On 12/22/2023 8:40 AM, Grunty wrote:

On Thursday, December 21, 2023 at 9:37:35 PM UTC-3, RichD wrote:

I've noticed that nobody knows how a zipper works.

You've got two tracks of teeth which mesh, that's
obvious. But no one can explain the fastener. How
does it zip and unzip?

Try a different tack - what causes it to malfunction?
Which they always do, eventually In one case, the
process doesn't start, the tracks refuse to mesh.
In another case, the tracks mesh, it zips halfway...
then they unmesh. What gives?

Let me guess... Yesterday you were wandering in a mall looking for some nice Xmas gift for the granddaughter. Suddenly your zipper got derailed without you even noticing. You spent the whole evening showing your Mickey Mice at every shop you'd enter.

Google might answer his question.

About 66,500,000 results (0.42 seconds)

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On 12/24/2023 4:59 PM, RichD wrote:

On December 22, Grunty wrote:

I've noticed that nobody knows how a zipper works.
You've got two tracks of teeth which mesh, that's
obvious. But no one can explain the fastener. How
does it zip and unzip?
Try a different tack - what causes it to malfunction?
Which they always do, eventually In one case, the
process doesn't start, the tracks refuse to mesh.
In another case, the tracks mesh, it zips halfway...
then they unmesh. What gives?

Let me guess... Yesterday you were wandering in a mall looking for some nice Xmas gift
for the granddaughter. Suddenly your zipper got derailed without you even noticing.
You spent the whole evening showing your Mickey Mice at every shop you'd enter.

Try it yourself. Ask your friends and lawyer about the zipper. No can explain!

Another one I use: You're in a passenger aircraft with a high
ceiling (like an air force transport), traveling 500 mph. The overhead
bin opens, a bag falls.
i) It falls toward the seat in front, as it picks up a kick from
the plane's momentum.
ii) It falls straight to the seat below.
iii) It falls straight down to earth, hence landing in the seat behind.

3 out of 4 get it wrong, in my experience -

--
Rich

ii

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On 12/25/2023 10:26 AM, VegasJerry wrote:

On Sunday, December 24, 2023 at 2:59:48 PM UTC-8, RichD wrote:

On December 22, Grunty wrote:

I've noticed that nobody knows how a zipper works.
You've got two tracks of teeth which mesh, that's
obvious. But no one can explain the fastener. How
does it zip and unzip?
Try a different tack - what causes it to malfunction?
Which they always do, eventually In one case, the
process doesn't start, the tracks refuse to mesh.
In another case, the tracks mesh, it zips halfway...
then they unmesh. What gives?

Let me guess... Yesterday you were wandering in a mall looking for some nice Xmas gift
for the granddaughter. Suddenly your zipper got derailed without you even noticing.
You spent the whole evening showing your Mickey Mice at every shop you'd enter.

Try it yourself. Ask your friends and lawyer about the zipper. No can explain!

Another one I use: You're in a passenger aircraft with a high
ceiling (like an air force transport), traveling 500 mph. The overhead
bin opens, a bag falls.
i) It falls toward the seat in front, as it picks up a kick from
the plane's momentum.
ii) It falls straight to the seat below.
iii) It falls straight down to earth, hence landing in the seat behind.

3 out of 4 get it wrong, in my experience -

--
Rich

.

Any particular reason for using, i, ii, iii rather than 1,2,3 or A, B, C?

Ever dropped something in your car? [That iii is weirdly stated.]

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On 12/25/2023 5:42 PM, Tim Norfolk wrote:

On Sunday, December 24, 2023 at 5:59:48 PM UTC-5, RichD wrote:

On December 22, Grunty wrote:

I've noticed that nobody knows how a zipper works.
You've got two tracks of teeth which mesh, that's
obvious. But no one can explain the fastener. How
does it zip and unzip?
Try a different tack - what causes it to malfunction?
Which they always do, eventually In one case, the
process doesn't start, the tracks refuse to mesh.
In another case, the tracks mesh, it zips halfway...
then they unmesh. What gives?

Let me guess... Yesterday you were wandering in a mall looking for some nice Xmas gift
for the granddaughter. Suddenly your zipper got derailed without you even noticing.
You spent the whole evening showing your Mickey Mice at every shop you'd enter.

Try it yourself. Ask your friends and lawyer about the zipper. No can explain!

Another one I use: You're in a passenger aircraft with a high
ceiling (like an air force transport), traveling 500 mph. The overhead
bin opens, a bag falls.
i) It falls toward the seat in front, as it picks up a kick from
the plane's momentum.
ii) It falls straight to the seat below.
iii) It falls straight down to earth, hence landing in the seat behind.

3 out of 4 get it wrong, in my experience -

--
Rich

ii) is the closest, but the bag likely loses a tiny bit of momentum as it falls.

I agree ... emphasis on the word "tiny" ...

[We all must remember too that the plane is not flying in a "straight"
line.]

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