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About dragonfly

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  • Birthday 04/10/1950

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    Music, electrical engineering

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  1. I guess some people don't know that Metrocenter was conceived in the late 1960's as a 'better' use for flood plain. I mean a huge area without buildout in the middle of Nashville needed to be put to use with a seat of the pants levee and all. How well that worked for downtown Nashville was seen in 2010. Really. Pipsqueak increase in flow volume, infinitesimal compared to flow increase with river cresting. And how far downstream would the dredging go in order to get this enhanced volume conveyance? We talking half a trillion dollar project or what? May be of interest to give my anecdotal experience with this. First off, there are 4 government entities involved in controlling flooding in the Houston region, the two biggies are the Army Corps of Engineers and the Harris County Flood Control district,. The other two, the cities, mainly Houston, plus the state, control waters on the thoroughfares and the related pumping systems which every few years are overloaded. And what is never done is dredging. Admittedly it was done in the 30's ~ 60's by the Corps to deepen AND widen the bayous. How could this be done on a river? The only dredging is to maintain the Houston Ship Channel (the lower Buffalo Bayou on the east side) for shipping. And dredging to return sand to the beaches in Galveston County. But I saw proof of the efficacy of retention basins with the two times my house flooded. White Oak Bayou *(photo) presented 16 inches of water in my house from tropical storm Allison in 2001. Hurricane Harvey pumped untold trillions of gallons to the region in 2017 and I received 8 inches in my house. Big difference but even bigger difference to someone I know who lives 5 miles upstream from me. She got two feet in her house from Allison and 2 inches from Harvey. It seems reasonable to assume that a gigantic retention basin put in by Harris county made the difference. I was sad to see the forest get ripped out from the flood plain to go deeper but that had to be the difference, The new basin is 10 miles from me and 5 miles from her. Here's what I found on Metrocenter history: Metrocenter: Nashville’s Little Flooding Problem | Because I Can (wordpress.com)
  2. Removing mass from a river bottom doesn't leave space for floodwaters because the dredged space immediately fills with water at the dredging. What is needed is flood plain or retention basin space. Which was reduced by your mis-engineered Metrocenter reclamation. Trust me I'm in Houston, we see how this all works (or not) down here.
  3. Wondering if the contributor knows firsthand of that "type of educational experience", you know, from experience. If not, then where such knowledge based judgement may have been engendered would be the question, assuming it isn't based on crass, class resentment. As for consistency, contributor would surely feel the same about all college campuses you would think. Since I graduated MBA, can say for sure I would have been a screw off otherwise in co-ed public school, based on my 7~9 experience before transfer to the Hill. And I was not a child, since that "type of educational experience" is not for children. No doubt yours truly would not have been able to handle higher mathematics for 2 subsequent engineering degrees if that would be the "type of educational experience" I was looking for post-secondary, which I was.
  4. Read again. My previous post. Wind is 16% of Texas installed capacity at 28,000 MW, the capacity of 15 very large, normal, non-fanciful power plants. Solar capacity is at 3110 MW putting the total capacity at about 19% combined wind and solar. A total waste that could have been spent on reliable sources to help us out during the disaster. And I haven't seen any of you guys acknowledging that you have a clue how much has been spent on dedicated transmission lines for the fanciful "green" power in Texas, paid for out of the pockets of rate payers as surcharges. Again, I see it on my bill every month. A total waste. Enough to build several normal power plants, quote: "Investments in infrastructure are paid for by electricity customers and taxpayers, and our state spent more than $7 billion to build out the CREZ Transmission Lines for wind and solar generation." Link: Texas energy commissioner says grid spending placed green politics over reliability (worldoil.com) This is money that T. Boone Pickens tried to raise in equity markets 12 years ago, and failed. For a very good reason, the markets know a boondoggle when it comes along. So this money has to be forced out of us by the so-called "unregulated" system in Texas, that cause for the disaster, the cause you've been hearing about on NPR, absence of regulation.
  5. Of course "we" did. "We" went along with the dream. The dream of a future with no heat engines. That's why we're down to 20% coal fired from 33% in 2014, you know, the ballyhooed "green economy" and all that. At the cost of lives. quote: Texas produces more electricity than any other state, generating almost twice as much as Florida, the second-highest electricity-producing state.101 Natural gas-fired power plants supplied more than half of the state's electricity net generation in 2019.102 About 5,000 megawatts of Texas coal-fired generating capacity have been retired since 2016.103 As a result, coal-fired power plants supplied less than one-fifth of state generation in 2019, down from about one-third as recently as 2014.104 Wind-powered generation in Texas has rapidly increased during the past two decades.105 In 2019, wind energy provided more than one-sixth of Texas' generation.106 link: Texas - State Energy Profile Analysis - U.S. Energy Information Administration (EIA)
  6. This leaves out one big elephant in the room. Not only has $billions and billions been spent on wind and solar in Texas, with a good proportion coming from taxes to cover subsidies and tax credits, but $billions and $billions have been spent on transmission lines to carry that "renewable" energy across hundreds and hundreds of miles from the the Panhandle and West Texas to the big metros PAID FOR by all rate payers in Texas as a surcharge on our electric bills. I've been paying it, and got to depend on my own generator last week for the privilege. Not only were solar panels covered in snow, there was no unobscured solar flux on Monday the 15th when it was most needed AND aggregate wind velocity across those turbines was significantly lower than average on all the days power was most needed. Including the turbines disabled by ice. The point being that those many $billions could have been spent on normal power sources with ability to respond quickly to demand. AND not to mention the accelerated depreciation schedule put in place during the Obama years with the required accelerated decommissioning in Texas of several functional coal fired plants in the last 10 years. So that we could be privileged to feel so good about ourselves with our newish fanciful interruptible power sources. To save the planet or something.
  7. Since I lived through this receding disaster, how about this take: "Like Austin, but without dependence on undependable and fashionable power schemes."
  8. I was shopping at that ^^^ location mid '70's when I was living on Brightwood near Belmont BL. Harris Teeter was not a thing then. Does anyone know if it was a Kroger at that time? Here's how HEB does it, they put cafe seating along one row of windows, and escalators along another row from 2nd story parking at this Houston site: The above and one other multilevel HEB are < 2 miles of my house. The other 2 multilevel HEB stores are single use, have parking down and shopping up, and all 3 being urban sites, display artwork from local artists. The largest grocery in the Houston region is the HEB in suburban Cinco Ranch, 1 level. Take a look at this 2 level monster in somewhat dense suburban Bellaire to see how windows are utilized: New Two - Story HEB .... - Bing video BTW the intense competition between Kroger and HEB in Houston drove out Albertsons and Safeway and has almost obliterated local chains Randall's and Rice Epicurean. If you have never seen Boris Yeltsin's first experience of an American grocery, you should look up the video with translation of his amazement; that was a modest Randall's near NASA in Clear Lake.
  9. According to the below piece, Tennessee net Uhaul inbound traffic for the first time outgrew the same for all other states in 2020. https://www.oann.com/more-americans-moving-to-conservative-states-during-pandemic/ To try and understand what this measure actually is, it seems that this is the growth, in numbers, year over year, of net Uhaul traffic into a state. Here is how they explain it: https://www.uhaul.com/Articles/About/22746/2020-Migration-Trends-U-Haul-Ranks-50-States-By-Migration-Growth/
  10. Can u folks comment on the collapsed building that national news orgs report on?
  11. I suppose my dollars helped on that. No more, my $500 annual gifts stopped when the snowflakes decided to get all offended/butt hurt at the statue of boy scout Sam Davis.
  12. I know this would be of limited interest, but yesterday Alice Dietz, 90, got her first visit to Nashville handled off her late life bucket list. She's a Chicago gal who's lived in two states, now living alone near Orlando in a single family home & still driving, in fabulous health. My brother's mother-in-law, she may have passed thru on I-65/24 decades ago. Probably future Tennessean when she moves in with my brother and sister-in -law in Chattanooga when the time comes. I had to laugh - brother said her eyes nearly popped out, as they hit the District by car on Saturday afternoon. He says there are now things looking like barges filled with revelers and I guess pulled by fifth wheel equipped trucks? Bachelorette parties? They stayed overnight in Franklin.
  13. Tennessee in the headline and Nashville, Memphis in the body of this Fox Business report on migration out of high tax D states. Quote: "Meanwhile, Paul Singer is the latest Wall Street big wig to reportedly relocate his $41 billion hedge fund from New York City to Florida. Peebles believes 'Democratic-socialistic leadership' and 'the tremendous turn to the left' are to blame." https://www.foxbusiness.com/real-estate/texas-florida-tennessee-nyc-entrepreneurs
  14. We have a lot of goofy growth in Houston since no one can tell you where you can or can't establish honky tonkin business or any business. Except the city when it's too close to a school, or the civic association or commercial district, if you are building and they don't approve it. In fact Houston has no zoning and never had zoning. Making it one gigantic urban goof ball. It's what goofy growth does, other than gigantism of the pro-business variety.
  15. Impressive that Belmont is taking that step, for the 3rd med school in Nashville. Dont know if yall know this but Austin just got its 1st med school a few years ago when Michael Dell, billionaire, put up most of the money for the UT school. The city hospital, Brackenridge, had a long relationship with UT various life science and engineering programs, and I took a class at Brackenridge as part of the biomedical engineering block at UT (from Austin's first cardiologist Tom Runge). The city just tore it down and transferred operations to the new Dell-Seton medical center across the street, so UT is not managing the med center, Seton does. The healthcare footprint in Austin has been pretty lightweight and I have always mentioned this on the blogs over the years when ppl are deciding between Austin and Nashville for relocation. I don't know if there are any transplants done there; as of 5 years ago you had to go to San Antonio for a transplant.
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