Jerry Grey says that we will have to rely on it for a while longer. This is a very good history. Interestingly, he stays out of the AR1/BE-4 fight, and makes no specific recommendation of what should replace it, only that something should.
Category Archives: Economics
Reusing Rockets
I love the opening of this piece from James Dean:
In more than 65 years of launches from these shores, a rocket landing anywhere near its launch pads meant something had gone terribly wrong.
Not anymore.
Nope.
[Update a few minutes later]
He quotes Elon as saying that the rocket “costs” sixty million, but isn’t that the price? It has to cost less than that for them to make a profit. And I don’t think they’d want to reveal the actual cost, for business reasons, but it would be nice to know just how much margin they have, and how much they can reduce the price if it’s fully reusable.
[Update a few more minutes later]
And here we have an article from Mike Wall, where he quotes Elon as saying it cost $16M to build (if true, that gives them a huge profit margin and room to drop prices in the face of any competition). I saw others reporting that on Twitter on Monday, but no one really clarified if he said “sixty” or “sixteen.” It would be nice to get the actual number.
[Update a while later]
[Update a couple minutes later]
And Jessica Orwig’s.
[Update a couple minutes later]
[Afternoon update]
Here‘s SpaceflightNow’s take on it.
Bezos Versus Musk
The Coming Bright Age
Yesterday’s space success makes Bob Zimmerman optimistic about the future.
Holdren And NASA
Jeff Kluger has an interview with the Science Adviser. This is obviously not true:
There are certain fundamentals that everyone who looks at the challenges of space exploration [recognizes]: a heavy lift rocket is one of them, a crew capsule is another.
Not everyone. And even if we saw that as fundamental, it doesn’t mean they should be developed, owned and operated by NASA.
ObamaCare
We were told there would be no arithmetic. https://t.co/KBQddrglwx
— HealthCaliphate (@HealthDotGov) December 18, 2015
Obama’s Failures
Ed Driscoll has a roundup of links chronicling them. We have to survive another year of this, unless the Democrats in the Senate suffer from a fit of sanity and agree to remove him.
Dear Parents
Things you should know about the university you’re sending your kid to, but don’t. A long, but brutal critique of modern academia:
…what remedy is there for the problems of declining student competence and increasing student illiteracy? Ability and literacy are the true deliverables of a university education, aren’t they? How is their disappearance to be managed?
The first remedy is simply to juke the stats. Over the past 14 years of teaching, my students’ grade point averages have steadily gone up while real student achievement has dropped precipitously. Papers I would have failed 10 years ago as unintelligible and failing to qualify as “university-level work” I now routinely assign grades of C or higher. Each time I do so I rub another little corner of my conscience off, cheat your daughter of an honest low grade or failure that might have been the womb of a real success, and add a little bit more unreality to an already unreal situation.
I am speaking, of course, of grade inflation. For faculty, the reasons for it range from a desire to avoid time-consuming student appeals to attempting to create a level playing field for their own students in comparison to others to securing work through high subscription rates rather than real popularity to cynical acceptance of the rule of the game. Since most degrees involve no real content, it doesn’t matter how they are assessed. Beyond questions of mere style, there are no grounds for assigning one ostensibly studious paper an A and another a B when both are illusory. So let the bottom rise to whatever height is necessary in your particular market, so long as there remains at least some type of performance arc that will maintain the appearance of merit.
For students, the motives for grade inflation are similar to those of their professors in some respects and different in others. Given the way the university game is currently played, they too desire a level playing field and understand the importance of appearing to be, if not actually being, competent in their chosen field. But as practices change so do habits of mind and expectations. As students are awarded ever-higher grades, over time they will begin to believe that they deserve such grades. If this practice begins early enough, say in middle or secondary school, it will become so entrenched that, by the time they reach university, any violation of it will be taken as a grievous and unwarranted denigration of their abilities. Perhaps somewhere deep down they know, as do we, that their degrees are worthless and their accomplishments illusory. But anyone who challenges them will very likely be hauled before an appeal board and asked to explain how she has the temerity to tell them their papers are hastily compiled and undigested piles of drivel unacceptable as university-level work. The customer is always right. As one vice president I know of states on her website, she promises to provide “one-stop shops” and “exceptional customer service” to all. Do not let the stupidity of this statement fool you into believing it is in any way benign. The sad truth of the matter is that it more accurately describes the manner in which modern universities operate than the version I am arguing for here. We no longer have “students” — only “customers.”
None of what I am describing here is ever said in so many words. It doesn’t need to be, because in this regard the university operates much like a reality television show in which overt scripting is unnecessary, because everyone — the participants (students) as much as the directors (professors and administrators) — knows the script by heart: be outrageous, stupid, vulgar, and then cloyingly sentimental to bring the whole story to a satisfactory conclusion. The university’s narrative is not quite so lowbrow but it is just as scripted and just as empty: fill your classrooms with the rhetoric of experiential learning, e-learning, student-centered learning, lifelong learning, digital literacies and so on, and then top it all off with superlative grades to confirm the truth of the rhetoric, QED. Thus you may dispense with real learning and real intelligence, just as reality television has dispensed with reality.
We really need to end the student loan program. Or at least reform it.
“The 1%” “Escaping” To Mars
A dumb piece at Newsweek.
On the other hand, here’s a smart piece from Eric Berger: We’re going back to the moon, with or without NASA. Absent a major change of attitude in Congress, probably without.
Galloping Gertie
This is interesting. After all these decades, it turns out that the Tacoma Narrow Bridge failed due to flutter, not resonance. They’ll have to rewrite a lot of texts.
I find it amusing that they note it “only” cost $0.75 to cross. That was actually a lot of money in 1940. Comparable to modern bridge tolls of $5 in the Bay area.