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Comment Re:fuel weight (Score 1) 81

in theory, if you can land the rocket back on dry land, you can refurbish it and reuse it for enough less than the cost of the extra fuel/landing gear/etc to make it a net cost reduction over several launches.

yes, you are losing some mass fraction of orbital payload, but if the cost savings are sufficient to justify the extra initial expense, then it is a win.

Comment Re:This is not the problem (Score 1) 688

The richest company in the world (Apple) makes products that are only intended for a very small percentage of even a wealthy nation's population (46.3% of households with iPads have income over $100k [comscore.com]).

What percentage of the US population has a household income of over $100k? In a two-income household, that's $50k each, which isn't a particularly high income here.

Comment Re:been there, done that (Score 2) 280

Case in point: One 'liberal arts' friend of mine plays the king of the White Walkers on GoT. Another works on The Daily Show. How's your job look now, keyboard monkey?

Pretty darn good.

You have one friend who plays a minor, non-speaking role in a popular TV series. How much did that net him, and how long is that job likely to last before his out looking for another one? You have another friend who "works" on The Daily Show. That could range from really impressive (he hosts it) to the rather unimpressive (he cleans up the studio after everyone's left).

I guess if you get your job satisfaction from tossing around the names of well-known TV shows, that's a good gig. I prefer job security and a good paycheck.

Comment Re:Graduate School (Score 1) 280

My first degree was a bachelor's in psychology which I got in the '80s. In the '90s I inherited a 286 computer and taught myself programming. I decided to switch careers so I went to night school. After getting an associates in computer science I was able to get on the ground floor in software engineering. My employer paid for additional night classes and after a decade or so managed to get my Masters in computer science.

Comment Diary entry from 2150 (Score 1) 440

Told kid about nano-cam dust today. He's only 4 years old, so he didn't know about them yet, and I'm trying to teach him basic hygiene. I explained for that for nearly a a hundred years we have all lived in an environment where other peoples' cameras are always in our homes. We track them in, on our shoes. The AC intake blows them in. The servers the cameras send video too, aren't owned by people who are practicing subterfuge. It's not like they snuck "spy" dust onto our porches in the hopes we'd track them in. It just happens; it's an inevitable consequence of the stuff blowing around everywhere.

My great grandparents complained about it. They thought they had a reasonable expectation of privacy in their homes, because nanotech was new. They didn't see the dust, so they didn't know it was there. In the absence of sensual confirmation, the default expectation (at least to the layman) was that it wasn't there. That was naive, but my grandparents didn't work with nanotech or even use consumer models themselves, so perhaps their ignorance could be forgiven. (Just as my own ignorance of hyperspace can perhaps be forgiven, since I'm not a miner.)

My grandparents, though, grew up with the stuff, though it was still a bit expensive, so it wasn't totally ubiquitous yet. By their time, almost everyone at least knew about it, and if in a gathering of any five people you were to say "nobody sees me inside my home," chances were there would have been a few guffaws and someone would likely point out that the statement was likely incorrect. Sometimes the stuff got innocently tracked into your house, and sometimes it was manipulated into getting there, through subterfuge. The law and social norms lagged, though, and people debated privacy a lot.

By the time their children (my parents) grew up, though, it was all over. Everyone knew about nano-cam dust, and unless you did a rad-flash a few minutes earlier, fucking in your own bed was just as public as doing it in Times Square.

And now my kid knows too. It's just something everyone is expected to know about and deal with. If I were to write a story about it, I think I would set the story in the time of my grandparents, back when society was truly conflicted and in the midst of change. I bet those were interesting times.

Comment Re:Traffic Furniture (Score 3, Informative) 611

Yes, this works extremely well in Berkeley too. There are neighborhoods on both sides of Ashby (hwy 13) and along various other routes, but the streets are relatively quiet because traffic furniture either prevents entry from Ashby or directs the flow such that there's no point using them for the commute. And they don't inconvenience the residents either. For a resident or for local travel, entering and exiting only adds a few seconds. For a commuter, trying to use residential streets just doesn't work.

The barriers seem to be favored over speed bumps. Over the years the speed bumps have been made softer (15 mph bumps now instead of 5 or 10 mph bumps), and are generally concentrated only in areas that simply cannot be blocked off for fire and other safety reasons.

-Matt

Comment Why not ask who are in charge of defining words? (Score 1) 173

If you were going to ask a "someone" how they meant to define "derived work", you would ask Congress, not the author(s) of one out of a million contracts which happen to make use of that term.

You're right that it's upsetting that (mostly) people who don't really work with copyright would end up answering it, but that's the nature of law, or at least until you start electing[/appointing/etc] authors. (Cynic: or until those people start funding election campaigns.)

It's only after you have determined that something is a derived work, that you go study licenses. Until that point, licenses are irrelevant.

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