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The Physics of Bras

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21–30 of 35 posts

Re: The Physics of Bras

#21

Earlier quoted context omitted.

Of course. I assumed that "15-23" would mean "average", so since the average band size is around a 36, that would probably mean "32D-40D" or something of the sort for "15-23". Either way, the numbers seem absurd.

Volume of cone = pi * r^2 * h / 3. Plugging in r1 of 3 and r2 of 2.5, and h1 of 36 and h2 of 34. Constants cancel out, that's an increase of 2.38 times in volume. This is per cone ;)

Exactly the way I'd expect nerds to discuss breasts :)

Re: The Physics of Bras

#23
post #8
post #7

Earlier quoted context omitted.

[deleted]

My double-D's are a thing of the past. But thanks for the "chivalrous" offer. (Please see my previous post about having lost count of the number of bra sizes I've been through.)

Me too- that seems to be nromal between fluctating weight, aging gracefully, hormones (and from what I've heard) pregancy.

Let's not forget wierd bras for those of us whove lost our breasts. Pink ribbons.

Re: The Physics of Bras

#24

I think starting a bra comparison site with reviews and comments would be great.

Wouldn't it be very subjective? Reviews of walking shoes are pretty useless, for example.

I don't know, but when I saw 5B annually my brain started to work very fast.

Re: The Physics of Bras

#27
post #22

What does it say about me that I first read that as "The Physics of Brass" and it was no less interesting?

For the first part of the article I was still waiting for a connection between breasts and brass.

Re: The Physics of Bras

#28
post #6

I remember in one of my materials classes they used bras as an example where martensitic metals were used. Apparently these materials were chosen to help bras retain their shape (such alloys are also called shape-memory alloys). However, shape memory alloys usually deform back once heated. I've always wondered if this was true. Anyone who has ever washed theirs in hot water want to confirm?

Generally speaking, it's a bad idea to toss bras in a washer and dryer on high heat. Ideally, they should be hand-washed. If that's too much hassle, one should at least put them in mesh lingerie bag so the straps don't get all tangled up with parts of the washer and other clothes, which tends to deform the straps. The hooks of a bra can also get caught on other clothing and damage the other clothing. Washing bras in hot water generally shortens their lifespan. A good bra can be quite pricey so some women who hand-wash nothing else do hand-wash their bras, especially if they are hard to fit.

Re: The Physics of Bras

#29
post #2

Wondering if this upvoted article will generate any serious discussion. I stopped counting after I had gone through 9 different bra sizes over the years. I found the article quite interesting.

Do you have any idea what caused this? I have yet to met someone with such a huge variation, except mothers who are breast feeding, but that's another thing and it's expected.

Having two babies, being put on steroids for health problems, weight gain and loss, and living at 3000 feet above sea level for 2 1/2 years which caused my lung capacity to increase and thus my ribcage to enlarge. This permanently changed the number part of my bra size (and probably saved my life the last time I had pneumonia and was bedridden, so it's all good). Cup size is a relative thing, dependent in part on that first number. The short version: The number part of it is a reference to the measurement around the rib cage directly below the breasts and the cup part tells you how many inches larger than that the measure around the fullest part of the breast is. An "A" cup is one inch. A "B" cup is 2 inches. Etc. Though the number part is a not a direct measure of the ribcage - ie a size 36 bra does not equal a measure of 36 inches around the ribcage. To make this arcane art of bra sizes even more unfathomable, they add a different number to the basic measure depending upon whether it is above or below a certain size -- and I no longer remember what the size cut-off is or what the different numbers are that they add.

Re: The Physics of Bras

#30
post #25

The article punts on why women have breasts. For interesting speculation on that topic and several related ones, http://davidbrin.com/neoteny1.htm is an interesting read.

Desmond Morris, who wrote "The Naked Ape" and some other books, said some very interesting things about human anatomy and human sexuality.

http://en.wikipedia.org/wiki/Desmond_Morris

http://www.desmond-morris.com/

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