# Factual Questions **URL:** https://boards.straightdope.com/c/factual-questions/9.md?page=109 [Latest](https://boards.straightdope.com/latest.md) · [Categories](https://boards.straightdope.com/categories.md) · [Tags](https://boards.straightdope.com/tags.md) **Page:** 110 --- ## [Will a fish at depth in oxygen-deficient water experience more or less hypoxia (oxygen stress) than at the surface?](https://boards.straightdope.com/t/will-a-fish-at-depth-in-oxygen-deficient-water-experience-more-or-less-hypoxia-oxygen-stress-than-at-the-surface/994847)
**Author:** [@StanDoubt](https://boards.straightdope.com/u/StanDoubt)\ **Replies:** 0\ **Last updated:** [December 20, 2023, 12:12am UTC](https://boards.straightdope.com/t/will-a-fish-at-depth-in-oxygen-deficient-water-experience-more-or-less-hypoxia-oxygen-stress-than-at-the-surface/994847 "2023-12-20T00:12:46Z")
Title pretty much sums it up. Assuming a well-mixed body of water with homogeneous, but low oxygen concentration, would a fish at, say 50 ft, experience more or less oxygen stress due to the increased pressure? This seem… --- ## [New computer won't boot from the old drive](https://boards.straightdope.com/t/new-computer-wont-boot-from-the-old-drive/994837)
**Author:** [@Saint\_Cad](https://boards.straightdope.com/u/Saint_Cad)\ **Replies:** 6\ **Last updated:** [December 19, 2023, 10:11pm UTC](https://boards.straightdope.com/t/new-computer-wont-boot-from-the-old-drive/994837 "2023-12-19T22:11:04Z")
It sees the drive, just not as a boot drive. One option may be to get an M.2 drive and make that the boot drive. I was planning on doing that eventually. The questions are If I do that is there any reason I couldn’t… --- ## [Telling Jams Apart -- Need Help Fast](https://boards.straightdope.com/t/telling-jams-apart-need-help-fast/994446)
**Author:** [@anny\_m](https://boards.straightdope.com/u/anny_m)\ **Replies:** 63\ **Last updated:** [December 19, 2023, 7:53pm UTC](https://boards.straightdope.com/t/telling-jams-apart-need-help-fast/994446 "2023-12-19T19:53:34Z")
OK, I got really stupid. A couple months ago I made jam for Christmas presents. Two types I made were Cherry – made from dark sweet cherries – and Blueberry Marmalade – blueberries with lemon and orange flesh and finel… --- ## [Can I measure my time dilation displacement](https://boards.straightdope.com/t/can-i-measure-my-time-dilation-displacement/994696)
**Author:** [@Crane](https://boards.straightdope.com/u/Crane)\ **Replies:** 128\ **Last updated:** [December 19, 2023, 2:48pm UTC](https://boards.straightdope.com/t/can-i-measure-my-time-dilation-displacement/994696 "2023-12-19T14:48:27Z")
I have traveled over a million miles as a passenger in jet aircraft. According to GPT4 that produces 2 microseconds of time displacement. I’d like to use that as a science project with my great grand daughter. We both h… --- ## [How did the Russians meddle in our election?](https://boards.straightdope.com/t/how-did-the-russians-meddle-in-our-election/819293)
**Author:** [@UltraVires](https://boards.straightdope.com/u/UltraVires)\ **Replies:** 114\ **Last updated:** [December 19, 2023, 1:28pm UTC](https://boards.straightdope.com/t/how-did-the-russians-meddle-in-our-election/819293 "2023-12-19T13:28:03Z")
This is GQ, but it will be very difficult to keep it here. All I ask is that posters give it the old college try. So, two questions: What specifically is it alleged that the Russians did to “meddle” in the 2016 elec… --- ## [Split-bus electrical panels](https://boards.straightdope.com/t/split-bus-electrical-panels/994719)
**Author:** [@Dr.Strangelove](https://boards.straightdope.com/u/Dr.Strangelove)\ **Replies:** 12\ **Last updated:** [December 19, 2023, 1:17pm UTC](https://boards.straightdope.com/t/split-bus-electrical-panels/994719 "2023-12-19T13:17:59Z")
I think I have an understanding of what’s going on, but I want to be sure I’m not missing anything. My sister has an older house (~1950s) and wants to install an EV charger. I’m giving them a spare mobile charger, so t… --- ## [Another question for UK residents - did you have tax deferred retirement accounts before PPS/SIPP](https://boards.straightdope.com/t/another-question-for-uk-residents-did-you-have-tax-deferred-retirement-accounts-before-pps-sipp/994620)
**Author:** [@Tzigone](https://boards.straightdope.com/u/Tzigone)\ **Replies:** 10\ **Last updated:** [December 19, 2023, 12:03pm UTC](https://boards.straightdope.com/t/another-question-for-uk-residents-did-you-have-tax-deferred-retirement-accounts-before-pps-sipp/994620 "2023-12-19T12:03:36Z")
Just sort of randomly thought about UK retirements and wondered about their equivalent to 401k, so looked it up. I saw these were created in the late 1980s. I know state and occupational pensions are much older, of cours… --- ## [Are men able to have genital sex if they no longer produce any testosterone?](https://boards.straightdope.com/t/are-men-able-to-have-genital-sex-if-they-no-longer-produce-any-testosterone/993930)
**Author:** [@Caribbean\_cruiser](https://boards.straightdope.com/u/Caribbean_cruiser)\ **Replies:** 47\ **Last updated:** [December 6, 2023, 2:53pm UTC](https://boards.straightdope.com/t/are-men-able-to-have-genital-sex-if-they-no-longer-produce-any-testosterone/993930 "2023-12-06T14:53:41Z")
A friend, 62, recently underwent surgical removal of his prostate, followed by radiation therapy, for prostate cancer, after which his oncologist prescribed an anti-androgen medication for the rest of his life, which as … --- ## [GPS satellites; relativity correction for solar gravity variation?](https://boards.straightdope.com/t/gps-satellites-relativity-correction-for-solar-gravity-variation/994776)
**Author:** [@Machine\_Elf](https://boards.straightdope.com/u/Machine_Elf)\ **Replies:** 8\ **Last updated:** [December 18, 2023, 6:36pm UTC](https://boards.straightdope.com/t/gps-satellites-relativity-correction-for-solar-gravity-variation/994776 "2023-12-18T18:36:12Z")
Plenty of discussions of relativity and time dilation lately, so here’s another one. The global positioning system features corrections for general and special relativity due to the movement of the satellites relative t… --- ## [The most difficult liscense plate to remember](https://boards.straightdope.com/t/the-most-difficult-liscense-plate-to-remember/168935)
**Author:** [@Uncommon\_Sense](https://boards.straightdope.com/u/Uncommon_Sense)\ **Replies:** 71\ **Last updated:** [December 18, 2023, 3:43pm UTC](https://boards.straightdope.com/t/the-most-difficult-liscense-plate-to-remember/168935 "2023-12-18T15:43:31Z")
Say I wanted to be a thief, but still have my car legally registered. I would want the plate (seven letters) to be the most difficult to remember. No vanity plates. Actually, I saw a plate the other day that I had a h… --- ## [US - unnumbered "Interstates"](https://boards.straightdope.com/t/us-unnumbered-interstates/994691)
**Author:** [@Mark\_Finn](https://boards.straightdope.com/u/Mark_Finn)\ **Replies:** 26\ **Last updated:** [December 18, 2023, 3:15pm UTC](https://boards.straightdope.com/t/us-unnumbered-interstates/994691 "2023-12-18T15:15:37Z")
I’ve noticed that some major highways (e.g. Florida Turnpike, Garden State Parkway) lack Interstate numbers. Do they not meet Interstate standards for some reasons? Are there any other highways in the same status? --- ## [Are Cloverleaves nuclear targets?](https://boards.straightdope.com/t/are-cloverleaves-nuclear-targets/994731)
**Author:** [@EnolaStraight](https://boards.straightdope.com/u/EnolaStraight)\ **Replies:** 42\ **Last updated:** [December 18, 2023, 3:00pm UTC](https://boards.straightdope.com/t/are-cloverleaves-nuclear-targets/994731 "2023-12-18T15:00:12Z")
Many major high speed highway interchanges are accomplished by constructing a Cloverleaf: Green-cloverleaf-highway-.jpg (2048×1152) (pngworldwide.com) Beig that, during wartime, the US Armed Forces would transport some… --- ## [Did Ancient Maritime Navigation Techniques Presume A Round Earth?](https://boards.straightdope.com/t/did-ancient-maritime-navigation-techniques-presume-a-round-earth/994447)
**Author:** [@HeyHomie](https://boards.straightdope.com/u/HeyHomie)\ **Replies:** 62\ **Last updated:** [December 18, 2023, 1:58pm UTC](https://boards.straightdope.com/t/did-ancient-maritime-navigation-techniques-presume-a-round-earth/994447 "2023-12-18T13:58:37Z")
I know that the idea that everyone thought the Earth was flat until Columbus got lost trying to sail around it is a fallacy. What I’m asking is, did the maps, navigational techniques, devices and methods they used to det… --- ## [What Created The Space Which The Universe Occupies?](https://boards.straightdope.com/t/what-created-the-space-which-the-universe-occupies/994508)
**Author:** [@wt1963](https://boards.straightdope.com/u/wt1963)\ **Replies:** 36\ **Last updated:** [December 18, 2023, 12:00am UTC](https://boards.straightdope.com/t/what-created-the-space-which-the-universe-occupies/994508 "2023-12-18T00:00:25Z")
Hope this is the right section to post this question since I saw a thread here regarding Betelgeuse. Anyway, here goes… Let’s assume for a moment the Big Bang theory explains the organ of the universe. The theory states… --- ## [The Economics of Amazon Returns](https://boards.straightdope.com/t/the-economics-of-amazon-returns/994677)
**Author:** [@CookingWithGas](https://boards.straightdope.com/u/CookingWithGas)\ **Replies:** 22\ **Last updated:** [December 17, 2023, 11:25pm UTC](https://boards.straightdope.com/t/the-economics-of-amazon-returns/994677 "2023-12-17T23:25:32Z")
I just read an article in the Washington Post (should be gifted outside the paywall) about discount outlets that acquire and sell merchandise returned to Amazon, Walmart, etc. How is it possible that Amazon makes more m… --- ## [Systemic anti-tick/flea remedy Q. (dog pipets)](https://boards.straightdope.com/t/systemic-anti-tick-flea-remedy-q-dog-pipets/994742)
**Author:** [@Al128](https://boards.straightdope.com/u/Al128)\ **Replies:** 4\ **Last updated:** [December 17, 2023, 5:40pm UTC](https://boards.straightdope.com/t/systemic-anti-tick-flea-remedy-q-dog-pipets/994742 "2023-12-17T17:40:42Z")
You prob. all know those systemic anti-tick / anti-flea remedies for dogs, the ones you need to apply m/l between the shoulderblades … a couple of drops will do … 3-5ml for a full sized dog I got a Q: It seems (pls conf… --- ## [AirTags - Can the finder get past locations?](https://boards.straightdope.com/t/airtags-can-the-finder-get-past-locations/994687)
**Author:** [@Schnitte](https://boards.straightdope.com/u/Schnitte)\ **Replies:** 12\ **Last updated:** [December 17, 2023, 4:19am UTC](https://boards.straightdope.com/t/airtags-can-the-finder-get-past-locations/994687 "2023-12-17T04:19:36Z")
Suppose someone finds a lost key ring with an AirTag attached. Is there any way this finder could use the AirTag to extract information about past locations that the key ring has been in? If so, AirTags would pose a seri… --- ## [Mechanical Engineers - A simple question of names](https://boards.straightdope.com/t/mechanical-engineers-a-simple-question-of-names/993942)
**Author:** [@Grestarian](https://boards.straightdope.com/u/Grestarian)\ **Replies:** 22\ **Last updated:** [December 17, 2023, 3:09am UTC](https://boards.straightdope.com/t/mechanical-engineers-a-simple-question-of-names/993942 "2023-12-17T03:09:22Z")
I’m a hobbyist and I’ve got this idea that, to me, seems pretty simple. I just can’t seem to find the parts because I don’t know what they’re called. I’m pretty sure my idea is feasible, because I got the inspiration f… --- ## [Wi-Fi enabled thermostats](https://boards.straightdope.com/t/wi-fi-enabled-thermostats/994653)
**Author:** [@Fir\_na\_tine](https://boards.straightdope.com/u/Fir_na_tine)\ **Replies:** 6\ **Last updated:** [December 16, 2023, 8:26pm UTC](https://boards.straightdope.com/t/wi-fi-enabled-thermostats/994653 "2023-12-16T20:26:02Z")
Looking to install a wi-fi enabled thermostat so I can adjust temperature when we’re traveling. My current t-stats are dumb 2 wire jobs. The t-stat either calls for heat or it doesn’t. In looking at ads for the wi-fi … --- ## [Please Advise-- how much Metadata risk is there in Google Sheets and Docs?](https://boards.straightdope.com/t/please-advise-how-much-metadata-risk-is-there-in-google-sheets-and-docs/994692)
**Author:** [@aceplace57](https://boards.straightdope.com/u/aceplace57)\ **Replies:** 7\ **Last updated:** [December 16, 2023, 7:20pm UTC](https://boards.straightdope.com/t/please-advise-how-much-metadata-risk-is-there-in-google-sheets-and-docs/994692 "2023-12-16T19:20:48Z")
I had a request to share a simple spreadsheet for music practice. Something I can throw together quickly. Unfortunately I’m reliant on Android and Google Sheets and Docs for these mundane tasks. My phone and Tablet repl… --- ## [How do I zero out Visa/MC gift cards?](https://boards.straightdope.com/t/how-do-i-zero-out-visa-mc-gift-cards/990771)
**Author:** [@RivkahChaya](https://boards.straightdope.com/u/RivkahChaya)\ **Replies:** 72\ **Last updated:** [December 16, 2023, 7:10am UTC](https://boards.straightdope.com/t/how-do-i-zero-out-visa-mc-gift-cards/990771 "2023-12-16T07:10:48Z")
I work in a preschool. A lot of the parents gave me gift cards that were just those Visa or MC spend-anywhere cards. I now have a bunch of them with just a few dollars on each one. Stores are telling me they can’t run… --- ## [Can the evolution of Classical Latin to Ecclesiastical Latin in changes of pronunciation, vocabulary, etc. partly be attributed to the fall of Rome?](https://boards.straightdope.com/t/can-the-evolution-of-classical-latin-to-ecclesiastical-latin-in-changes-of-pronunciation-vocabulary-etc-partly-be-attributed-to-the-fall-of-rome/994571)
**Author:** [@Jagraze1](https://boards.straightdope.com/u/Jagraze1)\ **Replies:** 16\ **Last updated:** [December 16, 2023, 4:35am UTC](https://boards.straightdope.com/t/can-the-evolution-of-classical-latin-to-ecclesiastical-latin-in-changes-of-pronunciation-vocabulary-etc-partly-be-attributed-to-the-fall-of-rome/994571 "2023-12-16T04:35:10Z")
So in Ecclesiastical Latin, (also known as Church Latin) was technically an evolution of Classical Latin with changes in pronounciation, vocabulary, etc. It was a continuation of it after the fall of rome. Did the fall o… --- ## [Mandela sings about killing whites video-explain?](https://boards.straightdope.com/t/mandela-sings-about-killing-whites-video-explain/683788)
**Author:** [@rogerbox](https://boards.straightdope.com/u/rogerbox)\ **Replies:** 23\ **Last updated:** [December 15, 2023, 8:27pm UTC](https://boards.straightdope.com/t/mandela-sings-about-killing-whites-video-explain/683788 "2023-12-15T20:27:34Z")
I saw a link to this video from a Vice article about the white-man march. Since I am a bit of a masochist I can’t help but read a lot of the white supremacist comments on youtube, and I see a lot of accusa… --- ## [Can brain tissue get sunburned?](https://boards.straightdope.com/t/can-brain-tissue-get-sunburned/981052)
**Author:** [@Ranchoth](https://boards.straightdope.com/u/Ranchoth)\ **Replies:** 22\ **Last updated:** [December 15, 2023, 3:44am UTC](https://boards.straightdope.com/t/can-brain-tissue-get-sunburned/981052 "2023-12-15T03:44:25Z")
I recently saw a comic book character (one in a long line of similar characters) who has a transparent dome for a cranium, exposing her brain beneath. As per the course for such fashion, she’s of course completely lackin… --- ## [Voyager 1 still transmits data... what is that like at NASA?](https://boards.straightdope.com/t/voyager-1-still-transmits-data-what-is-that-like-at-nasa/630580)
**Author:** [@rogerbox](https://boards.straightdope.com/u/rogerbox)\ **Replies:** 76\ **Last updated:** [December 15, 2023, 1:13am UTC](https://boards.straightdope.com/t/voyager-1-still-transmits-data-what-is-that-like-at-nasa/630580 "2023-12-15T01:13:43Z")
I am fascinated with Voyager 1, because a piece of equipment that can operate that long in such an environment beyond designed specifications is just awesome. According to wikipedia and other websites I have read, it st… --- ## [Firefighter shift times](https://boards.straightdope.com/t/firefighter-shift-times/994521)
**Author:** [@leswax](https://boards.straightdope.com/u/leswax)\ **Replies:** 7\ **Last updated:** [December 15, 2023, 1:11am UTC](https://boards.straightdope.com/t/firefighter-shift-times/994521 "2023-12-15T01:11:48Z")
I didn’t see a recent FQ topic on this, but wanted to better understand the below quote (assuming my ability to quote from another topic exists) In this case, the “on” duty time is time spent at the fire station (presu… --- ## [Eight Days a Week](https://boards.straightdope.com/t/eight-days-a-week/993341)
**Author:** [@DPRK](https://boards.straightdope.com/u/DPRK)\ **Replies:** 39\ **Last updated:** [December 14, 2023, 7:27pm UTC](https://boards.straightdope.com/t/eight-days-a-week/993341 "2023-12-14T19:27:24Z")
Has anyone lived in a country or region where society uses an other-than-seven-day week? Five days, eight days, ten days…? I do not mean for religious worship or cultural events; I mean as in the day-to-day cycle of when… --- ## [Laptop question](https://boards.straightdope.com/t/laptop-question/994567)
**Author:** [@Thing.Fish](https://boards.straightdope.com/u/Thing.Fish)\ **Replies:** 16\ **Last updated:** [December 14, 2023, 2:18pm UTC](https://boards.straightdope.com/t/laptop-question/994567 "2023-12-14T14:18:40Z")
So I have an eight year old Lenovo ThinkPad, and in the last week or so it has gotten very finicky about being plugged in; the cord has to be carefully jiggled just so to get power, and even so it often needs to be readj… --- ## [When restarting Chrome, windows from prior session are restored but highlighted](https://boards.straightdope.com/t/when-restarting-chrome-windows-from-prior-session-are-restored-but-highlighted/994588)
**Author:** [@CookingWithGas](https://boards.straightdope.com/u/CookingWithGas)\ **Replies:** 3\ **Last updated:** [December 14, 2023, 2:07pm UTC](https://boards.straightdope.com/t/when-restarting-chrome-windows-from-prior-session-are-restored-but-highlighted/994588 "2023-12-14T14:07:41Z")
When I open Google Chrome, it restores my previous session, including multiple windows and tabs. This is good. Most the windows are highlighted in the Windows task bar until I click on them. What does this highlighting i… --- ## [British or tech history Dopers - Silicon Fen or hardware in the 1970s?](https://boards.straightdope.com/t/british-or-tech-history-dopers-silicon-fen-or-hardware-in-the-1970s/994554)
**Author:** [@Tzigone](https://boards.straightdope.com/u/Tzigone)\ **Replies:** 11\ **Last updated:** [December 14, 2023, 10:48am UTC](https://boards.straightdope.com/t/british-or-tech-history-dopers-silicon-fen-or-hardware-in-the-1970s/994554 "2023-12-14T10:48:52Z")
I was watching a British show from the late 1960s, and there were a couple episodes where computers came in to play. And I started thinking about just how much they’d change and improve in the next decade (in particular… [Previous page](https://boards.straightdope.com/c/factual-questions/9.md?page=108) [Next page](https://boards.straightdope.com/c/factual-questions/9.md?page=110)