Brian Weeden
@brianweeden.bsky.social
Space policy wonk, former engineer, husband, father, Dungeon Master, and all around geek. I post things I find insightful, informative, or provocative
Pinned
Brian Weeden
@brianweeden.bsky.social
· Nov 17
There are many people wrong on the Internet. Again.
Really good video on how EUV lithography machines, the things at the heart of current export control and tech policy debates, work
The $200M Machine that Prints Microchips: The EUV Photolithography System
Interested in working on the forefront of technological innovation at ASML? Discover here: https://www.asml.com/en/careers/working-at-asml/life-at-asml
Still hungry to learn more about ASML's EUV…
youtu.be
January 1, 2026 at 5:58 PM
Really good video on how EUV lithography machines, the things at the heart of current export control and tech policy debates, work
Asteroid Bennu carries all ingredients to kick-start life as we know it | New Scientist www.newscientist.com/article/2506...
Asteroid Bennu carries all the ingredients for life as we know it
We knew from prior analyses that a distant asteroid sampled in 2020 carried all but one of the molecules needed to kick-start life, and researchers have just found the missing ingredient: sugar
www.newscientist.com
January 1, 2026 at 4:58 PM
Asteroid Bennu carries all ingredients to kick-start life as we know it | New Scientist www.newscientist.com/article/2506...
Reposted by Brian Weeden
The space segment of the Russian early-warning system is not in good shape. Only one satellite appears to be operational. The image shows mean motion of Cosmos-2563, launched in November 2022. Links to posts below 1/2
December 28, 2025 at 10:18 AM
The space segment of the Russian early-warning system is not in good shape. Only one satellite appears to be operational. The image shows mean motion of Cosmos-2563, launched in November 2022. Links to posts below 1/2
#ICYMI,here's a recap of all the amazing publications, podcasts, and events @AeroPolicy did over the past year: mailchi.mp/aerospace/20...
2025 CSPS Recap
Going Faster Series
mailchi.mp
December 27, 2025 at 6:58 PM
#ICYMI,here's a recap of all the amazing publications, podcasts, and events @AeroPolicy did over the past year: mailchi.mp/aerospace/20...
Here are all the US copyrighted works entering the public domain on Jan 1 next week: web.law.duke.edu/cspd/publicd...
Public Domain Day 2026 | Duke University School of Law
January 1, 2026 is Public Domain Day: Works from 1930 are open to all, as are sound recordings from 1925! By Jennifer Jenkins and James Boyle[1] CC BY 4.0 Please note that this site is only about US…
web.law.duke.edu
December 26, 2025 at 11:24 PM
Here are all the US copyrighted works entering the public domain on Jan 1 next week: web.law.duke.edu/cspd/publicd...
Great piece about the controversy in the 1970s over the estimated range of the Soviet Backfire bomber, as primarily derived from satellite intelligence www.thespacereview.com/article/5126/1
The Space Review: The Backfire bomber controversy
On June 1, 2025, Ukrainian drones launched as part of Operation Spider’s Web destroyed at least four Tu-22M Backfire bombers and damaged at least one more during an attack at Belaya Air Base near…
www.thespacereview.com
December 26, 2025 at 2:45 PM
Great piece about the controversy in the 1970s over the estimated range of the Soviet Backfire bomber, as primarily derived from satellite intelligence www.thespacereview.com/article/5126/1
Could This Tiny Clock Rival Atomic Precision? spectrum.ieee.org/silicon-clock
Could This Tiny Clock Rival Atomic Precision?
How does a chip smaller than a sugar cube rival atomic clocks in stability?
spectrum.ieee.org
December 22, 2025 at 5:58 PM
Could This Tiny Clock Rival Atomic Precision? spectrum.ieee.org/silicon-clock
These are the flying discs the government wants you to know about arstechnica.com/science/2025...
These are the flying discs the government wants you to know about
DiskSat's design offers "a power-to-weight ratio unmatched by traditional aluminum satellites."
arstechnica.com
December 22, 2025 at 4:58 PM
These are the flying discs the government wants you to know about arstechnica.com/science/2025...
Russia is about to do the most Russia thing ever with its next space station arstechnica.com/space/2025/1...
Russia is about to do the most Russia thing ever with its next space station
Russia, meanwhile, will be left to carry on the legacy of the ISS, with all its problems."
arstechnica.com
December 22, 2025 at 3:58 PM
Russia is about to do the most Russia thing ever with its next space station arstechnica.com/space/2025/1...
The Army's contribution to joint space operations spacenews.com/the-armys-co...
The Army's contribution to joint space operations
The Army's contribution to joint space operations
spacenews.com
December 19, 2025 at 9:40 PM
The Army's contribution to joint space operations spacenews.com/the-armys-co...
Starfish Space and Impulse Space demonstrate autonomous spacecraft proximity operations spacenews.com/starfish-spa...
Starfish Space and Impulse Space demonstrate autonomous spacecraft proximity operations
Two space companies have collaborated to demonstrate automated close approaches between spacecraft using a single camera as the primary sensor.
spacenews.com
December 15, 2025 at 11:24 PM
Starfish Space and Impulse Space demonstrate autonomous spacecraft proximity operations spacenews.com/starfish-spa...
Interesting insight into the new NSF Tech Labs initiative to fund great research teams, instead of specific projects: www.wsj.com/opinion/scie...
www.wsj.com
December 15, 2025 at 2:45 PM
Interesting insight into the new NSF Tech Labs initiative to fund great research teams, instead of specific projects: www.wsj.com/opinion/scie...
Perhaps this legalized sports gambling thing wasn’t such a great idea www.economist.com/united-state...
College campuses have become a front line in America’s sports-betting boom
The fun is undeniable, but so is the toll it is taking on young men
www.economist.com
December 14, 2025 at 5:58 PM
Perhaps this legalized sports gambling thing wasn’t such a great idea www.economist.com/united-state...
The Space Review: NASA Goddard and the dawn of international cooperation in space www.thespacereview.com/article/5118/1
The Space Review: NASA Goddard and the dawn of international cooperation in space
The International Geophysical Year (IGY) that ran from July 1957 to December 1958 was the largest international scientific effort ever conducted to that date [1, p. 34]. Both the United States and…
www.thespacereview.com
December 12, 2025 at 5:58 PM
The Space Review: NASA Goddard and the dawn of international cooperation in space www.thespacereview.com/article/5118/1
In a major new report, scientists build rationale for sending astronauts to Mars arstechnica.com/space/2025/1...
In a major new report, scientists build rationale for sending astronauts to Mars
“Everyone is inspired by this because it’s becoming real.”…
arstechnica.com
December 12, 2025 at 2:45 PM
In a major new report, scientists build rationale for sending astronauts to Mars arstechnica.com/space/2025/1...
A good overview of the recent ESA Ministerial meeting that shows how Europe’s commitment to space has grown over the last several years
The Space Review: A big win for European space
It turns out there can be a little too much European unity in space.
www.thespacereview.com
December 8, 2025 at 5:58 PM
A good overview of the recent ESA Ministerial meeting that shows how Europe’s commitment to space has grown over the last several years
SpaceX gets Environmental Approval for Starship at SLC-37 - NASASpaceFlight.com
SpaceX gets Environmental Approval for Starship at SLC-37 - NASASpaceFlight.com
After waiting the requisite time for an Environmental Impact Statement (EIS), SpaceX now has environmental…
www.nasaspaceflight.com
December 6, 2025 at 12:53 AM
SpaceX gets Environmental Approval for Starship at SLC-37 - NASASpaceFlight.com
For the 1st time ever, 8 spacecraft are docked to the International Space Station
For the 1st time ever, 8 spacecraft are docked to the International Space Station
It's the first time all the spacecraft docking ports on the current configuration of the ISS have been occupied.
www.space.com
December 3, 2025 at 1:58 AM
For the 1st time ever, 8 spacecraft are docked to the International Space Station
ICYMI, the latest paper from CSPS dives into what the #space community needs to know about #AI and how it could help tackle big space challenges and improve capabilities csps.aerospace.org/papers/artif...
Artificial Intelligence and the Space Enterprise: Taxonomy and Emerging Opportunities | Aerospace Center for Space Policy and Strategy
Although AI has long been used in space systems, its evolving integration across more mission phases and new applications raises the question of whether its growing influence will have the greatest…
csps.aerospace.org
December 2, 2025 at 1:58 PM
ICYMI, the latest paper from CSPS dives into what the #space community needs to know about #AI and how it could help tackle big space challenges and improve capabilities csps.aerospace.org/papers/artif...
Lamb loin chops, broccolini, and roasted potatoes
December 1, 2025 at 12:53 AM
Lamb loin chops, broccolini, and roasted potatoes
Reposted by Brian Weeden
Aaaaaand that's enough aviation internet for the day.
November 27, 2025 at 8:07 PM
Aaaaaand that's enough aviation internet for the day.
Happy Thanksgiving! The menu:
Fried turkey breasts
Sous vide legs and thighs
Green Bean Casserole
Brussels Sprouts
Winter Salad
Fruit Salad
Sage and Sausage Dressing
Roast Sweet Potatoes
Oyster Dressing
Mashed potatoes
Mac and Cheese
Fried turkey breasts
Sous vide legs and thighs
Green Bean Casserole
Brussels Sprouts
Winter Salad
Fruit Salad
Sage and Sausage Dressing
Roast Sweet Potatoes
Oyster Dressing
Mashed potatoes
Mac and Cheese
November 27, 2025 at 8:42 PM
Happy Thanksgiving! The menu:
Fried turkey breasts
Sous vide legs and thighs
Green Bean Casserole
Brussels Sprouts
Winter Salad
Fruit Salad
Sage and Sausage Dressing
Roast Sweet Potatoes
Oyster Dressing
Mashed potatoes
Mac and Cheese
Fried turkey breasts
Sous vide legs and thighs
Green Bean Casserole
Brussels Sprouts
Winter Salad
Fruit Salad
Sage and Sausage Dressing
Roast Sweet Potatoes
Oyster Dressing
Mashed potatoes
Mac and Cheese
Ukrainian Forces Destroyed russian A-60 Aircraft Equipped with a Laser Capable of Shooting Down Satellites | Defense Express
Ukrainian Forces Destroyed russian A-60 Aircraft Equipped with a Laser Capable of Shooting Down Satellites | Defense Express
At night, Ukrainian forces struck a machine-building factory in Taganrog, destroying a unique russian A-60 1A2 aircraft armed with a laser designed to destroy aircraft and satellites
en.defence-ua.com
November 26, 2025 at 12:53 AM
Ukrainian Forces Destroyed russian A-60 Aircraft Equipped with a Laser Capable of Shooting Down Satellites | Defense Express
New from CSPS! A deep dive into what the #space community needs to know about #AI and how it is being used now and can be used in the future to help solve critical space challenges and enable future capabilities! csps.aerospace.org/papers/artif...
Artificial Intelligence and the Space Enterprise: Taxonomy and Emerging Opportunities | Aerospace Center for Space Policy and Strategy
Although AI has long been used in space systems, its evolving integration across more mission phases and new applications raises the question of whether its growing influence will have the greatest im...
csps.aerospace.org
November 25, 2025 at 4:21 PM
New from CSPS! A deep dive into what the #space community needs to know about #AI and how it is being used now and can be used in the future to help solve critical space challenges and enable future capabilities! csps.aerospace.org/papers/artif...
It's fall so it must be time for beef stew!
November 23, 2025 at 11:24 PM
It's fall so it must be time for beef stew!