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So I found a griddle that was in pretty bad shape seasoning wise so I stripped it and noticed a small shiny area which worried me about lead. I ordered some lead tests that stated they were for metal (no specifics) and after doing the tests it came back positive. But this got me wondering if iron reacts with sodium rhodizonate, the main ingredient in these lead tests, to give false positives and load and behold it does. I confirmed this with another cast iron cookware that I know 100% never touched lead. So my question is how the hell do I test this? Everyone keeps recommending the same sodium rhodizonate lead test swabs just with different brand names.

Tldr: After stripping a griddle and finding a shiny spot, I tested it for lead and it came back positive, leading to concerns about the reaction between iron and sodium rhodizonate. The question is how to accurately test for lead contamination in the griddle without potential false positives from the test method recommended by others?

Edit: wanted to add some more info. I did experiment with the test themselves to see how reliable they were and they passed it so I don't suspect its the test themselves but the chemical reaction between iron and the sodium rhodizonate

Been using signal for years and love it and got the majority of my contacts on to it. My question is how are usernames useful now? You still need to register with a phone number with signal to limit spam and bots afaik and I'm assuming you should protect your username just like you do your phone number anyways because spam, malicious files/messages, etc... What scenario is this addressing where an average person gives up their username to a stranger? The only one I can think of is online dating or other online interactions like on forums. Just seems this is just more tailored to the people who need to be pseudo-anonymous for whatever reason than an actual privacy feature. Even then for the anonymous people does that mean usernames will be able to be changed?

Tldr: Questioning what scenario does signal's new usernames address for the average Joe?

Edit: Just realized can be very useful for work relationships

Hope this is alright to ask here but was wondering if there was a setting I haven't enabled that would let me block a user without having to visit their "profile" for a lack of better words. I mostly block spammers that i see on my home feed and well I kinda don't like to expose myself to their other content just to block them. Thanks in advance for a point in the right direction

To start off: I was explaining to my friend that I don't have a grounding point in my house (plumbing is PVC, outlets are gcfi protected only, not allowed to drive a grounding rod into the ground, etc...) and that I've just been handling sensitive electronics with just luck and preparation (humidity, moisturizer, no synthetic clothing, etc...) all this time. He told me to just wire myself to a good, multimeter tested, grounding point in a car and that will discharge any built-up static electricity. I'm not smart enough to argue with him on this subject but that doesnt seem the safest. Would that work or should I just keep doing my method? My understanding is that chassis grounding is essentially replacing wires with the frame so the outcome would just be connecting myself to the negative terminal of a car battery.

Tldr: I'm explaining my lack of a grounding point at home for sensitive electronics and is advised by my friend to wire myself to a grounded point in a car to discharge built-up static electricity. However, I'm uncertain about the safety of this suggestion and questions whether my current method of handling electronics with precautions is sufficient.

Edit: lmao people are really getting hung up on the no grounded outlet part. Umm my best explanation I guess is that its an older house that had 2 prong outlets and was "updated" with gfci protected outlets afterwards think the breakers as well. My understanding is that its up to code but I'm not an electrician. As for the plumbing I'm sure there's still copper somewhere but the majority has been updated to pvc over the years. Again it's not my house I don't want to go biting the hand that feeds me. Thank you though, haha

Edit #2: thank you all so much for the helpful advice, I really appreciate all of you!

Hi everyone, I'm In the need of an offline calendar and gallery now that simplemobiletools got sold off. I'm wondering what you guys use? My bad if the formatting is weird on this post, I'm trying out a new lemmy client

Edit what I found so far

Gallery replacment: gallery

Hey, I've been using collabora to edit/open some spreadsheets on android but it's honestly becoming a bit of a pain for me, freezing and blanking some cells being the big ones, and so I'm looking for an alternative. I tried excel without network access and it works but I do have to clear storage everytime to bypass the "signin prompt" that shows up randomly when opening a spreadsheet which disables editing, so I would like to avoid that too if it's possible.

Hey just wondering if its a problem on my end but a self update notification indicating a newer version of signal keeps popping up. I already have the latest version of the apk, 6.40.4, installed from their website, but the notification does not go away. I click it and then it states the application has been updated but after a few minutes later it pops up again. Not sure where to ask this but I would assume this place is one of the best places to interact with people that also use signal's non-playstore apk. Is this a bug on my end or are you experiencing it too?

Edit: forgot to mention I'm on grapheneos if thats a factor

Edit 2: apparently it was already reported on github and I missed it

Another post regarding time travel got me wondering how far back in time can I hypothetically leave a modern computer where they, the most capable engineers of their time, can then somewhat reverse engineer it or even partially?

Was cleaning out my storage shed and found a bunch of vhs movies (no home movies) in questionable state. Is there anything worth doing or should I dump them (think they can be recycled)? Before it's said, I don't think they're worth digitalizing imo.

I've been using veracrypt for the past 4 years to create container files in everything from thumb drives to external hard drives. After upgrading one of my backup drives, I decided that I will switch to a different filesystem altogether going on, from ntfs to ext4, since I havent really used windows in those 4 years. With the reasoning behind using veracrypt and ntfs in the first place being for compatibility, should I switch to LUKS? Veracrypt is dramatically more feature rich but I dont really take advantage of those. I just encrypt my drives in case of burglars and other unwanted eyes. I do already have a disaster plan in place so I would have to do a total overhaul of things, but I'm not sure if this is a wise decision. My gut says no but what do you think? What would I gain?

Edit: shouldve added that these drives are for warm storage for my weekly manual backups of files.

Edit 2: the general opinion is to use a tool that supports encryption but I dont really feel comfortable with that but do appreciate it. It's just I've been manually updating my backup drives for a while now and like how simple my routine is. Think my decision is to just stick with veracrypt but format every future drive (including a new one I ordered) as ext4. My current drives wont be reformatted in order to reduce unnecessary wear on them. Thank you all for your help

Originally posted in the linux community but wanted to expand my results a bit. Hopefully this isnt considered tech support since the problem is already solved and I just want information. (Copy & pasted) Still new to linux hope its ok to ask here. I decided to replace one of my backup drives for the first time in 5ish years with a new 2.5" HDD meant for internal use but in an enclosure (the enclosure works fine). I formatted it in ntfs via gparted and everything went as expected, I even created a large veracrypt container file. I safely removed the drive and after a few hours I re-connected it and it made the notification noise that indicates the drive was detected but it's filesystem wasn't mounted. It showed up in gparted, disks and lsblk (as sdb1). Searched online and learned to manually mount it in the /mnt/ directory but I didnt want to manually do that everytime. I ended up reformatting it and for good measure, connected to another port and boom it mounted once connected. Decided not to create the file container or even incorporate the drive into my backup strategy yet until I get input whether or not this is a hardware issue or software. So what do you guys think happened? Not sure what info to provide.

Edit: the filesystem and encryption software I chose is for compatibility between my devices and both machines have the proper software to support that filesystem

Edit 2: new errors relating to my hardware started showing up when further proceeding with my plan so I'm just going to return it and try again

Still new to linux hope its ok to ask here. I decided to replace one of my backup drives for the first time in 5ish years with a new 2.5" HDD meant for internal use but in an enclosure (the enclosure works fine). I formatted it in ntfs via gparted and everything went as expected, I even created a large veracrypt container file. I safely removed the drive and after a few hours I re-connected it and it made the notification noise that indicates the drive was detected but it's filesystem wasn't mounted. It showed up in gparted, disks and lsblk (as sdb1). Searched online and learned to manually mount it in the /mnt/ directory but I didnt want to manually do that everytime. I ended up reformatting it and for good measure, connected to another port and boom it mounted once connected. Decided not to create the file container or even incorporate the drive into my backup strategy yet until I get input whether or not this is a hardware issue or software. So what do you guys think happened? Not sure what info to provide

Edit: the filesysten and encryption software I chose is for compatibility between my devices

Edit 2: new errors relating to my hardware started showing up when further proceeding with my plan so I'm just going to return it and try again