Because airships are simple and cheap, and as the blog post says: if they can get cargo point-to-point across the Atlantic, they will put air freight out of business.
If they can't do that, at least they could be competitive.
630 karma · joined May 25, 2016
If they can't do that, at least they could be competitive.
“Success is stumbling from failure to failure with no loss of enthusiasm.” - Winston Churchill
Since SLS launches are now upwards of $2B per launch by some estimates, how does this math work? Wikipedia also suggests $2 billion saved.
https://en.wikipedia.org/wiki/Space_Launch_System#Europa_Cli...
The organizations who fund the research are (finally) beginning to require it [0][1], and some journals encourage it, but a massive cultural shift is required and there will be growing pains.
You could also try emailing the corresponding authors. Any good-faith scientist should be happy to share what they have, assuming it's well organized/legible.
[0] https://new.nsf.gov/public-access [1] https://sharing.nih.gov/
https://static.nationalpriorities.org/images/charts/2021-cha...
https://www.nationalpriorities.org/budget-basics/federal-bud...
It was much easier and less gropey than opting out of the mm wave scans.
They have a network of vetted shops who bid on jobs when otherwise unoccupied.
- Your code specifies design constraints--you need it to do X and Y and Z.
- The engine designers needed the engine to fit in X and operate at Y temperature and not blow up (Z).
- This program optimizes the engine design for the physics instruction set.
From the article:
- First rocket engine built entirely through a computational model without human intervention
- Likely the shortest time from spec to manufacturing for a new rocket engine (2 weeks, usually this process takes many months in manual engineering using CAD)
- First liquid fueled rocket engine developed in the United Arab Emirates
- Engine worked on the first attempt
- No CAD was used in the design
Recruits leave with a sense of pride and belonging, and they fit seamlessly wherever they end up, doing their required work with minimal hassle. They address problems at the lowest possible level (e.g., a supervisor handles the discipline--no need to run it up to management unless the ramifications are severe.)
Notionally, anyway.
I don't understand the question. Could it be the fact that a Falcon 9 just landed after its 20th trip to space? Seems pretty reusable to me.
> How come people who hired bunch of grannies to knit a nav computer memory got to moon without loosing a single rocket.
Apollo 1 wasn't the whole rocket, but I'd say the three astronauts who died were worth more than that. How many astronauts has SpaceX lost? ETA: Not one of those first stages returned to earth intact, so in that sense, all the rockets that launched were lost. ETAA: Apollo 1 wasn't on a Saturn V, so my initial response doesn't really follow.
I wrote a program from scratch, tweaked it throughout my PhD, used it to get results for my thesis. I am quite confident in the robustness and accuracy of the program.
I couldn't explain my code to an interviewer (partially because it wasn't production-ready code, but mostly because I don't interview well). I'm glad I didn't get the job. Moved on to work with people who know I'm not a hand waver.
The salient points for me were:
- Braking produces [probably] unhealthy dust.
- Much of that dust is electrically charged, meaning sweeping it out of the air (perhaps before it leaves the wheelwell) is easy.
It would be interesting to know whether inhaling charged particles is more or less harmful than neutral particles, though.
Looks like criminals were using it for four years undetected.