# Factual Questions **URL:** https://boards.straightdope.com/c/factual-questions/9.md?page=551 [Latest](https://boards.straightdope.com/latest.md) · [Categories](https://boards.straightdope.com/categories.md) · [Tags](https://boards.straightdope.com/tags.md) **Page:** 552 --- ## [How much blood in the head?](https://boards.straightdope.com/t/how-much-blood-in-the-head/819452)
**Author:** [@snfaulkner](https://boards.straightdope.com/u/snfaulkner)\ **Replies:** 6\ **Last updated:** [August 13, 2018, 1:51pm UTC](https://boards.straightdope.com/t/how-much-blood-in-the-head/819452 "2018-08-13T13:51:56Z")
So the human body has what, 7 or 8ish pints of blood? How much is generally in the head at any one time? Need answer fast (Not really) --- ## [Slicing 2 inches off a tree- deadly to the tree?](https://boards.straightdope.com/t/slicing-2-inches-off-a-tree-deadly-to-the-tree/819389)
**Author:** [@OldOlds](https://boards.straightdope.com/u/OldOlds)\ **Replies:** 15\ **Last updated:** [August 13, 2018, 11:59am UTC](https://boards.straightdope.com/t/slicing-2-inches-off-a-tree-deadly-to-the-tree/819389 "2018-08-13T11:59:26Z")
OK- this is an odd one, and Google isn’t helping. I’m rebuilding a fence that was neglected for years. The fence runs just outside a line of trees. One of the trees has encroached about two inches into the fence line (w… --- ## [what is this red circle symbol (with 4 semi circles) in this link?](https://boards.straightdope.com/t/what-is-this-red-circle-symbol-with-4-semi-circles-in-this-link/819467)
**Author:** [@teddybound](https://boards.straightdope.com/u/teddybound)\ **Replies:** 15\ **Last updated:** [August 13, 2018, 8:59am UTC](https://boards.straightdope.com/t/what-is-this-red-circle-symbol-with-4-semi-circles-in-this-link/819467 "2018-08-13T08:59:32Z")
I suspect japanese origin? I first encountered this symbol 20 over years ago when I played the NES game 1942. I thought it was the swastika or something. Please help to solve this … --- ## [Use the earth's electrostatic field to charge a car battery?](https://boards.straightdope.com/t/use-the-earths-electrostatic-field-to-charge-a-car-battery/178359)
**Author:** [@Francis\_E\_Dec\_Esq](https://boards.straightdope.com/u/Francis_E_Dec_Esq)\ **Replies:** 59\ **Last updated:** [August 13, 2018, 5:16am UTC](https://boards.straightdope.com/t/use-the-earths-electrostatic-field-to-charge-a-car-battery/178359 "2018-08-13T05:16:50Z")
Here is how you can supposedly charge a car battery using the earth’s electrical field. Needed: A wooden ladder A piece of sheet metal that is around, say, 1 square meter in size, maybe smaller A long metal spike Ju… --- ## [Laptop short circuit symptoms](https://boards.straightdope.com/t/laptop-short-circuit-symptoms/819433)
**Author:** [@Velocity](https://boards.straightdope.com/u/Velocity)\ **Replies:** 13\ **Last updated:** [August 13, 2018, 1:47am UTC](https://boards.straightdope.com/t/laptop-short-circuit-symptoms/819433 "2018-08-13T01:47:11Z")
Never have had a laptop short out but this is apparently what would happen if water gets into the circuitry. What could I expect to see? A laptop that “flickers” while operating, starts fine but then shuts down abruptly… --- ## [Sharing with google docs and drive](https://boards.straightdope.com/t/sharing-with-google-docs-and-drive/819492)
**Author:** [@Patx2](https://boards.straightdope.com/u/Patx2)\ **Replies:** 6\ **Last updated:** [August 13, 2018, 12:31am UTC](https://boards.straightdope.com/t/sharing-with-google-docs-and-drive/819492 "2018-08-13T00:31:45Z")
I have a few very simple questions about this. Can I share through both docs and drive? Is one easy than the other to manage? Can I edit and comment in either? Thanks! --- ## [Different take on camera design](https://boards.straightdope.com/t/different-take-on-camera-design/819491)
**Author:** [@Kedikat](https://boards.straightdope.com/u/Kedikat)\ **Replies:** 3\ **Last updated:** [August 12, 2018, 9:17pm UTC](https://boards.straightdope.com/t/different-take-on-camera-design/819491 "2018-08-12T21:17:40Z")
Never mind. Found it already exists. --- ## [Maggots... No food source... So why?](https://boards.straightdope.com/t/maggots-no-food-source-so-why/819412)
**Author:** [@CCinPA](https://boards.straightdope.com/u/CCinPA)\ **Replies:** 16\ **Last updated:** [August 12, 2018, 8:47pm UTC](https://boards.straightdope.com/t/maggots-no-food-source-so-why/819412 "2018-08-12T20:47:20Z")
I have maggots on my garage floor. I have always hung stuff from/on the walls… So nothing sits on the floor. The floor-drains are sealed. No rotting anything. BUT… If I lift up a piece of loose carpet… There they are! Wh… --- ## [Who can swear in a US President?](https://boards.straightdope.com/t/who-can-swear-in-a-us-president/819394)
**Author:** [@Leo\_Bloom](https://boards.straightdope.com/u/Leo_Bloom)\ **Replies:** 33\ **Last updated:** [August 12, 2018, 6:46pm UTC](https://boards.straightdope.com/t/who-can-swear-in-a-us-president/819394 "2018-08-12T18:46:04Z")
See query. (Background: This is an offshoot from an excellent thread which, inter alia, discusses the necessity for swearing in the VP or other next in line–administering and taking the Oath of Office–without which any … --- ## [Samsung Tab A tablet weirdness help.](https://boards.straightdope.com/t/samsung-tab-a-tablet-weirdness-help/819480)
**Author:** [@racer72](https://boards.straightdope.com/u/racer72)\ **Replies:** 2\ **Last updated:** [August 12, 2018, 6:15pm UTC](https://boards.straightdope.com/t/samsung-tab-a-tablet-weirdness-help/819480 "2018-08-12T18:15:07Z")
My wife’s Samsung Tab A recently started something weird. On websites that are bookmarked, when she attempts to log in, the login boxes appear but she does not get a cursor in the box and she can’t enter any information.… --- ## [Disparate Impact Analysis - How is it done?](https://boards.straightdope.com/t/disparate-impact-analysis-how-is-it-done/819479)
**Author:** [@Bone](https://boards.straightdope.com/u/Bone)\ **Replies:** 0\ **Last updated:** [August 12, 2018, 4:54pm UTC](https://boards.straightdope.com/t/disparate-impact-analysis-how-is-it-done/819479 "2018-08-12T16:54:34Z")
I’m reading these guidelines by the DOJ here, specifically section C. 1. c. iii.Relevant comparator population. I’m having trouble understanding how the comparison populations are determined both by matter of rules as s… --- ## [Best fit for a bike helmet (a bit too small or too big?)](https://boards.straightdope.com/t/best-fit-for-a-bike-helmet-a-bit-too-small-or-too-big/819421)
**Author:** [@Whack-a-Mole](https://boards.straightdope.com/u/Whack-a-Mole)\ **Replies:** 11\ **Last updated:** [August 12, 2018, 2:20pm UTC](https://boards.straightdope.com/t/best-fit-for-a-bike-helmet-a-bit-too-small-or-too-big/819421 "2018-08-12T14:20:05Z")
I want to purchase a helmet for biking (non-motor…human powered) but the sizing is almost perfectly between what I need. A medium fit up to 7 1/4" at the high end and the large fits 7 1/2" at the low end. Last time I w… --- ## [How feasible is terrorism using civilian drones?](https://boards.straightdope.com/t/how-feasible-is-terrorism-using-civilian-drones/818317)
**Author:** [@EricaRoche](https://boards.straightdope.com/u/EricaRoche)\ **Replies:** 54\ **Last updated:** [August 12, 2018, 2:51am UTC](https://boards.straightdope.com/t/how-feasible-is-terrorism-using-civilian-drones/818317 "2018-08-12T02:51:57Z")
This is completely hypothetical. I remember reading a story last year of a New Yorker arrested for flying a drone in the US Open stands. As well as that, I’ve heard numerous stories of near air collisions involving drone… --- ## [why does my computer suddenly think I am two time zones east of here?](https://boards.straightdope.com/t/why-does-my-computer-suddenly-think-i-am-two-time-zones-east-of-here/819431)
**Author:** [@JackieLikesVariety](https://boards.straightdope.com/u/JackieLikesVariety)\ **Replies:** 6\ **Last updated:** [August 12, 2018, 2:02am UTC](https://boards.straightdope.com/t/why-does-my-computer-suddenly-think-i-am-two-time-zones-east-of-here/819431 "2018-08-12T02:02:33Z")
I kind of know the answer, because I went to settings and found out if I set the computer to my time zone it’s correct, but if I use the default options of either use my IP address or my wifi to set the clock, those both… --- ## [Can you get tan through a window?](https://boards.straightdope.com/t/can-you-get-tan-through-a-window/819437)
**Author:** [@Enola\_Gay](https://boards.straightdope.com/u/Enola_Gay)\ **Replies:** 9\ **Last updated:** [August 12, 2018, 1:24am UTC](https://boards.straightdope.com/t/can-you-get-tan-through-a-window/819437 "2018-08-12T01:24:08Z")
I swear I’ve gotten tan through my car window, but a friend says this is impossible. Google search has turned up conflicting results, so what is the straight dope on this? --- ## [NetFlix audio volume](https://boards.straightdope.com/t/netflix-audio-volume/819398)
**Author:** [@enipla](https://boards.straightdope.com/u/enipla)\ **Replies:** 9\ **Last updated:** [August 11, 2018, 10:16pm UTC](https://boards.straightdope.com/t/netflix-audio-volume/819398 "2018-08-11T22:16:38Z")
Not sure if there is gonna be an answer to this, but I’ll start in GQ. I’ve got a VIZIO TV set up with surround sound. It’s not that high-tech, but IMHO a pretty good system. I’ve noticed that the audio volume for Net… --- ## [Why don't we have nuclear cruise ships?](https://boards.straightdope.com/t/why-dont-we-have-nuclear-cruise-ships/819241)
**Author:** [@cjackson](https://boards.straightdope.com/u/cjackson)\ **Replies:** 37\ **Last updated:** [August 11, 2018, 10:06pm UTC](https://boards.straightdope.com/t/why-dont-we-have-nuclear-cruise-ships/819241 "2018-08-11T22:06:09Z")
Every modern cruise ship I read up on have top speeds of just 22 or 21 knots. I imagine when they cruise the speed is much slower. SS United States could get up to 38 knots. Could a couple of nuclear reactors drastically… --- ## [Did WW2 pilots bomb a Japanese aircraft carrier, while flying captured Japanese planes?](https://boards.straightdope.com/t/did-ww2-pilots-bomb-a-japanese-aircraft-carrier-while-flying-captured-japanese-planes/819208)
**Author:** [@Tastes\_of\_Chocolate](https://boards.straightdope.com/u/Tastes_of_Chocolate)\ **Replies:** 27\ **Last updated:** [August 11, 2018, 5:48pm UTC](https://boards.straightdope.com/t/did-ww2-pilots-bomb-a-japanese-aircraft-carrier-while-flying-captured-japanese-planes/819208 "2018-08-11T17:48:25Z")
I was watching the 1976 TV show “Black Sheep Squadron” (Season 1, Episode 6, “The Meatball Circus”. In it, the Marine pilots from the Black Sheep Squadron fly captured and rebuilt Japanese planes to drop bombs on a Japan… --- ## [Facebook video not sharing](https://boards.straightdope.com/t/facebook-video-not-sharing/819422)
**Author:** [@bob\_2](https://boards.straightdope.com/u/bob_2)\ **Replies:** 8\ **Last updated:** [August 11, 2018, 5:07pm UTC](https://boards.straightdope.com/t/facebook-video-not-sharing/819422 "2018-08-11T17:07:31Z")
I made a video of my granddaughter taking her first steps and tried to share it on FB. The video loaded and I can see it on my page, but although I clicked ‘share’, no one else can see it. Can anyone suggest what I am d… --- ## [Did McDonalds sever their ties with redbox](https://boards.straightdope.com/t/did-mcdonalds-sever-their-ties-with-redbox/819402)
**Author:** [@Wesley\_Clark](https://boards.straightdope.com/u/Wesley_Clark)\ **Replies:** 6\ **Last updated:** [August 11, 2018, 2:03pm UTC](https://boards.straightdope.com/t/did-mcdonalds-sever-their-ties-with-redbox/819402 "2018-08-11T14:03:01Z")
I don’t go to every McDonalds I see, but the two I tend to go to both had their Redboxes taken out. Did McDonalds and Redbox sever ties? Or is this just a coincidence and they are still at other McDonalds? --- ## [What is the "r" dating system that is connected to Byzantium?](https://boards.straightdope.com/t/what-is-the-r-dating-system-that-is-connected-to-byzantium/819002)
**Author:** [@CC](https://boards.straightdope.com/u/CC)\ **Replies:** 5\ **Last updated:** [August 11, 2018, 1:48pm UTC](https://boards.straightdope.com/t/what-is-the-r-dating-system-that-is-connected-to-byzantium/819002 "2018-08-11T13:48:05Z")
I’d never seen or noticed this before I saw it in the Art Institute the other day. It was used to date some coins that were Byzantine. When I look on Wiki, I see it used, but I don’t really know what it is based on, w… --- ## [Help me troubleshoot this PC freezing issue!](https://boards.straightdope.com/t/help-me-troubleshoot-this-pc-freezing-issue/819282)
**Author:** [@Half\_Man\_Half\_Wit](https://boards.straightdope.com/u/Half_Man_Half_Wit)\ **Replies:** 10\ **Last updated:** [August 11, 2018, 12:43pm UTC](https://boards.straightdope.com/t/help-me-troubleshoot-this-pc-freezing-issue/819282 "2018-08-11T12:43:56Z")
So I’ve been having an issue with sudden total freezes of my PC while gaming. ‘Freeze’ here means everything—no mouse cursor movement, sound freezes (same sound played continuously), unresponsive to anything but hardware… --- ## [Expunged records- civil law question](https://boards.straightdope.com/t/expunged-records-civil-law-question/819141)
**Author:** [@Loach](https://boards.straightdope.com/u/Loach)\ **Replies:** 25\ **Last updated:** [August 11, 2018, 4:35am UTC](https://boards.straightdope.com/t/expunged-records-civil-law-question/819141 "2018-08-11T04:35:06Z")
I have a working knowledge of criminal law but no real need to know much about civil law. I heard about an incident recently that made me think of this question. I am in no way involved. I’m curious about the principal.… --- ## [Which U.S. currency bill is there the most of?](https://boards.straightdope.com/t/which-u-s-currency-bill-is-there-the-most-of/819375)
**Author:** [@Steven\_Estes](https://boards.straightdope.com/u/Steven_Estes)\ **Replies:** 15\ **Last updated:** [August 11, 2018, 4:13am UTC](https://boards.straightdope.com/t/which-u-s-currency-bill-is-there-the-most-of/819375 "2018-08-11T04:13:04Z")
Which U.S. currency bill is there the most of? I heard on TV that the U.S. currency bill that there is the most of and is most used is the twenty dollar bill. This defies credibility because mist of the time, when you … --- ## [How do I get facebook to back off?](https://boards.straightdope.com/t/how-do-i-get-facebook-to-back-off/819257)
**Author:** [@Gary\_T](https://boards.straightdope.com/u/Gary_T)\ **Replies:** 18\ **Last updated:** [August 11, 2018, 2:42am UTC](https://boards.straightdope.com/t/how-do-i-get-facebook-to-back-off/819257 "2018-08-11T02:42:26Z")
I just got a mobile phone (my first), haven’t even gotten a carrier yet, but activated the wifi am checking out how it does facebook. In setting this up, I interacted with facebook, gmail, and Google. Somewhere in the pr… --- ## [Moving the modem and router](https://boards.straightdope.com/t/moving-the-modem-and-router/819381)
**Author:** [@smithsb](https://boards.straightdope.com/u/smithsb)\ **Replies:** 6\ **Last updated:** [August 10, 2018, 11:24pm UTC](https://boards.straightdope.com/t/moving-the-modem-and-router/819381 "2018-08-10T23:24:59Z")
Weekend project. I’m moving the \[del\]DNC server \[/del\] tower computer to a \[del\]more secure\[/del\] different location further from the cable entry. Primary object is to get the damn thing out of the bedroom and will also … --- ## [Are criminal charges possible for violating a will? (MA and elsewhere)](https://boards.straightdope.com/t/are-criminal-charges-possible-for-violating-a-will-ma-and-elsewhere/819373)
**Author:** [@Leaper](https://boards.straightdope.com/u/Leaper)\ **Replies:** 6\ **Last updated:** [August 10, 2018, 5:21pm UTC](https://boards.straightdope.com/t/are-criminal-charges-possible-for-violating-a-will-ma-and-elsewhere/819373 "2018-08-10T17:21:44Z")
Long story short from Reddit: gay man with a lot of assets dies, leaving behind a will leaving substantial amount (more than half, I believe) to partner. Executor of will is little sister who is the only one in the famil… --- ## [Translation of plaque found in Czech Republic.](https://boards.straightdope.com/t/translation-of-plaque-found-in-czech-republic/577838)
**Author:** [@bmw7777](https://boards.straightdope.com/u/bmw7777)\ **Replies:** 19\ **Last updated:** [August 10, 2018, 12:28pm UTC](https://boards.straightdope.com/t/translation-of-plaque-found-in-czech-republic/577838 "2018-08-10T12:28:42Z")
I want to know if anyone can translate what this says. I took this picture at the Sedlec Ossuary in Czech Republic. It looks like German to me. Can anyone help? --- ## [Need help from "car people" (Honda Civic)](https://boards.straightdope.com/t/need-help-from-car-people-honda-civic/818175)
**Author:** [@ZurBob](https://boards.straightdope.com/u/ZurBob)\ **Replies:** 27\ **Last updated:** [August 10, 2018, 5:44am UTC](https://boards.straightdope.com/t/need-help-from-car-people-honda-civic/818175 "2018-08-10T05:44:05Z")
I have an '06 Civic with 175000 miles, auto tranny. Till lately, it got about 40 mpg highway… Then seemingly overnight, the mileage dropped to 25 mpg. Oddly enough, the car still was running fine, no misses or hesitation… --- ## [Why The Long Gap Between Ascension And Coronation of the British Monarch](https://boards.straightdope.com/t/why-the-long-gap-between-ascension-and-coronation-of-the-british-monarch/819079)
**Author:** [@HeyHomie](https://boards.straightdope.com/u/HeyHomie)\ **Replies:** 34\ **Last updated:** [August 10, 2018, 4:22am UTC](https://boards.straightdope.com/t/why-the-long-gap-between-ascension-and-coronation-of-the-british-monarch/819079 "2018-08-10T04:22:53Z")
King Edward VIII was King for 11 months, having never been crowned before he abdicated. King George VI was King for “only” 6 months before he was crowned. Queen Elizabeth II was Queen for a solid 16 months before she w… [Previous page](https://boards.straightdope.com/c/factual-questions/9.md?page=550) [Next page](https://boards.straightdope.com/c/factual-questions/9.md?page=552)