Search results

  1. J

    Something Random

    If that's the case then there's no real reason why alternators and generators wouldn't be similar in size for any given output. Alternators generally require lower maintenance which is why I suspect they replaced generators in motor vehicles. The "downsizing" was just a result of technological...
  2. J

    Something Random

    Electronics will be able to do the boosting and lowering in the not too distant future. This has more to do with the fact that those old DC generators used permanent magnets which weren't all that powerful (hence the much larger sizes). Alternators use field windings instead. Much of the...
  3. J

    Something Random

    Given the prevalence of electronics in homes these days it may well make sense to have a low voltage DC distribution system inside buildings. I'm thinking something like 48VDC. This avoids the need to rectify and filter 120VAC before stepping it down to voltages electronics can use. The switch...
  4. J

    Something Random

    I vaguely recall that I did but I'm not 100% sure. I do remember seeing Silent Running in the theater but I'm just not sure if I saw Soylent Green also. The odd thing is some of this dystopian science fiction is becoming fact, such as the global warming in Soylent Green. It may be that any...
  5. J

    Something Random

    I have a lingering fear of ending up in Soylent version 8.0 when I'm no longer of any use to society. Remember world hunger problems caused by overpopulation will only make things worse by mid century. Who knows if the creator of Soylent will start altering the formula to include people by then...
  6. J

    Intel Skylake reviews (i7-6700K)

    There's a whole bunch of reasons for that. We're approaching the limits of lithography which means we can't easily make smaller, faster transistors. On top of that signals propagating through silicon face issues of their own as speeds increase. If you think about it, in one clock tick with a...
  7. J

    What Big Drives are you buying now

    This is worth a read: http://www.theregister.co.uk/2014/11/10/kryders_law_of_ever_cheaper_storage_disproven/
  8. J

    What Big Drives are you buying now

    I'm personally holding off any purchases of large drives (to me that's anything 2TB and over) for a few years until large SSDs get close to price parity with mechanical disks. My 2TB drive isn't even half full yet. Moreover, given the tiny size of the magnetic bits needed to reach these huge...
  9. J

    Dunkin Donuts' CEO's Comment Regarding New York State Minimum Wage Proposal

    It's worth noting a family making $200K US in a place like NYC is strictly middle class. Sure, lots of people get by here even on $30K, but they're living on Ramen soup. It's exactly crap like this which should be illegal. Even from Wall Street's perspective this is bad business. Gut a company...
  10. J

    Dunkin Donuts' CEO's Comment Regarding New York State Minimum Wage Proposal

    There's a huge underground economy in NYC with cash wages below minimum wage. In particular, you have both Mexican and Chinese illegal immigrants working for in some cases $2 an hour. Amen to all that. The only sure thing in a capitalist economy is the rich get richer at the expense of everyone...
  11. J

    Samsung’s working on an 11K screen for smartphones

    I'm a big fan of ultra high resolution screens but even I think this is ridiculous in a 5.5" screen. The eye just can't resolve anything much smaller than maybe 0.05mm, even if someone has great close-up vision. That's 500 pixels per inch. The pixels on this screen would be 2,250 to the inch...
  12. J

    Something Random

    I actually soldered the broken off pin back on the one or two times this happened to me. It worked fine afterwards.
  13. J

    Something Random

    Thanks again everyone both for noticing I hit 3K, and joining me in the celebration. Now here's to 4K and beyond! Not that I'm there yet, but I may have another milestone coming up in my life soon. The Airborne titanium bike I bought on eBay in late 2011 might be coming up on 10K miles this...
  14. J

    Quiet Keys

    Amen to that! Not sure I'd even want to talk to a significant other on the phone that long on a regular basis.
  15. J

    SSDs - State of the Product?

    That's interesting. I'll be really curious as to the retail price. My longstanding theory here is the market for SSDs peters out once they start costing more than maybe $500 (and that's for the highest capacity "flagship" model). My reasoning then is the 2TB drive will probably need to come in...
  16. J

    SSDs - State of the Product?

    If my assumptions are correct, this should mean Samsung increased the number of layers in their V-NAND. That should mean large price drops in their smaller size SSDs. I'm hoping 1 TB drops under $200.
  17. J

    Something Random

    Thanks, guys! I know 3K posts pales next to some of the others here but it says a lot for this place that I've stuck around long enough to get there at my less than proficient posting rate. If I continue at my present posting rate I'll finally get to 10K around maybe 2047 or thereabouts. :) And...
  18. J

    I want to buy a new car

    It's a people problem. In Japan for example public transit is spotless (and I'll guess their private autos are also). Here in the US people think of their car as an extension of their living room. And in some cases their bathroom. :hurl: It may be too late to change your lifestyle but then...
  19. J

    I want to buy a new car

    Have you considered the off-grid lifestyle? Nothing wrong with rural living if you rarely need to travel. I don't doubt that. A lot of people in this city are just slobs. I've seen personal cars here which are so gross they make the filthiest bus look antiseptic. You know a car is filthy when...
  20. J

    I want to buy a new car

    Buses? In general buses suck compared to rail transit. I get physically sick riding any kind of ICE-powered vehicle, whether it's a bus or a car. Trains and bikes are fine, though. Never got sick on either. It's a good idea to check for "foreign matter" before you sit down anywhere, even a car...
  21. J

    I want to buy a new car

    Not sure what you mean by that unwashed masses comment. People from all walks of life ride public transit here simply because it's faster than most other options. Incidentally on average a car costs a person $300K over their lifetime. Had you lived your life without one, you could have been...
  22. J

    I want to buy a new car

    Yep. Bike and/or public transit is the way to go. Your $983 could have bought a very nice bike, or over 200 round trips on the NYC subway. For what it's worth, particularly in a place like NYC with congestion, both of those options are typically faster than driving.
  23. J

    Transparant aluminum

    It looks to me like either a matte surface, or it's in a plastic bag. Either one would explain the less than optically clear properties. I imagine if polished out it would be as clear as glass.
  24. J

    Something Random

    Not to mention that those are continuous HP ratings. Typically you can overload an electric motor by 50% to 100% for a short time, assuming the battery can supply the power. That could give you in excess of 400 HP. Given electric motor torque curves, that's probably equivalent to a 500 or 600 HP...
  25. J

    Something Random

    More or less my feelings also. Although nothing happened to anyone I know, I've seen the negative impacts cars are having in NYC in terms of carnage, pollution, and overall quality of life. I'd just as soon that they disappear from large cities altogether. Never had a driver's license either but...
  26. J

    Something Random

    Regarding plan C, my brother has actually been seriously thinking of doing an EV conversion on his Mark VIII when it finally dies. It still may last a while, which I guess is good as battery technology will only get better. I think this car would be a perfect EV conversion. It's already very...
  27. J

    HOT

    That really sucks. Here is an interesting idea if your tap water is relatively cool in the summer. I think they might also make regular air conditions where the condenser is cooled with tap water instead of a fan and heat exchanger. I personally feel very uncomfortable once a room gets much...
  28. J

    HOT

    My first answer was going to be maybe the electrical lines aren't up to par to carry the load but given all the computers Merc runs that's highly unlikely. Either it's a central air unit for the entire building which the landlord refuses to fix, or this is one of those buildings which for some...
  29. J

    Web-aware TV sets

    This is kind of funny because for years one of my sister's coworkers insisted that the government can spy on you through your TV (but according to her only when it's off). Now this was back in the days of analog NTSC TV, making her entire fear tin foil hat material. It's a bit ironic how this is...
  30. J

    HOT

    Duplicate post-please remove.
  31. J

    HOT

    When you consider that residences typically hold a temperature of maybe 20°F to 30°F above ambient due to insulation and power dissipation from various appliances you can probably drop the lower end of your range to 40°F or 50°F, perhaps even 30°F for a very well insulated home. It's also worth...
  32. J

    Something Random

    For what it's worth chances are good the cat would have survived if it had fallen from the plane. Fatality rates for falling cats peak at around 5 stories, and go down from there. In general though the survival rate in very high when cats fall from hundreds of feet up.
  33. J

    Windows 10

    Nearly the same for me. Mine was a 386/33 with DOS 5.0 and Win 3.1 and 4 MB RAM. I soon upgraded to a friend's spare 386-40 which I maxed out at 16 MB of RAM. I also put in a 387 math coprocessor (anyone remember those). This was c. 1998. The machine was dated even for its time but it served me...
  34. J

    This makes me glad that I'm not an AT&T customer

    I'm not surprised at any of that. Both Verizon and TWC have virtual monopolies in large swaths of the city. And both suck in their own way. If you have service problems, you'll get lip service and maybe in two weeks someone will come by to see what's the problem. I had to fix my last issue on my...
  35. J

    This makes me glad that I'm not an AT&T customer

    The real question here would do they have a legal monopoly in these areas? Obviously in that case they're obligated to provide service regardless of whether or not that service is profitable in each and every case. If not, they might still be obligated if they accepted government subsidies to...
  36. J

    This makes me glad that I'm not an AT&T customer

    For what it's worth, there are places in NYC where you can't get decent internet access. Granted, it's not that many but they exist. That said, AT&T or anyone else shouldn't make promises they can't keep. That's really the heart of the issue here. They promised something which in the end they...
  37. J

    This makes me glad that I'm not an AT&T customer

    In all fairness to AT&T it looks like a lot of the places where this is happening are in the middle of nowhere. It's just not profitable to run the same array of services to areas where you have houses on 1 acre or 5 acre lots. People have to expect if they choose to live in a place like that...
  38. J

    Something Random

    Honestly, I'm surprised the networks are even in the top 25. I haven't regularly watched any of the major networks for decades. I want to say back in the 1970s their programming went down hill. Other than HBO, I'm surprised more of the movie stations didn't make the top ten. Many of the channels...
  39. J

    HOT

    Actually temperatures can start to become dangerous even as low as the 90s if humidity is high. Anything much over about 100 to 110 is incompatible with human life in the long run.
  40. J

    Interesting Performance Comparison

    While on this subject, embedded microcontrollers of the type you might find in a microwave or refrigerator or washing machine these days offer more computing power than something like a 486 did c. 1990 while having a power draw measured in at most tens of mW. That's a huge leap forward. The...
  41. J

    Windows 10

    While we're at it, it's not even clear if installing the update will mean you lose all your settings and installed programs. If that's the case, no thanks, not interested.
  42. J

    Memorial Day.

    Not surprising when you consider the youngest ones are probably 87 or thereabouts, and most are into their 90s. On another note, the last surviving WWI vet died in 2012 at age 110.
  43. J

    Something Random

    Not a good way to start your day although there are some things a lot worse (scroll down to bottom of page).
  44. J

    Power weirdness

    What's the failure mode? Does it look like the electrolytic caps in the supplies are bulging? That might be symptomatic of too much heat. Incidentally, with the push to have quieter power supplies new supplies will have less airflow, and therefore higher internal temperatures, than many noisy...
  45. J

    Something Random

    Cable clips? Cable hangers? If you post a picture maybe someone here knows the name.
  46. J

    Something Random

    Horseshit was actually one of the reasons people gravitated to automobiles back in the 1920s. Of course, we're not ever going back to horses in cities. It's frankly as bad as cars, and PETA would never allow it anyway. ;)
  47. J

    Something Random

    Read it a few days ago. Great article. We're basically going back to the past here, making cities as they were before automobiles took over.
  48. J

    Something Random

    Actually most of the vehicle miles and gas usage are outside of big cities. You can effectively ban cars from some of the large cities in the US but it will hardly make a dent in gas use. That said, the transition to electric vehicles is inevitable. Big oil only succeeded in delaying it, not...
  49. J

    Something Random

    Actually if you mostly get around the city by walking, biking, or public transit having cars around makes things horrible. Cars are tools, but like any tool there are good and bad uses. Private automobiles are better suited for rural and some suburban areas. Inner ring suburbs and cities would...
  50. J

    Tesla Powerwall

    Yeah, it is pretty pricey here: From Date To Date Elec Use (Kwh) Elec Demand (Kw) Con Ed Electric Bill Amt ESCO Electric Supply Amt Gas Use (Therm) Con Ed Gas Bill Amt ESCO Gas Supply Amt Total Bill Amt 03/27/2015 04/27/2015 810 0.00 $128.60 $107.75 7 $26.17 $4.63 $267.15 02/26/2015...
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