[HN Gopher] Lasagna Battery Cell
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Lasagna Battery Cell
Author : nixass
Score : 110 points
Date : 2025-07-10 19:19 UTC (4 days ago)
(HTM) web link (amazingribs.com)
(TXT) w3m dump (amazingribs.com)
| wlkr wrote:
| Interesting phenomenon I hadn't heard of before today. It looks
| like someone else thought to cross-post this from Reddit!
|
| https://www.reddit.com/r/Weird/comments/1lwj0qy/weird_holes_...
| extraduder_ire wrote:
| Lasagne batteries hit the front page of reddit every couple of
| months. That's where I learned about galvanic corrosion in
| general a couple of years ago.
| voiper1 wrote:
| I know tomato (acidic) will make holes in aluminum foil but I
| didn't know more than that.
|
| I guess today's my day: https://xkcd.com/1053/
| dcminter wrote:
| On a related note and a slightly larger scale:
|
| https://en.m.wikipedia.org/wiki/Galvanic_anode
| user____name wrote:
| I would like to announce I am now working on a business plan to
| bring lasagna powered EVs to the masses.
| chews wrote:
| Garfield is probably a better CEO than the reigning EV one.
| jagged-chisel wrote:
| I don't think we want a CEO that's going to consume the
| entirety of a key ingredient in our product.
|
| That said, your point stands.
| moolcool wrote:
| Surprised and delighted to see a Meathead post on hackernews.
| MisterTea wrote:
| I myself have found holes in foil covering acidic foods like a
| pot of sauce. I always assumed it was acid attack. I also
| switched to using the pot's lid or saran if I have no lid.
|
| I'd like to know how much electrical energy a pan of lasagna
| contains and whether a discharged lasagna cell has a different
| flavor. Now I just need to invent a baking cell, a pan with
| insulated pockets so I keep my laptop and belly full ;-)
| ryao wrote:
| The lasagna is the electrolyte. The energy is contained in the
| metals.
| leonfedden wrote:
| I work at Literal Labs and I can confirm as of a few minutes ago,
| we are pivoting to powering our TinyML models by this exciting
| and delicious new technology!
| joecool1029 wrote:
| Littoral labs were ahead of you powering their billion dollar
| ships: https://en.m.wikipedia.org/wiki/USS_Independence_(LCS-2)
|
| Turns out using the ship's hull as an electrode was
| unsustainable and lead to an early decommissioning.
| assbuttbuttass wrote:
| Strange, this once happened to me with a tres leches cake that I
| made in a metal pan and covered with foil. The next morning the
| foil had tiny holes and the cake was covered in metal filings!
| Jgrubb wrote:
| I think that might be the single most hostile site I've ever
| tried to look at.
| floatrock wrote:
| The guy is a pitmaster, not a web designer.
|
| This is a case of read the book, not the cover. The site is
| wealth of information on how to do all sorts of low-and-slow
| BBQ, both on techniques and the science behind what's going on.
| Pop a beer, try his Memphis Dust rub recipe, and just turn off
| your urge to rebuild everything in whatever flavor of
| javascript du jour. This isn't meant to be that kind of post.
| owlninja wrote:
| It is an excellent source of information! Coincidentally I
| looked at this site on mobile over the weekend when looking
| for a recipe and I do not have an ad-blocker - it is
| extremely hostile. Several pop-ups, auto-play videos and
| everything pops right back up even after you close them all.
| I had never noticed before using desktop but yeesh.
| floatrock wrote:
| unfortunately that's the enshittification reality of the
| proliferation of free food recipe sites. It's a rule of
| thumb that you need to use an adblocker anytime you look
| for anything recipe-related online.
|
| Firefox Focus is an mobile firefox flavor that has built-in
| ad blocking and works quite well for cooking.
|
| I do also sometimes open up a few physical cookbooks I
| bought with like real money.
| stavros wrote:
| What's wrong with it? I read the article pretty
| straightforwardly, the images are a bit janky but it was
| otherwise fine.
| 3acctforcom wrote:
| Probably browsing without an adblocker. I do the same on my
| work laptop so that I don't have to factor that into
| troubleshooting front-end issues.
|
| The non-ad-blocked web is fucking insane.
| fryz wrote:
| This is one of those joyful concepts you learn about as a
| homeowner, especially on older homes.
|
| If you have plumbing that's done in different metal materials
| (copper, steel, lead, etc.) and any of your pipes touch, you have
| to perform regular maintenance and apply a dielectric grease
| (another one of those single-use materials that you have to buy
| and store away) or your pipes could corrode and cause a ton of
| damage.
| sebazzz wrote:
| So you need to regularly take your pipes apart?
| jihadjihad wrote:
| The same can happen in those double walled can coolers, depending
| on the alloys. I put a frosty can inside one and forgot to take
| it out. The next day, there was a ring of corrosion at the bottom
| of the can cooler.
| 1minusp wrote:
| I recall way back in the day when Stephen Fry used to host QI,
| they did a bit about a lasagne battery. Sean Lock was on the
| panel if i remember and spun it out into a ipod-style "lasagne-
| pod"
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(page generated 2025-07-14 23:01 UTC)