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Re: REALLY obvious things you've just realised

Posted: Wed Sep 06, 2017 6:50 pm
by Mark James
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.

Re: REALLY obvious things you've just realised

Posted: Wed Sep 06, 2017 7:40 pm
by Peter Mabey
Johnny Canuck wrote:
Wed Sep 06, 2017 6:11 pm
Marc Meakin wrote:
Wed Sep 06, 2017 4:45 pm
You only need a maximum of four colours to make a political map of the world without any adjacent countries having the same colour
Is this still true when considering exclaves and colonies that aren't connected to the countries' main landmasses (e.g., Sint Maarten as part of the Netherlands)?
No, the 4-colour theorem only applies to a surface which is simply connected :roll:

Re: REALLY obvious things you've just realised

Posted: Wed Sep 06, 2017 11:46 pm
by Gavin Chipper
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Shit. Why has no-one mentioned this before? A quick couple of clicks just now suggest you might be right as well.

Re: REALLY obvious things you've just realised

Posted: Thu Sep 07, 2017 4:23 pm
by JimBentley
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Yes, I love this one! I never used to be able to click my fingers until I figured this out. Nowadays of course, my finger-snaps are much sought-after by all the top popular music artistes and have featured on many hit records, none of which I can bring to mind presently, for some reason.

That said, I can also produce a reasonably loud noise without using the palm, by forcing the thumbnail back (edit: actually I'm forcing it forward, come to think of it, i.e. towards the palm) and releasing it (whilst ensuring that the finger used doesn't impact the rest of the hand). It's a different quality of sound, but it's similar. I don't have very long thumbnails though; it would be interesting to hear the sound made using this technique on e.g. a two-inch long nail. Or maybe it would just break off? I think I'll try to grow the one on my right thumb in the interests of research.

Re: REALLY obvious things you've just realised

Posted: Fri Sep 08, 2017 9:26 am
by Jon Corby
JimBentley wrote:
Thu Sep 07, 2017 4:23 pm
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Yes, I love this one!
What am I missing here? Why on earth would anyone think a finger and thumb rubbing would produce a sudden sharp click sound?

Re: REALLY obvious things you've just realised

Posted: Fri Sep 08, 2017 11:08 am
by Matt Morrison
Jon Corby wrote:
Fri Sep 08, 2017 9:26 am
JimBentley wrote:
Thu Sep 07, 2017 4:23 pm
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Yes, I love this one!
What am I missing here? Why on earth would anyone think a finger and thumb rubbing would produce a sudden sharp click sound?
I think it's more of a case of "I never spent any time at all thinking about how the sound is made" rather than "I believed the sound was made in a different way".

Re: REALLY obvious things you've just realised

Posted: Fri Sep 08, 2017 12:19 pm
by Gavin Chipper
Jon Corby wrote:
Fri Sep 08, 2017 9:26 am
JimBentley wrote:
Thu Sep 07, 2017 4:23 pm
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Yes, I love this one!
What am I missing here? Why on earth would anyone think a finger and thumb rubbing would produce a sudden sharp click sound?
So this was the most pressing thing that needed a reply in two months?

Re: REALLY obvious things you've just realised

Posted: Fri Sep 08, 2017 2:10 pm
by Mark James
Jon Corby wrote:
Fri Sep 08, 2017 9:26 am
JimBentley wrote:
Thu Sep 07, 2017 4:23 pm
Mark James wrote:
Wed Sep 06, 2017 6:50 pm
The noise made when clicking your fingers is the sound of the finger hitting your palm not the finger and thumb rubbing together.
Yes, I love this one!
What am I missing here? Why on earth would anyone think a finger and thumb rubbing would produce a sudden sharp click sound?
What you're missing is the title of the thread.

Re: REALLY obvious things you've just realised

Posted: Fri Sep 08, 2017 10:30 pm
by Jon Corby
Mark James wrote:
Fri Sep 08, 2017 2:10 pm
Jon Corby wrote:
Fri Sep 08, 2017 9:26 am
JimBentley wrote:
Thu Sep 07, 2017 4:23 pm


Yes, I love this one!
What am I missing here? Why on earth would anyone think a finger and thumb rubbing would produce a sudden sharp click sound?
What you're missing is the title of the thread.
I meant the fact that several people also seemed to agree that this was groundbreaking news.

Re: REALLY obvious things you've just realised

Posted: Sat Sep 09, 2017 9:21 am
by Matt Morrison
Isn't the whole point in these things is that they aren't groundbreaking, and people are shocked by their having felt like they were groundbreaking discoveries only for a moment's thought to lead them to believe that no, they're actually "REALLY obvious"?

The only difference with the finger snapping is that most of the posts in these threads have been people making these groundbreaking discoveries and then coming to realise that they aren't groundbreaking away from the forum, then later on posting about it here. With the finger snapping Mark's first post fits this and then you're seeing subsequent people doing the groundbreaking-no-actually-really-obvious thing in almost real time on the forum.

Re: REALLY obvious things you've just realised

Posted: Sat Sep 09, 2017 11:41 am
by Marc Meakin
At the risk of incurring the wrath of Mr Corby, I've only just realise the cracking sound made by a whipcrack is caused by a small sonic boom.

Re: REALLY obvious things you've just realised

Posted: Sat Sep 09, 2017 1:21 pm
by Mark James
I've just realised not everyone watches QI. What's not obvious though is why they don't.

Re: REALLY obvious things you've just realised

Posted: Sat Sep 09, 2017 3:16 pm
by Marc Meakin
Well Sandi Toksvig is reason enough.

Re: REALLY obvious things you've just realised

Posted: Sat Sep 09, 2017 4:55 pm
by Gavin Chipper
Mark James wrote:
Sat Sep 09, 2017 1:21 pm
I've just realised not everyone watches QI. What's not obvious though is why they don't.
The smugness rating is too high.

Also, what Charlie says.

Re: REALLY obvious things you've just realised

Posted: Tue Sep 12, 2017 2:31 am
by Mark Deeks

Re: REALLY obvious things you've just realised

Posted: Tue Sep 12, 2017 9:53 am
by Jennifer Steadman
In Arrested Development, why Maeby's alter ego is called Shirley. It took until my 4th rewatch to get this.

Re: REALLY obvious things you've just realised

Posted: Tue Sep 12, 2017 10:05 am
by Gavin Chipper
I used to think that your cholesterol level was the level of build-up in your arteries, whereas it's actually just a measure of cholesterol in your blood. What I was thinking of seems to be atherosclerosis.

Re: REALLY obvious things you've just realised

Posted: Tue Sep 19, 2017 7:50 pm
by Marc Meakin
The theme tune to Points of View is When I'm 64....because of the lyric.

Re: REALLY obvious things you've just realised

Posted: Tue Sep 19, 2017 10:14 pm
by Gavin Chipper
That's quite a good one.

Re: REALLY obvious things you've just realised

Posted: Fri Sep 22, 2017 9:11 pm
by Marc Meakin
To an Estonian at least.
Saying twelve months in Estonian is funny

Re: REALLY obvious things you've just realised

Posted: Sun Nov 12, 2017 12:39 am
by Gavin Chipper
Gavin Chipper wrote:
Sat Sep 03, 2016 6:19 pm
I used to think that a buffoon was a type of animal. I also had no idea that a jackass actually was a type of animal.
Likewise I had no idea that Gaylord was a real name.

Re: REALLY obvious things you've just realised

Posted: Sun Nov 12, 2017 8:38 am
by Marc Meakin
Not seen Meet the Parents then ?

Re: REALLY obvious things you've just realised

Posted: Sun Nov 12, 2017 6:51 pm
by Mark James
Puffer fish inflate themselves with water not air.

Re: REALLY obvious things you've just realised

Posted: Tue Nov 14, 2017 2:36 am
by Gavin Chipper
Marc Meakin wrote:
Sun Nov 12, 2017 8:38 am
Not seen Meet the Parents then ?
When I said I had no idea, I meant up to some point in the past. But I haven't seen it anyway. Nor have I seen Meet the Fockers. But I have seen Meet the Conts.

Re: REALLY obvious things you've just realised

Posted: Tue Nov 14, 2017 6:23 pm
by Matt Morrison
Mark James wrote:
Sun Nov 12, 2017 6:51 pm
Puffer fish inflate themselves with water not air.
https://i.imgur.com/xA7NDV1.gifv

Re: REALLY obvious things you've just realised

Posted: Wed Nov 15, 2017 2:15 am
by Mark James
Matt Morrison wrote:
Tue Nov 14, 2017 6:23 pm
Mark James wrote:
Sun Nov 12, 2017 6:51 pm
Puffer fish inflate themselves with water not air.
https://i.imgur.com/xA7NDV1.gifv
That's how I found out. That video was going around Facebook and I felt kind of stupid that it hadn't occurred to me that that's what they actually did. Apparently they can fill themselves with air when they are out of water but how often is that gonna happen without human intervention?