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 and Knowledge “Knowledge is overrated, William. What’s required is diligence and the service of a willing spirit.” – Tom Nuttall to his son
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
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
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 If we are alone, then what we choose now matters not just for us, but for the future history of the universe.
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
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 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 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
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 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
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
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
High-energy rechargeable batteries seemed impossible, until we made them.
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
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 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
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 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
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
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 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
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
Mission – Why We Exist Help enthusiasts find ways to contribute. Provide sources of enabling training to facilitate engineering prototyping. Establish a clearinghouse for the
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
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
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
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
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 image above is the wiring diagram for an Arducam wired to an Arduino Nano board. Diagram created using Affinity Designer 2 Vector Illustration Editor
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
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
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 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
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
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
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
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
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
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
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
CCC Science & Engineering Fair Judge Registration Confirmed – March 14, 2025 – Join as a judge if you are available. For more information see:
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
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
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.
We’ve had requests to gather the custom art designed for this website. Click to see the Sacramento L5 Society Gallery of artwork!
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.
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
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
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
SacL5 Web Site Traffic Report – Day 1801 235 visits last 30 days 3,738 visits last 12 months 17492 visits since Oct 10, 2019
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
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
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
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
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
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
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
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