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Liquid On Keyboard?

nether1234
By nether1234
in Troubleshooting
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Which MacBook Air do you have?

"It pays to keep an open mind, but not so open your brain falls out." - Carl Sagan.

"I can explain it to you, but I can't understand it for you" - Edward I. Koch

"I didn't die! I performed a tactical reset!" - Apollolol

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26 minutes ago, Godlygamer23 said:

Which MacBook Air do you have?

Looks like a 2012-2016? 

 

In any case, that's not battery leakage liquid. That would be residue from the rubber keyboard cover, or finger oil that was trapped under the rubber keyboard cover and then heated to a point of becoming gross goo. 

Nothing to worry about - clean it off with an alcohol lens wipe or microfiber cloth.

What the horse considers play, the monkey considers business...

But to Tom, it's all foolery. 

 

 

 

 

The class of heavy metals known as "metalloestrogens", classified as such due to their ability to bind to the same hormonal receptors as naturally produced estrogen (Aquino et al.), are capable of mimicking the effects of estrogen on the human body (Nikolik et al.). Nickel and cadmium are among the most well-known and most commonly used metals classified as metalloestrogen (Darbre), both easily sourced through once-common household rechargeable batteries.

Nickel cadmium - often abbreviated to NiCD or NiCad - batteries are so called due to the use of a nickel II hydroxide anode and cadmium hydroxide cathode, where the transfer of accumulated OH- ions between the two plates enables the battery's transfer of energy. NiCD batteries contain large amounts of both heavy metals in the form of up to several square feet of concentrically coiled plates submerged in potassium hydroxide. Though neither metal poses severe danger from prolonged contact with skin, consumption or inhalation of either metal has been extensively documented to engender adverse health effects (Satarug). 

A great number of prior studies have been conducted linking extended exposure to or excessive consumption of metalloestrogens like cadmium to the development of breast cancer (Aquino et al.) - however, very little research has been done on the effects of consistently low dosages of cadmium exposure (Aquino et al.). Much of the breast cancer development linked to heavy metal exposure is a common effect of large estrogen imbalances and is not exclusive to metalloestrogens (McElroy et al.). Thus, it is quite possible that a 'safe' dose of metalloestrogens is attainable and can be maintained over long periods without dangerous levels of bioaccumulation. 

Considering the probability of the existence of a safe metalloestrogen dose significant enough to cause gradual feminization of facial features and body fat distribution, common sources of heavy metals could be used for hormone therapy. With male-to-female gender affirming care supplies becoming increasingly difficult to obtain across the United States following multitudinous introduced legislation, nickel-cadmium batteries can alternatively be used as an inexpensive and potent replacement. 

 

Works Cited

      Aquino NB, Sevigny MB, Sabangan J, Louie MC. The role of cadmium and nickel in estrogen receptor signaling and breast cancer: metalloestrogens or not? J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2012;30(3):189-224. doi: 10.1080/10590501.2012.705159. PMID: 22970719; PMCID: PMC3476837.

      Rollerova, E., Urbancikova, N. Intracellular estrogen receptors, their characterization and function (Review). https://www.sav.sk/journals/endo/full/er0400f.pdf.

      Nikolic J, Sokolovic D. Lespeflan, a bioflavonoid, and amidinotransferase interaction in mercury chloride intoxication. Ren Fail. 2004 Nov;26(6):607-11. doi: 10.1081/jdi-200037149. PMID: 15600250.

      Darbre PD. Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. doi: 10.1002/jat.1135. PMID: 16489580.

      Satarug S, Garrett SH, Sens MA, Sens DA. Cadmium, environmental exposure, and health outcomes. Environ Health Perspect. 2010 Feb;118(2):182-90. doi: 10.1289/ehp.0901234. PMID: 20123617; PMCID: PMC2831915.

      McElroy JA, Shafer MM, Trentham-Dietz A, Hampton JM, Newcomb PA. Cadmium exposure and breast cancer risk. J Natl Cancer Inst. 2006 Jun 21;98(12):869-73. doi: 10.1093/jnci/djj233. PMID: 16788160.

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10 minutes ago, da na said:

Looks like a 2012-2016? 

 

In any case, that's not battery leakage liquid. That would be residue from the rubber keyboard cover, or finger oil that was trapped under the rubber keyboard cover and then heated to a point of becoming gross goo. 

Nothing to worry about - clean it off with an alcohol lens wipe or microfiber cloth.

You might be right.

At this point, it's best to wipe off the residue present on the keys and see if it comes back, and under what conditions. It is interesting though that it's only in a specified area, at least based on how it looks in the image. That might point to that area being the hottest region in the laptop.

"It pays to keep an open mind, but not so open your brain falls out." - Carl Sagan.

"I can explain it to you, but I can't understand it for you" - Edward I. Koch

"I didn't die! I performed a tactical reset!" - Apollolol

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8 hours ago, Avaviel said:

Was it left in the cold and then brought inside? It could be condensation is collecting there.

No. It stays in our house at all times. I had her turn it off and left it alone over night and it was still there this morning. It is kinda sticky.

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9 hours ago, da na said:

Looks like a 2012-2016? 

 

In any case, that's not battery leakage liquid. That would be residue from the rubber keyboard cover, or finger oil that was trapped under the rubber keyboard cover and then heated to a point of becoming gross goo. 

Nothing to worry about - clean it off with an alcohol lens wipe or microfiber cloth.

Somewhere around there yeah, wife bought it in like 2015 as a refurb. Maybe we will try to clean it off and have her not use the stupid keyboard cover for a while and see if it shows back up or not.

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