SacL5 Website Traffic Report 3/14/26 – Visits: 28,483 (+1163)
SacL5 Web Site Traffic Report - Mission Day: 2,347 1,026 906 (-120) visits last 30 days 8,592 9,346 (+754) visits last 12 months 28,483 (+1163) visits since Oct 10, 2019…
Space Radiation Shielding Practical Considerations
While space radiation is frequently cited as a primary constraint on human spaceflight, its risks can be mitigated more effectively than some current regulatory framing implies. This paper outlines practical…
660,000 Supercomputers in your pocket
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 to spend the equivalent of:…
SacL5 Website Traffic Report 2/7/26 – Visits: 27,320 (+957)
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 Oct 10, 2019 2,011
Space Port with Orbital Tether
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, with the same end pointing…
AI Abundance – Diligence and the Future
AI and Knowledge “Knowledge is overrated, William. What’s required is diligence and the service of a willing spirit.” - Tom Nuttall to his son in the HBO Television Drama:…
SacL5 Website Traffic Report 1/10/26 – Visits: 26,363 (+879)
SacL5 Web Site Traffic Report - Mission Day: 2,2841,074 1,188 (=108) visits last 30 days7,894 (+722) visits last 12 months 26,363 (+879) visits since Oct 10, 2019 2,011
The Firstborn Obligation
The Firstborn ObligationIf we are alone, then what we choose now matters not just for us, but for the future history of the universe. Whether intelligence becomes a brief, tragic…
Compton Airport Honors Laser Pioneer Hildreth “Hal” Walker Jr. at Air and Space Fair 2025
https://youtu.be/1a7GVSjk3uU?si=3M4a5MhsSntFNJIn 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 Fair. The airport presented…
SacL5 Website Traffic Report 12/20/25 – Visits: 25,484 (+1,647)
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 since Oct 10, 2019 2,011