jnw2

9 ms·

31.
by jnw2 13y ago
Also, Consumer Reports has recently had some very positive things to say about the car.
32.
by jnw2 13y ago
I think if we can figure out how to get 40% efficiency solar panels (which have been made in labs, but not mass produced) embedded in electric cars' paint, we're looking at about 1 mph of range added per square foot of solar panel (400 wh p
33.
by jnw2 13y ago
There's a recent Consumer Reports video on YouTube where the three people discussing the Model S all seemed to think that if they were trying to spend $90k on a car, they'd get a Model S and not something else.
34.
by jnw2 13y ago
The 60% was specifically about a good, big GE combined cycle natural gas plant. I was under the impression that for a purely steam powered generator, such as you have in a coal or nuclear plant, significantly less than 60% of the heat turn
35.
by jnw2 13y ago
I'm pretty sure the MBTA has some gasoline hybrid trucks that can provide power to tools; I forget who makes them, but it's one of the usual major automakers (but was from a very limited production run).
36.
by jnw2 13y ago
How do people expect prgmr.com compares with linode in terms of security?
37.
by jnw2 13y ago
SpaceX's Grasshopper project is likely to make the price come down a lot RSN.
38.
by jnw2 13y ago
Whether future demand for lithium includes less than 1% of the new cars sold in the US, as is true today, or near 100%, is in large part a function of the price of lithium. Most car buyers would probably love to have an 85kwh battery pack
39.
by jnw2 13y ago
Spinning reserve ought to be replaced with batteries. I bet some of it could be replaced with batteries today with the utilities' customers saving money, aside from the sunk costs not then providing the proper return on capital to their in
40.
by jnw2 14y ago
Will the safety work reliably in a multithreaded environment?
41.
by jnw2 14y ago
Are you including 10" tablets in your comments about on screen keyboards being unusable, or just 4" phones? (I've spent very little time actually using 10" touchscreens, but got something like 90% accuracy on the first sentence I ever typed
42.
by jnw2 14y ago
smartos does seem to be missing an X server you can run in the global zone on the physical machine's physical video port(s), though, which makes it pretty useless for a home computer (which otherwise would be a great place to start playing
43.
by jnw2 14y ago
Maybe you should pay to have built a batch of a thousand custom boards that are similar to, but not exactly the same as, the standard Raspberry Pi, so that they have a proper serial port etc. You could also consider putting more than one AR
44.
by jnw2 14y ago
Life in prison for a police officer who commits perjury might carry a risk of convincing the honest potential police officers who don't quite trust the system to not become police officers, while not deterring those who have no long term fe
45.
by jnw2 14y ago
Something along those lines is perfectly normal for people with faceblindness.
46.
by jnw2 14y ago
Hurricane Electric seems to have built their network by installing a router at every major peering point in the world, connecting each router to the local public peering point switch, and then interconnecting those routers. If you want rea
47.
by jnw2 14y ago
Also, you probably want to pick some community to affix to all routes you learn from your customers / originate yourself, and to make sure isn't affixed to routes you learn from your upstreams, so that you can then have a route map check fo
48.
by jnw2 14y ago
Also, do a Google search for bgp localpref and at least skim some of the articles that come up there and some of the things linked to from those articles.
49.
by jnw2 14y ago
Also, playing with looking glasses can be helpful in understanding what's going on with BGP from the perspective of other networks. http://www.bgp4.net/wiki/doku.php?id=tools:ipv4_looking_glas... has a list, which doesn't seem to include
50.
by jnw2 14y ago
I ended up learning most of what I know about BGP not via a book, which makes that hard. But basically, back in the days of 16 bit ASNs, communities were just 32 bit values that were attached to routes being advertised by BGP, usually expre
51.
by jnw2 14y ago
If Virgin Galactic can get the costs down enough, the really exciting thing about what they are proposing to do is turning 18 hour airplane flights into less than two hour suborbital flights. Even if you don't care about space for the sake
52.
by jnw2 14y ago
Do you have traceroutes that demonstrate that the path goes through Cogent and AT&T in both directions? Asymmetric routing is extremely common for things like this.
53.
by jnw2 14y ago
If the problem turns out to be that AT&T and Cogent's peering links are overloaded, and the links between AT&T and Hurricane Electric don't have similar problems, then your border routers should be setting localpref to something low
54.
by jnw2 14y ago
If Comcast is not directly a customer of he.net or cogent, then it is likely that each has multiple routes available that they could use to send traffic to Comcast. Have you explored whether getting them to pick a different one would impro
55.
by jnw2 14y ago
http://en.wikipedia.org/wiki/Peering has a list of historic peering disputes, but doesn't really seem to have a good pointer to the details of the Exodus dispute. Typically, national backbones use hot potato routing when peering in lots o
56.
by jnw2 14y ago
It's entirely possible to get IP space from one upstream provider and then announce it to multiple upstreams under your own ASN.
57.
by jnw2 14y ago
Is linode announcing their own netblocks under their own ASN, though? My impression has been that you have more diversity of immediate upstreams than linode...
58.
by jnw2 14y ago
Dreamliner customers got a choice of GE or Rolls Royce for the engines. Would there be anything unreasonable about Boeing also giving their customers a choice of Thales/Yuasa or Tesla/Panasonic? If a Boeing customer has been informally talk
59.
by jnw2 14y ago
http://www.teslamotors.com/forum/forums/dreamliner-batteries... implies that Tesla battery packs do a better job of containing thermal runaway than many other battery pack designs; it may be that simply replacing the Dreamliner's current
60.
by jnw2 14y ago
Thanksgiving travel is an interesting question, though. Amtrak certainly finds that there's a huge demand spike at Thanksgiving that just doesn't happen at other times of the year.

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