
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Blog Posts
Mission Control
SacL5 Website Traffic Report 9/13/25 – Visits: 21,342 (+419)
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
September 13, 2025
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Meetings
SacL5 Meeting 8/9/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
September 12, 2025
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Mission Control
SacL5 Website Traffic Report 8/9/25 – Visits: 20,923 (+309)
SacL5 Web Site Traffic Report – Day 2,130 318 visits last 30 days 3,710 visits last 12 months 20,923 visits since Oct 10, 2019 2,011
August 9, 2025
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Meetings
SacL5 Meeting 7/12/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
August 9, 2025
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Mission Control
SacL5 Website Traffic Report 7/12/25 – Visits: 20,615 (+425)
SacL5 Web Site Traffic Report – Day 2,103 476 visits last 30 days 3,662 visits last 12 months 20,615 visits since Oct 10, 2019 2,011
July 12, 2025
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Arduino
Arduino Stop-Motion Camera
This video describes a build of an Arduino Camera Device that takes stop motion videos. This is part of the Sacramento Balloon Device Project to
July 9, 2025
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Meetings
SacL5 Meeting 6/14/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
June 17, 2025
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Mission Control
SacL5 Website Traffic Report 6/14/25 – Visits: 20,190 (+367)
SacL5 Web Site Traffic Report – Day 2,078 285 visits last 30 days 3,456 visits last 12 months 20,190 visits since Oct 10, 2019 2,011
June 14, 2025
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Arduino
Arduino ArduCAM SD Card Image Capture
Using an Arduino Nano controller, here’s how to connect an Arduino compatible ArduCam, and an SD Card to capture an correctly formatted jpeg image that
June 1, 2025
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Meetings
SacL5 Meeting 5/10/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
May 14, 2025
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Ad Astra
Interstellar Probes Propelled by Self-Steering Momentum Transfer Particles
ABSTRACT Spacecraft propulsion by reflection of beamed particles or photons represents a highly efficient means of achieving high velocities for interstellar spacecraft because the reaction
May 11, 2025
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Arduino
Arduino Button Triggered Camera
This post contains a video explaining the connections of an Arduino Nano to the Arduino Code Editor. This Arduino Nano is already loaded with the
May 10, 2025
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Featured
What led LaGrange to discover the five special orbital points?
He was trying to solve the three body problem. Kepler followed by Newton, solved the two body problem, but the three body problem completely defied
May 10, 2025
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Mission Control
SacL5 Website Traffic Report 5/10/25 – Visits: 19,823 (+334)
SacL5 Web Site Traffic Report – Day 1,983 364 visits last 30 days 3,478 visits last 12 months 19,823 visits since Oct 10, 2019 2,011
May 10, 2025
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Meetings
SacL5 Meeting 4/12/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
May 6, 2025
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Arduino
Arduino Nano with Arducam
The image above is the wiring diagram for an Arducam wired to an Arduino Nano board. Diagram created using Affinity Designer 2 Vector Illustration Editor
April 12, 2025
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Featured
Mars Has a Fatal Flaw – And No-one Has the Solution
There are a number of huge tech problems that block human settlement on Mars.Mars has no magnetic field so there’s no diversion of solar or
April 12, 2025
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Mission Control
SacL5 Website Traffic Report 4/12/25 – Visits: 19,489 (+323)
SacL5 Web Site Traffic Report – Day 1,983 374 visits last 30 days 3,511 visits last 12 months 19,489 visits since Oct 10, 2019 2,011
April 12, 2025
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Meetings
SacL5 Meeting 3/8/25
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
March 18, 2025
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Mission Control
SacL5 Website Traffic Report 3/15/25 – Visits: 19,166 (+393)
SacL5 Web Site Traffic Report – Day 1,983 402 visits last 30 days 3.428 visits last 12 months 19,166 visits since Oct 10, 2019
March 18, 2025
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Featured
Firefly Aerospace’s “Blue Ghost” – Commercial Moon Landing
Firefly Aerospace’s “Blue Ghost” lander dropped out of lunar orbit and swooped to a rocket-powered touchdown early Sunday, pulling off the first fully successful moon
March 18, 2025
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Featured
Nuclear Clock – Measuring Fundamental Constants
A breakthrough in physics. What are fundamental constants? The constants might not be constant! What is an atomic clock? A thorium nuclear clock is a highly
March 15, 2025
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Arduino
Arduino Elegoo Mega R3 Kit – Measuring Temperature
This video demonstrates an Arduino build to measure temperature. The build uses parts, the Arduino IDE code editor, and software from the $64 Arduino Elegoo
March 8, 2025
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Eric's Projects
Walking Beam Steam Engine
A **walking beam steam engine** is a type of stationary steam engine that was commonly used in the 19th century, particularly in marine applications and
February 23, 2025
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Arduino
Arduino Builds
Arduino is an open-source electronics platform based on easy-to-use hardware and software. It’s intended for anyone making interactive projects. This page tracks the acquisition, tutorials
February 23, 2025
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Balloon Device Project
SacL5 Meeting 2/15/25
Meeting Details for each Months Meeting Website: https://sacramentol5society.nss.org Meeting Call: Sacramento L5 Society, Local Chapter, National Space Society Where: Virtual presence only, via Zoom When: Second
February 18, 2025
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Mission Control
SacL5 Website Traffic Report 2/15/25 – Visits: 18,773 (+233)
SacL5 Web Site Traffic Report – Day 1922 262 visits last 30 days 3.348 visits last 12 months 18,773 visits since Oct 10, 2019
February 15, 2025
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Earth
Contra Costa Science & Engineering Fair
CCC Science & Engineering Fair Judge Registration Confirmed – March 14, 2025 – Join as a judge if you are available. For more information see:
February 15, 2025
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Earth
What Actually Happened to Amelia Earhart?
Flying in the 1930’s was extremely dangerous but with caution, communication and attention it could be made safer. This video from Derek Muller’s Veritasium YouTube
February 1, 2025
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Mission Control
SacL5 Website Traffic Report 10/12/24-1/11/25 – Visits(92days): 18,550 (+739)
SacL5 Web Site Traffic Report – Day 1930 732 visits last 92 days 3,444 visits last 12 months 18,550 visits since Oct 10, 2019
January 21, 2025
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Meetings
SacL5 Meeting 1/11/25
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary/Website Admin (click name to email) Mission – Why We Exist Help enthusiasts find ways to contribute.
January 20, 2025
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Ad Astra
Sacramento L5 Society Gallery!
We’ve had requests to gather the custom art designed for this website. Click to see the Sacramento L5 Society Gallery of artwork!
October 20, 2024
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Meetings
SacL5 Meeting 10/12/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary/Website Admin (click name to email) Mission – Why We Exist Help enthusiasts find ways to contribute.
October 19, 2024
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Mission Control
SacL5 Website Traffic Report 10/19/24 – Visits: 17,811 (+317)
SacL5 Web Site Traffic Report – Day 1836 273 visits last 30 days 3,749 visits last 12 months 17,811 visits since Oct 10, 2019
October 19, 2024
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Earth
2024 Space Settlement Summit
This is a unique event offering intimate access to some of the leading figures in space settlement. You will join the NSS leadership and a
September 24, 2024
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Meetings
SacL5 Meeting 9/14/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary/Website Admin (click name to email) Greetings – Attendees! Ed, Gregory, Jan Joe, Michael Updates and General
September 22, 2024
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Mission Control
SacL5 Website Traffic Report 9/14/24 – Visits: 17,492 (+235)
SacL5 Web Site Traffic Report – Day 1801 235 visits last 30 days 3,738 visits last 12 months 17492 visits since Oct 10, 2019
September 14, 2024
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Earth
Amateur Solid Rocket Controlled Landing!
How I Landed A Model Rocket Finally landed it! 0:00 Rocket Flight and Intro 1:44 Rocket Design Philosophy 3:09 Avionics Development 4:30 Physical Design 6:15
September 7, 2024
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Featured
Remembering the First Moon-Based Telescope
Apollo 16 astronaut John Young used a telescope to photograph star clouds, nebulae, and Earth’s outermost atmosphere from the Moon. It was the first telescope
September 7, 2024
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Earth
NSS Local Chapters Community Blog
If you’d like the Sac L5 Society to post one of your chapter activities here, Email: [email protected] Check out the NSS Local Chapters page with information from NSS
September 7, 2024
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Featured
A Power Tower on the Moon
Great minds think alike. The Sac L5 crew was thinking along these lines to power the moon years go. See TeamL5 Lunar Power Proposal The
August 25, 2024
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Mission Control
High School STEM Contest in Progress! Free MiniCube Balloon Flights to the Upper Atmosphere!
Press Release – Sacramento L5 Society Kicks Off High School STEM Contest The Sacramento L5 Society (SacL5), one of the oldest continuous non-profit space advocacy
August 24, 2024
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Meetings
SacL5 Meeting 8/10/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary/Website Admin (click name to email) Greetings – Attendees! Ed, Gregory, Jan, Joe, Richard, Kris, Michael Updates
August 18, 2024
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Mission Control
SacL5 Website Traffic Report 8/10/24 – Visits: 16,973 (+253)
SacL5 Web Site Traffic Report – Day 1738 284 visits last 60 days 3.803 visits last 12 months 17,226 visits since Oct 10, 2019
August 10, 2024
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Earth
New NSS Resources for Chapters Page – Summer 2024
Link for current NSS Chapter Newsletter Quarterly Check out the NSS Chapters Resources Page for Attachments and Updates between Newsletters Greetings from Ed, Perri, and
July 23, 2024
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Mission Control
SacL5 Website Traffic Report 7/13/24 – Visits: 16,973 (+595)
SacL5 Web Site Traffic Report – Day 1738 595visits last 60 days 3.726 visits last 12 months 16,973 visits since Oct 10, 2019
July 13, 2024
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Earth
Special Agenda Meeting 7/13/24
We’d like you to participate in a full membership vote. Please try to attend. Our meetings are our best chance to get complete input from the membership.
July 13, 2024
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Meetings
SacL5 Meeting 5/11/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary (click name to email) Greetings – Attendees! Joeseph, Paul, Michael, Kris, Ed, Joe Updates and General Chapter
June 1, 2024
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Mission Control
SacL5 Website Traffic Report 5/11/24 – Visits: 16,378 (+370)
SacL5 Web Site Traffic Report – Day 1675 414 visits last 30 days 3,511 visits last 12 months 16,378 visits since Oct 10, 2019
May 11, 2024
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Meetings
SacL5 Meeting 4/13/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary (click name to email) Greetings – Attendees! Joe, Jan, Gregory, Michael, Eric, Ed, Kris Updates and General
May 3, 2024
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Mission Control
SacL5 Website Traffic Report 4/13/24 – Visits: 16,008 (+361)
SacL5 Web Site Traffic Report – Day 1609 361 visits last 30 days 3,539 visits last 12 months 16,008 visits since Oct 10, 2019
April 13, 2024
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Mission Control
SacL5 Website Traffic Report 4/13/24 – Visits: 16,008 (+361)
SacL5 Web Site Traffic Report – Day 1609 361 visits last 30 days 3,539 visits last 12 months 16,008 visits since Oct 10, 2019
April 13, 2024
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Earth
NSS Resources for Chapters Page – Spring 2024
View/Download the NSS Chapter Resource List in PDF Format Download the NSS Chapter Resoure List in Word Format Greetings from Ed and Perri
March 16, 2024
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Meetings
SacL5 Meeting 3/9/24
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary (click name to email) Attendees: Michael, Gregory, Jayme, Joe, Joseph, Jan, Paul, Eric,
March 12, 2024
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Mission Control
SacL5 Website Traffic Report 3/08/24 – Visits: 15,647 (+343)
SacL5 Web Site Traffic Report – Day 1609 361 visits last 30 days 3,698 visits last 12 months 15,647 visits since Oct 10, 2019
March 9, 2024
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Meetings
SacL5 Meeting 2/10/23
Meeting Notes Home Page: SacramentoL5Society.org SacL5 Officers: Joe Bland President, Jan Rosten VP, Ed Kulis Secretary (click name to email) Greetings – New Attendees! Joe Beauchamp (very old friend
March 3, 2024
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Mission Control
SacL5 Website Traffic Report 2/10/24 – Visits: 15,304 total (+305)
SacL5 Web Site Traffic Report 336 visits last 30 days 3,740 visits last 12 months 15,304 since incept
February 10, 2024
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Meetings
SacL5 Meeting 1/13/24
Meeting Notes Home Page: SacramentoL5Society.org Greetings Jayme is a new attendee! She found SacL5 as the closest chapter to her location. She’s a member of
February 3, 2024
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Mission Control
SacL5 Website Traffic Report 1/13/24 – Visits: 14,999 total (+320)
SacL5 Web Site Traffic Report 320 visits last 30 days 3,855 visits last 12 months 14,999 since incept
January 13, 2024
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