# Factual Questions **URL:** https://boards.straightdope.com/c/factual-questions/9.md?page=1087 [Latest](https://boards.straightdope.com/latest.md) · [Categories](https://boards.straightdope.com/categories.md) · [Tags](https://boards.straightdope.com/tags.md) **Page:** 1088 --- ## [Intellectual property Q](https://boards.straightdope.com/t/intellectual-property-q/724009)
**Author:** [@Peter\_Doubt](https://boards.straightdope.com/u/Peter_Doubt)\ **Replies:** 4\ **Last updated:** [July 2, 2015, 2:36pm UTC](https://boards.straightdope.com/t/intellectual-property-q/724009 "2015-07-02T14:36:17Z")
Is there a ‘go to’ service or website for posting images that you want to copyright and retain rights to? Any general guidelines for trying to copyright a photographic image appreciated. --- ## [iPhone OOPS!](https://boards.straightdope.com/t/iphone-oops/723916)
**Author:** [@Marion\_Wormer](https://boards.straightdope.com/u/Marion_Wormer)\ **Replies:** 12\ **Last updated:** [July 2, 2015, 11:40am UTC](https://boards.straightdope.com/t/iphone-oops/723916 "2015-07-02T11:40:55Z")
How do I detect keylogger or other nasty tools on an iphone5? So, my iphone’s battery went to the big battery storage place in the sky. I had enough power to run the phone, but the battery had got hot and swelled up nec… --- ## [Catching a cold during a heat wave](https://boards.straightdope.com/t/catching-a-cold-during-a-heat-wave/723947)
**Author:** [@Les\_Espaces\_Du\_Sommeil](https://boards.straightdope.com/u/Les_Espaces_Du_Sommeil)\ **Replies:** 7\ **Last updated:** [July 2, 2015, 11:15am UTC](https://boards.straightdope.com/t/catching-a-cold-during-a-heat-wave/723947 "2015-07-02T11:15:30Z")
It’s very frequent to get sick when the temperatures are low. And we know that while it’s not the actual cold that makes you sick, it makes you prone to it by weakening your immune system and thus making it easier for vi… --- ## [the immune system to eradicate microscopic cancer cells](https://boards.straightdope.com/t/the-immune-system-to-eradicate-microscopic-cancer-cells/723910)
**Author:** [@system](https://boards.straightdope.com/u/system)\ **Replies:** 12\ **Last updated:** [July 2, 2015, 7:04am UTC](https://boards.straightdope.com/t/the-immune-system-to-eradicate-microscopic-cancer-cells/723910 "2015-07-02T07:04:11Z")
the immune system to eradicate microscopic cancer cells --- ## [ETicket Airport Question](https://boards.straightdope.com/t/eticket-airport-question/723547)
**Author:** [@Pauly01](https://boards.straightdope.com/u/Pauly01)\ **Replies:** 36\ **Last updated:** [July 2, 2015, 5:49am UTC](https://boards.straightdope.com/t/eticket-airport-question/723547 "2015-07-02T05:49:44Z")
Have a flight international back to the USA. When coming from USA to outside usa, i always print the eticket since i have access to printer. I booked through orbitz and was told i needed to print eticket. Contacted je… --- ## [Does every island have a spring?](https://boards.straightdope.com/t/does-every-island-have-a-spring/723882)
**Author:** [@Aeschines](https://boards.straightdope.com/u/Aeschines)\ **Replies:** 22\ **Last updated:** [July 2, 2015, 2:08am UTC](https://boards.straightdope.com/t/does-every-island-have-a-spring/723882 "2015-07-02T02:08:41Z")
I was thinking about survival on small islands in the ocean. One of the first things they tell you about survival: find water. Follow a stream to a spring, etc. So you find yourself on an island in the middle of the oce… --- ## [How dangerous is a downed power line if you're inside a house?](https://boards.straightdope.com/t/how-dangerous-is-a-downed-power-line-if-youre-inside-a-house/723328)
**Author:** [@SlackerInc](https://boards.straightdope.com/u/SlackerInc)\ **Replies:** 28\ **Last updated:** [July 1, 2015, 11:55pm UTC](https://boards.straightdope.com/t/how-dangerous-is-a-downed-power-line-if-youre-inside-a-house/723328 "2015-07-01T23:55:36Z")
I’ve always heard about how safe one is from lightning (as long as you don’t touch plumbing and aren’t right by an open door or window) because of the “Faraday cage” effect. Does this hold also for downed power lines? … --- ## [Will water in a glass eventually be the same temperature as the ambient air temp?](https://boards.straightdope.com/t/will-water-in-a-glass-eventually-be-the-same-temperature-as-the-ambient-air-temp/723854)
**Author:** [@SmallBrownBurro](https://boards.straightdope.com/u/SmallBrownBurro)\ **Replies:** 19\ **Last updated:** [July 1, 2015, 11:31pm UTC](https://boards.straightdope.com/t/will-water-in-a-glass-eventually-be-the-same-temperature-as-the-ambient-air-temp/723854 "2015-07-01T23:31:40Z")
Settle a (stupid, low stakes) bet. Question is in the title. If you have a glass of water and leave it sitting around on your kitchen table will the temperature of the water eventually be the same as the ambient air tem… --- ## [How do prosecutors prove microscopic evidence?](https://boards.straightdope.com/t/how-do-prosecutors-prove-microscopic-evidence/723950)
**Author:** [@Quartz](https://boards.straightdope.com/u/Quartz)\ **Replies:** 6\ **Last updated:** [July 1, 2015, 11:15pm UTC](https://boards.straightdope.com/t/how-do-prosecutors-prove-microscopic-evidence/723950 "2015-07-01T23:15:11Z")
“Milord, we found microscopic blood belonging to the defendant at the scene of the crime. This proves her guilt.” How do prosecutors prove that the evidence was actually there and not planted or the result of contaminat… --- ## [How did Archimedes do square roots?](https://boards.straightdope.com/t/how-did-archimedes-do-square-roots/723626)
**Author:** [@Hari\_Seldon](https://boards.straightdope.com/u/Hari_Seldon)\ **Replies:** 50\ **Last updated:** [July 1, 2015, 9:46pm UTC](https://boards.straightdope.com/t/how-did-archimedes-do-square-roots/723626 "2015-07-01T21:46:55Z")
Lying in bed unable to go back to sleep this morning I worked out what is the length of a regular hexagon circumscribed about a circle of diameter 1 (it is 2\*sqrt(3), about 3.46) and then started thinking about what I’ve… --- ## [What's the precise meaning of “unusual” punishment?](https://boards.straightdope.com/t/whats-the-precise-meaning-of-unusual-punishment/723948)
**Author:** [@Donnerwetter](https://boards.straightdope.com/u/Donnerwetter)\ **Replies:** 9\ **Last updated:** [July 1, 2015, 8:49pm UTC](https://boards.straightdope.com/t/whats-the-precise-meaning-of-unusual-punishment/723948 "2015-07-01T20:49:29Z")
The English Bill of Rights and the American Constitution talk about cruel and unusual punishment. While it makes perfect sense that a humane society frowns upon being cruel even to a convicted criminal, I wonder what the… --- ## [Questions about computer being "busy" and Task Manager](https://boards.straightdope.com/t/questions-about-computer-being-busy-and-task-manager/723982)
**Author:** [@Gary\_T](https://boards.straightdope.com/u/Gary_T)\ **Replies:** 3\ **Last updated:** [July 1, 2015, 8:46pm UTC](https://boards.straightdope.com/t/questions-about-computer-being-busy-and-task-manager/723982 "2015-07-01T20:46:51Z")
A few times a day my computer is clicking/chattering away like it’s as busy as can be, and when it’s doing that it’s super slow in doing anything I want it to do. How can I find out what it’s doing during these incidents… --- ## [Leap seconds and the rotation of the earth](https://boards.straightdope.com/t/leap-seconds-and-the-rotation-of-the-earth/723869)
**Author:** [@bizerta](https://boards.straightdope.com/u/bizerta)\ **Replies:** 14\ **Last updated:** [July 1, 2015, 8:09pm UTC](https://boards.straightdope.com/t/leap-seconds-and-the-rotation-of-the-earth/723869 "2015-07-01T20:09:00Z")
A leap second will be added to UTC at 23:59:60 tonight. The earth’s rotation is slowing down because of the tides and the moon. When (and how) did astronomers first realize this? As I understand the graph at leap se… --- ## [Software to watch jpeg sill images as a movie](https://boards.straightdope.com/t/software-to-watch-jpeg-sill-images-as-a-movie/723978)
**Author:** [@Boyo\_Jim](https://boards.straightdope.com/u/Boyo_Jim)\ **Replies:** 4\ **Last updated:** [July 1, 2015, 8:04pm UTC](https://boards.straightdope.com/t/software-to-watch-jpeg-sill-images-as-a-movie/723978 "2015-07-01T20:04:43Z")
I have a bunch of still images that I would like to view (and store) as a movie, ideally one where I can set an fps speed for the best result. My Google foo is failing to find the right search terms. Can you help me? --- ## [What are the replacement options for a newish Ford key/fob?](https://boards.straightdope.com/t/what-are-the-replacement-options-for-a-newish-ford-key-fob/723696)
**Author:** [@SenorBeef](https://boards.straightdope.com/u/SenorBeef)\ **Replies:** 9\ **Last updated:** [July 1, 2015, 6:32pm UTC](https://boards.straightdope.com/t/what-are-the-replacement-options-for-a-newish-ford-key-fob/723696 "2015-07-01T18:32:30Z")
A friend needs a spare key for a 2012 (I think) fiesta. I’m pretty sure the dealership would charge quite a high price for such a thing, so I was wondering what other options there are. Is it possible to have just a key… --- ## [New Passport Photo Question](https://boards.straightdope.com/t/new-passport-photo-question/723551)
**Author:** [@Pauly01](https://boards.straightdope.com/u/Pauly01)\ **Replies:** 16\ **Last updated:** [July 1, 2015, 6:08pm UTC](https://boards.straightdope.com/t/new-passport-photo-question/723551 "2015-07-01T18:08:56Z")
Will be renewing my passport. I know you need to have a picture of yourself to be used for the passport renewal. I had this done close to 10 years ago but i don’t recall the process well. So just go to rite aid or any… --- ## [Strange Sounds coming from the Sky!](https://boards.straightdope.com/t/strange-sounds-coming-from-the-sky/723577)
**Author:** [@Simple\_Mind](https://boards.straightdope.com/u/Simple_Mind)\ **Replies:** 12\ **Last updated:** [July 1, 2015, 5:57pm UTC](https://boards.straightdope.com/t/strange-sounds-coming-from-the-sky/723577 "2015-07-01T17:57:28Z")
Hi all, I just come across this story that I have not ever heard anything about, one thing I am aware of is the existens of “The Hum” but this is new to me, anybody up to comment on it, or maybe a report from somebody th… --- ## ['Blue Moons' in 30-day months?](https://boards.straightdope.com/t/blue-moons-in-30-day-months/723959)
**Author:** [@Earl\_Snake-Hips\_Tucker](https://boards.straightdope.com/u/Earl_Snake-Hips_Tucker)\ **Replies:** 3\ **Last updated:** [July 1, 2015, 4:47pm UTC](https://boards.straightdope.com/t/blue-moons-in-30-day-months/723959 "2015-07-01T16:47:30Z")
Yeah, I’m aware of the origin an evolution of the term ‘Blue Moon.’ For the purpose of this question, I’m referring to two full Moons in a calendar month. According to the wiki on Blue Moons, all of the ones between 20… --- ## [Small engine spraying oil out of muffler](https://boards.straightdope.com/t/small-engine-spraying-oil-out-of-muffler/723960)
**Author:** [@kayaker](https://boards.straightdope.com/u/kayaker)\ **Replies:** 1\ **Last updated:** [July 1, 2015, 3:58pm UTC](https://boards.straightdope.com/t/small-engine-spraying-oil-out-of-muffler/723960 "2015-07-01T15:58:34Z")
My gf has a rototiller, something like this, but old. It hasn’t been touched in the ten years I’ve known her, and wasn’t started for maybe five years before that. So, yesterday I thought I’d see if it would work. I did… --- ## [Calculating the cost of consumables](https://boards.straightdope.com/t/calculating-the-cost-of-consumables/723724)
**Author:** [@eschereal](https://boards.straightdope.com/u/eschereal)\ **Replies:** 15\ **Last updated:** [July 1, 2015, 2:51pm UTC](https://boards.straightdope.com/t/calculating-the-cost-of-consumables/723724 "2015-07-01T14:51:47Z")
hypothetical: I am going on a trip of moderate length. I fill my gas tank for $40 and drive out to Blurfless State Park to camp out for a week. When I get home, the price of fuel has gone up considerably, the same amoun… --- ## [Reactions to Loving v. Virginia in 1967?](https://boards.straightdope.com/t/reactions-to-loving-v-virginia-in-1967/723646)
**Author:** [@cwthree](https://boards.straightdope.com/u/cwthree)\ **Replies:** 26\ **Last updated:** [July 1, 2015, 2:18pm UTC](https://boards.straightdope.com/t/reactions-to-loving-v-virginia-in-1967/723646 "2015-07-01T14:18:25Z")
We’ve all seen the range of reactions - everything from ecstatic joy to predictions of the end of civilization - by pundits, commentators, politicians, etc. to yesterday’s decision in Obergefell v. Hodges legalizing same… --- ## [Bandsaw question](https://boards.straightdope.com/t/bandsaw-question/723820)
**Author:** [@HoneyBadgerDC](https://boards.straightdope.com/u/HoneyBadgerDC)\ **Replies:** 8\ **Last updated:** [July 1, 2015, 1:18pm UTC](https://boards.straightdope.com/t/bandsaw-question/723820 "2015-07-01T13:18:25Z")
A friend is giving me an old craftsman 14" bandsaw from the 1950’s. The saw has no motor. I plan to use a 1 horse motor on it but have a question on ratio. I have another 14" bandsaw for general use and wanted to set thi… --- ## [Flags of Nations... Have there ever been any conflicts?](https://boards.straightdope.com/t/flags-of-nations-have-there-ever-been-any-conflicts/723578)
**Author:** [@crypto](https://boards.straightdope.com/u/crypto)\ **Replies:** 50\ **Last updated:** [July 1, 2015, 1:11pm UTC](https://boards.straightdope.com/t/flags-of-nations-have-there-ever-been-any-conflicts/723578 "2015-07-01T13:11:03Z")
when you look at the flags of various narions, many of them look very similar. Poland, for example, has a flag that is white on top, and red on the bottom, and the flag of Indonesia is the exact opposite of this. (Red t… --- ## [Locating Evidence at Crime Scene](https://boards.straightdope.com/t/locating-evidence-at-crime-scene/723942)
**Author:** [@Waterman](https://boards.straightdope.com/u/Waterman)\ **Replies:** 11\ **Last updated:** [July 1, 2015, 1:06pm UTC](https://boards.straightdope.com/t/locating-evidence-at-crime-scene/723942 "2015-07-01T13:06:32Z")
I am sitting on a jury trial in which a detective for one of the local police departments described their procedure for locating items of evidence at a crime scene so that the crime scene can be later reconstructed. Thei… --- ## [How long does it take for alcohol to evap in a drink?](https://boards.straightdope.com/t/how-long-does-it-take-for-alcohol-to-evap-in-a-drink/723859)
**Author:** [@grude](https://boards.straightdope.com/u/grude)\ **Replies:** 8\ **Last updated:** [July 1, 2015, 10:49am UTC](https://boards.straightdope.com/t/how-long-does-it-take-for-alcohol-to-evap-in-a-drink/723859 "2015-07-01T10:49:49Z")
Pure ethanol, or as close to pure as you can get since it is hydroscopic, evaps fast at room temp. But what about in a mixed drink, or beer or wine? I’ve seen people drink wine left out overnight, or a opened beer, is t… --- ## [How do I get old and new style doorbells to work?](https://boards.straightdope.com/t/how-do-i-get-old-and-new-style-doorbells-to-work/723879)
**Author:** [@fastdan](https://boards.straightdope.com/u/fastdan)\ **Replies:** 2\ **Last updated:** [July 1, 2015, 9:42am UTC](https://boards.straightdope.com/t/how-do-i-get-old-and-new-style-doorbells-to-work/723879 "2015-07-01T09:42:34Z")
I bought a new style doorbell (electronic with a speaker) to add to my existing system to better hear the bell throughout the house. The problem I’m having is that the old style solenoid doorbell must be pulling down th… --- ## [How do I trim an .avi file?](https://boards.straightdope.com/t/how-do-i-trim-an-avi-file/136043)
**Author:** [@K364](https://boards.straightdope.com/u/K364)\ **Replies:** 1\ **Last updated:** [November 9, 2002, 8:46pm UTC](https://boards.straightdope.com/t/how-do-i-trim-an-avi-file/136043 "2002-11-09T20:46:36Z")
Any good freeware to lop off the last half of an .avi or .mpg? TIA!!! --- ## [Why didn't my brother electrocute himself?](https://boards.straightdope.com/t/why-didnt-my-brother-electrocute-himself/261097)
**Author:** [@pulykamell](https://boards.straightdope.com/u/pulykamell)\ **Replies:** 42\ **Last updated:** [July 1, 2015, 5:59am UTC](https://boards.straightdope.com/t/why-didnt-my-brother-electrocute-himself/261097 "2015-07-01T05:59:06Z")
For the life of me, I can’t figure this out. Awhile ago, we had a bad storm here and our basement flooded. Unfortunately, this is not that unusual an occurance. My brother, in his not-too-clearheaded-state, thought “Oh … --- ## [Is Trident good for your teeth?](https://boards.straightdope.com/t/is-trident-good-for-your-teeth/489765)
**Author:** [@Evil\_Economist](https://boards.straightdope.com/u/Evil_Economist)\ **Replies:** 7\ **Last updated:** [March 18, 2009, 3:34pm UTC](https://boards.straightdope.com/t/is-trident-good-for-your-teeth/489765 "2009-03-18T15:34:02Z")
I’ve started chewing Trident with Xylitol, which claims to “clean and protect teeth.” Is this a true claim, or are there hidden disclaimers I should be aware of (e.g., “only if used immediately after eating, if used at … --- ## [What are the dermatological uses of liquid nitrogen?](https://boards.straightdope.com/t/what-are-the-dermatological-uses-of-liquid-nitrogen/723904)
**Author:** [@jebert](https://boards.straightdope.com/u/jebert)\ **Replies:** 5\ **Last updated:** [July 1, 2015, 2:53am UTC](https://boards.straightdope.com/t/what-are-the-dermatological-uses-of-liquid-nitrogen/723904 "2015-07-01T02:53:04Z")
A long time ago a dermatologist used liquid nitrogen to remove a plantar wart from my foot. Another one I saw later used to carry a spray bottle of liquid nitrogen around with him in his lab coat. There must be quite a… [Previous page](https://boards.straightdope.com/c/factual-questions/9.md?page=1086) [Next page](https://boards.straightdope.com/c/factual-questions/9.md?page=1088)