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  1. F

    When to retire?

    My advice would be to carefully and thoroughly go through your expenses and calculate how much you think you'll need per year to live like you do now. Then carefully figure out how much you'll be able to withdraw from your investments per year to maintain that level of total income. After doing...
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    Coronavirus

    We're mid-50s.
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    Coronavirus

    Here's the last update on my wife's breakthrough case (Pfizer in March+April). She's basically back to normal. Taste and smell have returned. I looked back at my posts on this and here's an overview: 07/10 - we assume this was the exposure date 07/13 - very minor symptoms (occasional sneezing)...
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    Coronavirus

    My side effects from the vaccine shots were the same: a quarter-sized area around the site that felt bruised. Lasted a day or so. Wife's side effects were different: nothing on the first shot and a little soreness on the second shot. I don't think she's more prone to illness. She did suffer...
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    Wiki Super Heavy/Starship - General Development Discussion

    Am I the only one who sees this as a bug and not a feature? You have three nozzles for space and three for in an atmosphere. All six will be required to achieve LEO and they'll be alternately underexpanded and overexpanded along the way. I'd much rather see Musk have his (excellent) engineers...
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    Coronavirus

    Interesting discussion going on here. I wanted to post an update on my wife and document a few things (someone here might find them useful). She's at, I'd say, around 95% recovered after three weeks since her initial exposure. Saturday 07/10: what we think was her initial exposure to the virus...
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    Coronavirus

    I hesitated on writing "congestion" because her nose isn't clogged up or runny. She describes it as "pressure" behind her eyes. She had terrible headaches for a couple of days. I assume this is due to some sort of inflammation and/or coating. How do you lose your sense of smell and/or taste???
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    Coronavirus

    Update on our breakthrough case, if anyone's interested. Eight days in and my wife's doing fine but there are two lingering issues: fatigue and lost sense of taste/smell. She takes a nap every day, which is unusual for her. The main thing that's driving her batty is the total loss of taste. I've...
  9. F

    Coronavirus

    Just received my test result: negative. The CVS page says this for the "component": LabCorp/Helix SARS-COV-2 RNA, QL NAAT, RT PCR/TMA I really didn't need to see the results because I feel perfectly fine. What baffles me is that I clearly have been massively exposed to this virus. We didn't...
  10. F

    Coronavirus

    Our daughter tested negative for CV19 using the rapid test (antigen?). She had the J&J vaccine back in April and had a pretty strong reaction to it. She felt fine after the shot but was sick when she woke up the next morning. IIRC, the sickness lasted around 12 hrs. I should get my results by...
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    Coronavirus

    Had the Pfizer vaccine in March+April, so around three months ago.
  12. F

    Coronavirus

    She felt nothing on the first shot. A little sore around the injection location on the second. That's all. I had the same reaction on both shots: about a quarter-sized area around the spot that felt bruised for a couple of days.
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    Coronavirus

    I haven't posted in a long time but I wanted to post an update. My wife started sneezing last Tue/Wed then got "sick" on Fri. I took her to CVS on Sat morning for a nasal swab test. She received results this evening: POSITIVE. This is our first and only positive result. Both of us had the...
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    Which vaccine did you get?

    I don't know but I'm leaning towards the medicine causing the soreness. Of course, if someone screws up giving the shot then that can factor into soreness! I believe both of my shots were by nurses. The first had excellent technique and I didn't even realize it happened (she applied the...
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    Which vaccine did you get?

    We got our second Pfizer shots yesterday. After reading stories here and elsewhere about reactions following second shots, we had prepared for feeling sickly afterwards (had easy food ready to go, Tylenol, etc.). Well, we're both doing fine 36 hours later. Both of us have soreness around the...
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    Coronavirus

    Our daughter got the J&J shot today at college. Said she really didn't feel it and is now no longer afraid of shots :) Note: she became afraid of shots following two rounds of the nasty Rocephin shots in her thighs back in 2008 or 2009 during the Swine Flu outbreak. She was hospitalized for one...
  17. F

    Coronavirus

    We got our first shots of Pfizer around noon. They must use tiny needles because I couldn't tell that the nurse jabbed me (I haven't had a shot in years). Anyway, this evening my only "symptom" is soreness in an inch diameter area around the shot. It feels like a bruise. Not sure if that means...
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    Coronavirus

    GA lowered the age minimum last week. We now, ahem, qualify :) Getting our first shots tomorrow. We've talked to several people who have had the shots and they reported no symptoms afterwards (other than pain at the injection site). Hopefully, we'll continue the winning streak.
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    Coronavirus

    Are there any reliable stats on complications from the various Covid vaccines? I've read here and on other places about people feeling sick/having a fever after the second dose of the mRNA vaccines. My neighbors had their second doses a couple of days ago and had zero complications. They're in...
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    Coronavirus

    My post above wasn't terribly clear. The examples I gave were showing how, even ten days after symptoms started and the people were feeling much better, a tiny bit of exercise would bring back the extreme fatigue. I should have emphasized that the extreme fatigue, without any exercise, was their...
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    Coronavirus

    One of my sisters up in VA got it recently. Her husband, too. They're both microbiologists (and are retired from big pharma, etc.). Anyway, they had a somewhat different course through the thing from other people I've known. Their main symptom was extreme fatigue. No fever, no dry cough, no low...
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    my S is a different car in winter vs. summer

    Not to go too far off topic but I'd place freezing drizzle (FZDZ) a notch above freezing rain (FZRA) on the danger scale. Why? Because FZDZ is insidious. You're driving along with just a little mist hitting the windshield then, blam!, you cross a bridge and spin out. At least with FZRA you're...
  23. F

    SpaceX Starship SN9 experimental test vehicle

    SO MUCH DATA /s
  24. F

    New 2021 Model S Unveiled January 27, 2021

    What does "automatic powered liftgate" on the 2021 MS mean? Is it the same as current models or is it one of those "wave your foot under the bumper to open" things?
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    Coronavirus

    Is this virus different from others in this regard? I ask because we've all read of these wildfire events where everyone gets it at one time. There was the funeral in south GA, the sisters in San Antonio, etc. I personally know of two of wildfire/superspreader events. My wife's nephew got...
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    Coronavirus

    I assume then that it would be impossible to detect that a new virus was the result of directed evolution of a older virus since that process is fundamentally natural?
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    Coronavirus

    Is there any scientific way to determine that a virus comes from a lab? I guess what I'm asking are there any tell-tale markers in the virus genetics that point to manipulation? For example, and I'm *way* out of my league here, if you use genetic tools to cut out and/or splice in new code, does...
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    Wiki Super Heavy/Starship - General Development Discussion

    So we're already running into trouble landing the SH, which doesn't carry people and therefore is less critical. What does that say about SS which will supposedly carry people??? The SS landing legs/system need to work on the Earth, Moon, and Mars and can carry, what, 100 mT payload to each...
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    Fibre versus Starlink Discussion

    Don't know. IIRC, the fiber went from the poles along the road 100 yards or so to the short power pole 20 ft from the house, then underground to the side of the house for distribution. Seemed like a lot of customized work to go the last 150 yards when a wireless node at the street and receiver...
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    Fibre versus Starlink Discussion

    I'm definitely no internet expert but here are a couple of real-life examples to show why I think "fiber everywhere" won't work out: 1. We live in a far northern suburb of a major city (ATL) with over 500 homes. Upper-middle class. Underground utilities. It was built ~25 years ago. We have...
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    Wiki Super Heavy/Starship - General Development Discussion

    I thought SS was going to do everything? Now they're talking about customized versions for specific environments??? :) Have you done the math on landing and returning ~100 mT dry mass from the lunar surface to NRHO? You're going to need beefy engines to land successfully. To prevent debris from...
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    Coronavirus

    LA county went 71-27 for Biden in 2020 ... yet their numbers are way up: LA County Daily COVID-19 Data - LA County Department of Public Health Maybe it's only the Trump supporters causing those numbers to rise so much? What does the "science" tell you?
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    Coronavirus

    In LA County, positivity and deaths/day have tripled in one month: www.publichealth.lacounty.gov/media/Coronavirus/data/index.htm
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    Coronavirus

    I really thought that California was following the science ... yet here we are with CA daily cases/million soaring. How many more masks can they wear? How much more locked down can they get? Is it possible that the "science" is simply wrong?
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    Wiki Super Heavy/Starship - General Development Discussion

    The rocket equation applies at all times for chemical rockets. It was as applicable for Apollo then as much as for SpaceX, ULA, etc. now. The Isp for various engines are all comparable. There has been no technological breakthrough in chemical rockets since the 1960s and SpaceX's Raptor...
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    Wiki Super Heavy/Starship - General Development Discussion

    No, your bullet items are almost the exact opposite of why things happened the way they did. Everyone was centered on landing the whole thing that left LEO on the Moon (like SS). Whether it was launched from the surface in one piece or assembled in LEO (aka EOR), the whole shebang was destined...
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    Wiki Super Heavy/Starship - General Development Discussion

    Actually, a "Direct Ascent" mode like SS is legacy (it was the original plan for Apollo): Apollo program - Wikipedia Right down to using an enormous booster and/or a large number of refueling missions to LEO (SS requires both).
  38. F

    Wiki Super Heavy/Starship - General Development Discussion

    Goes from booster to LEO and back to the Earth's surface.
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    Wiki Super Heavy/Starship - General Development Discussion

    Segmentation enables reusability, performs better, and results in smaller/simpler pieces. F9's booster is a prime example. A lunar lander designed to only handle the LLO-to-lunar surface roundtrip is reusable. Some sort of LEO-LLO roundtrip ferry is more difficult but less complex than SS...
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    Wiki Super Heavy/Starship - General Development Discussion

    My mistake. There will be some sort of header tanks for RCS but I have to assume they'll be smaller/simpler if they aren't used for the big Raptors on landing. Here's a thread on NSF about potential RCS on SS: Starship Methox RCS Thrusters You can see the mess made by trying to create a...
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    Wiki Super Heavy/Starship - General Development Discussion

    All they need to do is rotate the body enough to where the remaining propellant in the main tanks covers the outlets then they can fire up the main engines with no problem. No need for header tanks, feed switching, etc. They're going to need a strong RCS system anyway, get that involved in the...
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    Wiki Super Heavy/Starship - General Development Discussion

    For these tests, the SS landing legs are stubby things inside the skirt. I don't think they had time to deploy ... not that it would have made a difference today. No one knows what the final landing leg design is going to look like. It's a surprisingly difficult problem. The ship is supported...
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    Wiki Super Heavy/Starship - General Development Discussion

    Is it truly a "relatively easy fix"? They've had years to design and simulate the horizontal environment and it failed on the first try. This scheme, switching tanks and feeds, seems to go against Musk's statement that "no part is better". I'd rather them concentrate on making the existing aero...
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    Wiki Super Heavy/Starship - General Development Discussion

    Good: 1. Control during ascent (very stable) 2. Control during fall (very stable) Bad: 3. Multiple engines eat themselves on landing (green exhaust == really bad) We haven't even gotten to the difficult stuff yet: 4. Reentry heat-shielding and control 5. Multiple refueling launches to...
  45. F

    I think that that we’re being ripped off...

    Don't worry. After having my 3P for over year, my neck is now the size of an NFL linebacker's :)
  46. F

    Coronavirus

    I thought New Mexico was following the science: How New Mexico Controlled the Spread of COVID-19 They must have stopped right around the time that glowing piece was published: New Mexico Coronavirus: 86,247 Cases and 1,428 Deaths (COVID-19 ) - Worldometer
  47. F

    Coronavirus

    No, time to start blaming the problem on the *real* culprit: the US senate.
  48. F

    Coronavirus

    My nephew (early 30s) in DC tested positive this week and has symptoms similar to my wife's friend that I posted about a while ago: continuous dry cough, low fever, headache, wiped out. He's healthy except for several allergies. One of the people in my wife's company (at a different office...
  49. F

    Coronavirus

    Finally know someone who had CV19. Our friend, who co-manages a small retail place with my wife, got it a few weeks ago. We go out with her and family at least once a week but, as fate would have it, we didn't see them for a week or so before she came down with symptoms. We had dinner out with...
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    Do electromagnetic fields cause long term damage to health by driving an EV?

    Don't know about the downsides ... but since getting my 3P+ I've noticed the following: 1. I grew a third arm. Came in handy while hanging a bunch of paintings on the walls the other day 2. My hair grew back ... now I worry about an advancing hairline! 3. Larger member