# Factual Questions **URL:** https://boards.straightdope.com/c/factual-questions/9.md?page=738 [Latest](https://boards.straightdope.com/latest.md) · [Categories](https://boards.straightdope.com/categories.md) · [Tags](https://boards.straightdope.com/tags.md) **Page:** 739 --- ## [Question for aircraft pilots and ATC](https://boards.straightdope.com/t/question-for-aircraft-pilots-and-atc/785627)
**Author:** [@Cabin\_Fever\_1](https://boards.straightdope.com/u/Cabin_Fever_1)\ **Replies:** 18\ **Last updated:** [May 4, 2017, 12:58am UTC](https://boards.straightdope.com/t/question-for-aircraft-pilots-and-atc/785627 "2017-05-04T00:58:43Z")
It is raining here and rather than doing something healthy and productive. I decided to sit in front of this laptop and visit liveatc . com and flightaware . com. (not affiliated in any way. Mods move as you see fit). S… --- ## [During launches on a carrier, who is actually speaking with whom?](https://boards.straightdope.com/t/during-launches-on-a-carrier-who-is-actually-speaking-with-whom/785528)
**Author:** [@Leo\_Bloom](https://boards.straightdope.com/u/Leo_Bloom)\ **Replies:** 15\ **Last updated:** [May 3, 2017, 11:30pm UTC](https://boards.straightdope.com/t/during-launches-on-a-carrier-who-is-actually-speaking-with-whom/785528 "2017-05-03T23:30:59Z")
Here’s 10 minutes of wordless P.O.V. of what they tell me is that of a\[? the?\] Topside Petty Officer. The organization, coordination, efficiency, and clarity of deck operations is legendary, and God knows I can hardly m… --- ## [On The Declaration of Independence...](https://boards.straightdope.com/t/on-the-declaration-of-independence/785181)
**Author:** [@Jinx](https://boards.straightdope.com/u/Jinx)\ **Replies:** 34\ **Last updated:** [May 3, 2017, 10:57pm UTC](https://boards.straightdope.com/t/on-the-declaration-of-independence/785181 "2017-05-03T22:57:08Z")
So, researchers believe they found an authentic, second copy of the Declaration of Independence in Chichester, England. Reporters claim the only other copy is the original kept at the National Archives in Washington, DC.… --- ## [Does the double-slit experiment depend on the observer knowing how many slits there are?](https://boards.straightdope.com/t/does-the-double-slit-experiment-depend-on-the-observer-knowing-how-many-slits-there-are/785672)
**Author:** [@MorrisCody](https://boards.straightdope.com/u/MorrisCody)\ **Replies:** 15\ **Last updated:** [May 3, 2017, 9:54pm UTC](https://boards.straightdope.com/t/does-the-double-slit-experiment-depend-on-the-observer-knowing-how-many-slits-there-are/785672 "2017-05-03T21:54:29Z")
I know the answer is probably the obvious, but results of the double-slit experiment are so counterintuitive that…well, maybe it isn’t obvious—particularly since the interference pattern disappears when an observer knows… --- ## [Could a gas turbine powered Bugatti work?](https://boards.straightdope.com/t/could-a-gas-turbine-powered-bugatti-work/785775)
**Author:** [@cjackson](https://boards.straightdope.com/u/cjackson)\ **Replies:** 12\ **Last updated:** [May 3, 2017, 9:26pm UTC](https://boards.straightdope.com/t/could-a-gas-turbine-powered-bugatti-work/785775 "2017-05-03T21:26:49Z")
The Bugatti Chiron uses a 16 cylinder engine and can go northwards of 250 mph. Would it be possible to go even faster with a gas turbine? --- ## [NK's latest threat against the US question](https://boards.straightdope.com/t/nks-latest-threat-against-the-us-question/785091)
**Author:** [@dolphinboy](https://boards.straightdope.com/u/dolphinboy)\ **Replies:** 52\ **Last updated:** [May 3, 2017, 8:10pm UTC](https://boards.straightdope.com/t/nks-latest-threat-against-the-us-question/785091 "2017-05-03T20:10:21Z")
Mods:I believe there should be a factual answer to this question. Given what we know about North Korea’s ability to attack ships, at least on paper, how likely is it that NK could sink a US aircraft carrier? In other wo… --- ## [How much work does a yeoman do?](https://boards.straightdope.com/t/how-much-work-does-a-yeoman-do/669566)
**Author:** [@Try2B\_Comprehensive](https://boards.straightdope.com/u/Try2B_Comprehensive)\ **Replies:** 10\ **Last updated:** [May 3, 2017, 7:14pm UTC](https://boards.straightdope.com/t/how-much-work-does-a-yeoman-do/669566 "2017-05-03T19:14:10Z")
Every blue moon I see the phrase, “\[so-and-so\] did yeoman’s work.” I’m not sure I’m asking the right question- maybe it is a type of work? Or… something I don’t understand because I am not familiar with a single yeoman? … --- ## [Could a .50 M2 machine gun penetrate a WW1 tank's armor?](https://boards.straightdope.com/t/could-a-50-m2-machine-gun-penetrate-a-ww1-tanks-armor/785606)
**Author:** [@dude\_robert](https://boards.straightdope.com/u/dude_robert)\ **Replies:** 27\ **Last updated:** [May 3, 2017, 6:14pm UTC](https://boards.straightdope.com/t/could-a-50-m2-machine-gun-penetrate-a-ww1-tanks-armor/785606 "2017-05-03T18:14:16Z")
So I read just thinking, I wonder what would happen if a M1A2 tank was stranded in a WW1 battlefield and it’s main cannon was out of bullets from a battle in more recent times. Could it destroy or disable oncoming WW1 t… --- ## [Any other scientific paradigm overturning as dramatic as "infections cause ulcers" in last 40 years?](https://boards.straightdope.com/t/any-other-scientific-paradigm-overturning-as-dramatic-as-infections-cause-ulcers-in-last-40-years/785549)
**Author:** [@astro](https://boards.straightdope.com/u/astro)\ **Replies:** 54\ **Last updated:** [May 3, 2017, 5:36pm UTC](https://boards.straightdope.com/t/any-other-scientific-paradigm-overturning-as-dramatic-as-infections-cause-ulcers-in-last-40-years/785549 "2017-05-03T17:36:43Z")
This example Helicobacter pylori is often cited as the archetypal example of a scientific paradigm being overturned in modern times. Any other examples like this of huge revisions in scientific models in the last 30 -… --- ## [How strong was Andre the Giant?](https://boards.straightdope.com/t/how-strong-was-andre-the-giant/651415)
**Author:** [@The\_Man\_In\_Black](https://boards.straightdope.com/u/The_Man_In_Black)\ **Replies:** 54\ **Last updated:** [May 3, 2017, 4:00pm UTC](https://boards.straightdope.com/t/how-strong-was-andre-the-giant/651415 "2017-05-03T16:00:56Z")
Does anyone know how strong Andre the giant was in his prime? I have heard he flipped a car and such things. But what was his deadlift and squat? Does anyone have these numbers? For that matter, is is true he flipped… --- ## [How closely do/can the Russians monitor our strategic AF operations? (And us them)](https://boards.straightdope.com/t/how-closely-do-can-the-russians-monitor-our-strategic-af-operations-and-us-them/785756)
**Author:** [@Leo\_Bloom](https://boards.straightdope.com/u/Leo_Bloom)\ **Replies:** 3\ **Last updated:** [May 3, 2017, 3:49pm UTC](https://boards.straightdope.com/t/how-closely-do-can-the-russians-monitor-our-strategic-af-operations-and-us-them/785756 "2017-05-03T15:49:39Z")
See query. Prompted by this real vid of a real event with the unfortunate title DEFCON 1 SCENARIO!!! AIR FORCE SCRAMBLES 20 B-52 Bombers into the Air!!!, which apparently is from an exercise six months in the making, whi… --- ## [coat hanger abortion: how? (don't need answer fast)](https://boards.straightdope.com/t/coat-hanger-abortion-how-dont-need-answer-fast/785730)
**Author:** [@Machine\_Elf](https://boards.straightdope.com/u/Machine_Elf)\ **Replies:** 12\ **Last updated:** [May 3, 2017, 3:18pm UTC](https://boards.straightdope.com/t/coat-hanger-abortion-how-dont-need-answer-fast/785730 "2017-05-03T15:18:28Z")
AIUI, the stereotypical improvised/DIY abortion involved a coat hanger. Somehow. So how was it supposed to work? Was the idea to: -insert a loop of hanger wire into the uterus to try to ensnare the fetus and pull it … --- ## [Identify this object: "H-P TOOL"](https://boards.straightdope.com/t/identify-this-object-h-p-tool/785548)
**Author:** [@toadspittle](https://boards.straightdope.com/u/toadspittle)\ **Replies:** 22\ **Last updated:** [May 3, 2017, 11:00am UTC](https://boards.straightdope.com/t/identify-this-object-h-p-tool/785548 "2017-05-03T11:00:52Z")
My dad was a US Navy aviator during the Korean War. He flew Corsairs. We were recently going through some of his old gear (flight suits, helmets, etc.) and came across an object we could not identify. The only identifyi… --- ## [Heisenberg Uncertainty Principle and Simultaneous Measurement](https://boards.straightdope.com/t/heisenberg-uncertainty-principle-and-simultaneous-measurement/785745)
**Author:** [@whc.03grady](https://boards.straightdope.com/u/whc.03grady)\ **Replies:** 11\ **Last updated:** [May 3, 2017, 9:35am UTC](https://boards.straightdope.com/t/heisenberg-uncertainty-principle-and-simultaneous-measurement/785745 "2017-05-03T09:35:45Z")
Heisenberg says if I measure particle Z’s momentum at t, I can’t know it’s location at t. So why can’t I enlist Jones: he’ll measure Z’s location but remain ignorant of its momentum of course; I’ll measure Z’s momentum a… --- ## [What is "mopery?"](https://boards.straightdope.com/t/what-is-mopery/55096)
**Author:** [@Rysdad](https://boards.straightdope.com/u/Rysdad)\ **Replies:** 32\ **Last updated:** [May 3, 2017, 9:12am UTC](https://boards.straightdope.com/t/what-is-mopery/55096 "2017-05-03T09:12:13Z")
I get the feeling that it’s kind of a made-up term used like, “general assholishness and other such folderol.” I’ve searched a number of threads, and I didn’t find any real clear-cut, definitive answer. There probably is… --- ## [what are those small yellow "seeds" covering my yard](https://boards.straightdope.com/t/what-are-those-small-yellow-seeds-covering-my-yard/785705)
**Author:** [@Honey](https://boards.straightdope.com/u/Honey)\ **Replies:** 9\ **Last updated:** [May 3, 2017, 8:15am UTC](https://boards.straightdope.com/t/what-are-those-small-yellow-seeds-covering-my-yard/785705 "2017-05-03T08:15:00Z")
I don’t know what they are, but they cover my yard and my car. They come from the same trees that also cover my yard in those damn “helicopters”, or samaras. I think they’re maples. I’m not talking about a dust of yell… --- ## [Method for converting Powerpoint](https://boards.straightdope.com/t/method-for-converting-powerpoint/785689)
**Author:** [@anomalous1](https://boards.straightdope.com/u/anomalous1)\ **Replies:** 4\ **Last updated:** [May 3, 2017, 4:56am UTC](https://boards.straightdope.com/t/method-for-converting-powerpoint/785689 "2017-05-03T04:56:19Z")
Does anyone have a method they have used to convert a powerpoint into a video? A video capable of being uploaded to youtube or something similar? I see this all the time (power points that are videos) and its a big gap i… --- ## [Feynman explains magnets. I get the repulsion explanation, by why attraction?](https://boards.straightdope.com/t/feynman-explains-magnets-i-get-the-repulsion-explanation-by-why-attraction/785467)
**Author:** [@Quintas](https://boards.straightdope.com/u/Quintas)\ **Replies:** 18\ **Last updated:** [May 3, 2017, 1:16am UTC](https://boards.straightdope.com/t/feynman-explains-magnets-i-get-the-repulsion-explanation-by-why-attraction/785467 "2017-05-03T01:16:03Z")
He explains to the interviewer that it’s related to the same reason you can’t put your hand through the chair. In a magnet, the atoms all line up and that same force gets magnified so that you feel the repu… --- ## [Can I receive a fax on my computer?](https://boards.straightdope.com/t/can-i-receive-a-fax-on-my-computer/687465)
**Author:** [@ThelmaLou](https://boards.straightdope.com/u/ThelmaLou)\ **Replies:** 16\ **Last updated:** [May 3, 2014, 5:55pm UTC](https://boards.straightdope.com/t/can-i-receive-a-fax-on-my-computer/687465 "2014-05-03T17:55:20Z")
I finally gave up my land line (and fax machine) a few months ago, because I was only using it for faxing and then only a couple of times a year. Well, this is one of those times when a colleague will need to fax me a p… --- ## [Just how good an approximation is Nukemap?](https://boards.straightdope.com/t/just-how-good-an-approximation-is-nukemap/785732)
**Author:** [@boffking](https://boards.straightdope.com/u/boffking)\ **Replies:** 3\ **Last updated:** [May 2, 2017, 8:48pm UTC](https://boards.straightdope.com/t/just-how-good-an-approximation-is-nukemap/785732 "2017-05-02T20:48:59Z")
I’ve been seeing a lot of talk on these boards about Nukemap recently, and have been playing around with it myself. It seems a little fishy to me that the blast radii are always perfect circles. How big of an effect wo… --- ## [How Could I Receive an Email Notification Every 117 Days?](https://boards.straightdope.com/t/how-could-i-receive-an-email-notification-every-117-days/785673)
**Author:** [@PastTense](https://boards.straightdope.com/u/PastTense)\ **Replies:** 6\ **Last updated:** [May 2, 2017, 8:44pm UTC](https://boards.straightdope.com/t/how-could-i-receive-an-email-notification-every-117-days/785673 "2017-05-02T20:44:48Z")
Google Calendar would let me do it every 16 weeks (112 days). I use Windows 7. Thanks. --- ## [How does a motor "burn out"?](https://boards.straightdope.com/t/how-does-a-motor-burn-out/603731)
**Author:** [@phouka](https://boards.straightdope.com/u/phouka)\ **Replies:** 23\ **Last updated:** [May 2, 2017, 8:40pm UTC](https://boards.straightdope.com/t/how-does-a-motor-burn-out/603731 "2017-05-02T20:40:29Z")
Dad killed the paper shredder. At least, we think he’s the culprit. Mom and I were always very careful about minding how many sheets could go in at a time and letting it cool off if it got too hot. Probably one place we … --- ## [Why did so many early computer ads mention usage for "Storing Recipes"?](https://boards.straightdope.com/t/why-did-so-many-early-computer-ads-mention-usage-for-storing-recipes/778569)
**Author:** [@Asuka](https://boards.straightdope.com/u/Asuka)\ **Replies:** 86\ **Last updated:** [May 2, 2017, 7:34pm UTC](https://boards.straightdope.com/t/why-did-so-many-early-computer-ads-mention-usage-for-storing-recipes/778569 "2017-05-02T19:34:23Z")
So many computer ads (both print and on TV) mention how in addition to doing your taxes, balancing your checkpoint, and playing electronic games that you could also store recipes on them. In fact, those four things were … --- ## [How can anyone appeal a Supreme Court decision?](https://boards.straightdope.com/t/how-can-anyone-appeal-a-supreme-court-decision/784883)
**Author:** [@aldiboronti](https://boards.straightdope.com/u/aldiboronti)\ **Replies:** 48\ **Last updated:** [May 2, 2017, 7:34pm UTC](https://boards.straightdope.com/t/how-can-anyone-appeal-a-supreme-court-decision/784883 "2017-05-02T19:34:02Z")
This particular supreme court is the Russian Supreme Court which today ruled that Jehovah’s Witnesses were an extremist organization, banned them and confiscated their property. But this is the bit that puzzled me. App… --- ## [Teach me how to research...](https://boards.straightdope.com/t/teach-me-how-to-research/785633)
**Author:** [@PooclearWar](https://boards.straightdope.com/u/PooclearWar)\ **Replies:** 25\ **Last updated:** [May 2, 2017, 6:16pm UTC](https://boards.straightdope.com/t/teach-me-how-to-research/785633 "2017-05-02T18:16:57Z")
As the internet gets more and more stuffed with clickbait and purposefully biased articles written to annoy or bolster the righteousness of the reader I’ve found it’s getting harder and harder to actually find info I’m l… --- ## [Sending a FB messenger conversation to someone who doesn't have FB?](https://boards.straightdope.com/t/sending-a-fb-messenger-conversation-to-someone-who-doesnt-have-fb/785598)
**Author:** [@Canadjun](https://boards.straightdope.com/u/Canadjun)\ **Replies:** 7\ **Last updated:** [May 2, 2017, 5:45pm UTC](https://boards.straightdope.com/t/sending-a-fb-messenger-conversation-to-someone-who-doesnt-have-fb/785598 "2017-05-02T17:45:52Z")
I have a friend who doesn’t use Facebook and has no intention of starting (so “just get him to use Facebook” is not a valid answer to my problem). With some cutting, pasting, and editing I was able to get an understanda… --- ## [Prosecution of self induced abortion pre-Roe](https://boards.straightdope.com/t/prosecution-of-self-induced-abortion-pre-roe/785728)
**Author:** [@Buck\_Godot](https://boards.straightdope.com/u/Buck_Godot)\ **Replies:** 3\ **Last updated:** [May 2, 2017, 5:40pm UTC](https://boards.straightdope.com/t/prosecution-of-self-induced-abortion-pre-roe/785728 "2017-05-02T17:40:50Z")
Based on this article: Before Roe V Wade, were there any cases of women who self induced abortion being prosecuted? --- ## [How to refuel a plane in the air.:](https://boards.straightdope.com/t/how-to-refuel-a-plane-in-the-air/778000)
**Author:** [@Channing\_Idaho\_Banks](https://boards.straightdope.com/u/Channing_Idaho_Banks)\ **Replies:** 46\ **Last updated:** [May 2, 2017, 3:16pm UTC](https://boards.straightdope.com/t/how-to-refuel-a-plane-in-the-air/778000 "2017-05-02T15:16:32Z")
B2 bombers fly to Libya and are refueled 13 times without landing. I assume there’s some sort of logistical pattern that has these refueling planes available at the right place at the right time for the mission. Do the … --- ## [Polk County, Arkansas Killings](https://boards.straightdope.com/t/polk-county-arkansas-killings/785712)
**Author:** [@Paul\_in\_Qatar](https://boards.straightdope.com/u/Paul_in_Qatar)\ **Replies:** 3\ **Last updated:** [May 2, 2017, 2:49pm UTC](https://boards.straightdope.com/t/polk-county-arkansas-killings/785712 "2017-05-02T14:49:52Z")
Lookie here. The police in a couple of small towns have found four people dead. I understand the story is breaking, but the quality of the writing leaves many question. Was this a mass killing or a serial killing? (I ne… --- ## [fat](https://boards.straightdope.com/t/fat/785639)
**Author:** [@crucible](https://boards.straightdope.com/u/crucible)\ **Replies:** 10\ **Last updated:** [May 2, 2017, 2:32pm UTC](https://boards.straightdope.com/t/fat/785639 "2017-05-02T14:32:17Z")
I’ve been losing weight a bit at a time for 4 months and am pondering the physiological question of how fat caused by eating too many calories is formed and how it comes to be stored at various spots around the body and … [Previous page](https://boards.straightdope.com/c/factual-questions/9.md?page=737) [Next page](https://boards.straightdope.com/c/factual-questions/9.md?page=739)