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razor blades
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this post was submitted on 20 Jan 2024
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Safety razors with disposable blades were introduced about 120 years ago, at one blade a day that's a bit less than 45000 blades
Double edged blades dimensions are: 0.1mm x 42.7mm x 22mm for 98.21mm³
45 000 blades would take a volume of 4 419 450mm³ or about 270in³
A regular indoor wall is made of 2x4 and each stud is 14.5 inches apart (16 inches on center). A 2x4 is in truth 1.5" x 3.5" so each inch of height inside the wall is 3.5 x 14.5 x 1 which is 50.75in³
45 000 blades stacked perfectly would therefore use 270 / 50.75 = 5.32 inches of the wall's height... So even if they didn't stack perfectly, it's pretty safe to assume that there's enough space inside the wall for hundreds of years at one blade a day (especially since old houses usually used true 2x4 and had their studs at 24" on center)
One blade a day?!! Are you a billionaire or something? The acceptable signal to replace the razor is when the pain from the dull blade pulling your hairs makes your eye watery, and then you try to man up for a couple more shaves before accepting defeat and put in a fresh blade.
It's an exaggeration to show how long it would take to fill a wall
Sounds like a blade a day to me.
Ook
Orangutans aren't supposed to shave.
Those old school blades are cheap as chips though.