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I bet you didnt know that

Cartouche

As people here work in various jobs / professions they might know things from work or study no one here knows yet. this is what this topic is about.

what do you know that we have never heard of?

Eg: you don't need to be great at maths to be an architect

this is obvious to me but everyone says to me "i wanted to be an architect but i was bad at math,i can barely add"

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FanadMan

Squall Leonhart wrote: »

If you shuffle a deck of cards, and deal out all 52 cards, it is virtually a 100% certainty that that combination of cards has never been dealt out ever before.

The odds of the same permutation repeating are 1 in 80,658,175,170,943,878,571,660,636,856,403,766,
975,289,505,440,883,277,824,000,000,000,000.

To give you an idea of how many that is, here is how long it would take to go through every possible permutation of cards. If every star in our galaxy had a trillion planets, each with a trillion people living on them, and each of these people has a trillion packs of cards and somehow they manage to make unique shuffles 1,000 times per second, and they'd been doing that since the Big Bang, they'd only just now be starting to repeat shuffles.

From QI?

ytpe2r5bxkn0c1

FanadMan wrote: »

From QI?

Yes indeed. They did it a few years back and Dave repeated it recently. So I suppose that falls into the 'Yes, we did know that' category.

Doyler92

Squall Leonhart wrote: »

If you shuffle a deck of cards, and deal out all 52 cards, it is virtually a 100% certainty that that combination of cards has never been dealt out ever before.

The odds of the same permutation repeating are 1 in 80,658,175,170,943,878,571,660,636,856,403,766,
975,289,505,440,883,277,824,000,000,000,000.

To give you an idea of how many that is, here is how long it would take to go through every possible permutation of cards. If every star in our galaxy had a trillion planets, each with a trillion people living on them, and each of these people has a trillion packs of cards and somehow they manage to make unique shuffles 1,000 times per second, and they'd been doing that since the Big Bang, they'd only just now be starting to repeat shuffles.

Did your career teach you this?

Kintarō Hattori

Anders Shy Aircraft wrote: »

Yes indeed. They did it a few years back and Dave repeated it recently. So I suppose that falls into the 'Yes, we did know that' category.

Some of us perhaps.... definitely not all of us. No reason for it but I've never seen an episode of QI.

Bandana boy

Kintarō Hattori wrote: »

Some of us perhaps.... definitely not all of us. No reason for it but I've never seen an episode of QI.

If you like this thread you should give it a go

ytpe2r5bxkn0c1

Kintarō Hattori wrote: »

Some of us perhaps.... definitely not all of us. No reason for it but I've never seen an episode of QI.

You should try to catch a few episodes - particularly the Stephen Fry chaired ones- it's riveting stuff.

stimpson

Squall Leonhart wrote: »

If you shuffle a deck of cards, and deal out all 52 cards, it is virtually a 100% certainty that that combination of cards has never been dealt out ever before.

The odds of the same permutation repeating are 1 in 80,658,175,170,943,878,571,660,636,856,403,766,
975,289,505,440,883,277,824,000,000,000,000.

To give you an idea of how many that is, here is how long it would take to go through every possible permutation of cards. If every star in our galaxy had a trillion planets, each with a trillion people living on them, and each of these people has a trillion packs of cards and somehow they manage to make unique shuffles 1,000 times per second, and they'd been doing that since the Big Bang, they'd only just now be starting to repeat shuffles.

I love big numbers, like GUIDs. GUID stands for Globally Unique IDentifier. It's the 32 character string of hex digits you may see under the hood of your computer (in the Windows registry for example) and looks like this: 76929408-aacd-4e77-98e1-520c50a3f929

It's designed to represent a set so big that a GUID can be randomly created by a computer and the chance of a clash is infinitesimally small. There are 2^122 (or 5,316,911,983,139,663,491,615,228,241,121,400,000) combinations.

Even if you could process a quadrillion guids per second, it’ll still take you almost 11 quadrillion years to get through all the possibilities. If you had 100,000,000 processors in parallel, you’re still looking at 4^13 years, nearly 3000 times longer than the age of the universe (1.4^10 years)

Even if you could generate the GUIDs infinitely fast, your output file is going to be 2^128*16 = 2^132 bytes in size. That is around 10^27 terabytes. Assuming a one terabyte hard drive weighs around 500 grams, the mass of the earth is 10^24 kilograms, so before you run this program, you will need to acquire 500 earths and convert them all to hard drives just for the storage.

And that is still 15,170,116,681,772,643,725,871,105,728,555 times smaller than the deck of cards combinations!

eviltimeban

stimpson wrote: »

And that is still 15,170,116,681,772,643,725,871,105,728,555 times smaller than the deck of cards combinations!

So how likely am I to win the lotto on Wednesday?

stimpson

eviltimeban wrote: »

So how likely am I to win the lotto on Wednesday?

That depends. Did you buy a ticket?

Squall Leonhart

FanadMan wrote: »

From QI?

Sure was, thought it was interesting, so shared it

Doyler92 wrote: »

Did your career teach you this?

No, it certainly didn't. But to be fair, most of the information on this thread quoted by people hasn't been learned at their jobs either.

FanadMan

Squall Leonhart wrote: »

Sure was, thought it was interesting, so shared it

I saw it on QI years ago and it was really....well, interesting

It's one of the best programmes on TV. Not as good with Sandi Toksvig but still never miss it.

ytpe2r5bxkn0c1

FanadMan wrote: »

I saw it on QI years ago and it was really....well, interesting It's one of the best programmes on TV. Not as good with Sandi Toksvig but still never miss it.

Surely you mean Quite Interesting.

theoneeyedman

Squall Leonhart wrote: »

If you shuffle a deck of cards, and deal out all 52 cards, it is virtually a 100% certainty that that combination of cards has never been dealt out ever before.

The odds of the same permutation repeating are 1 in 80,658,175,170,943,878,571,660,636,856,403,766,
975,289,505,440,883,277,824,000,000,000,000.

.

So.... You're saying there IS a chance !!!!

Cartouche

50% of all United States territory lies below the ocean

theoneeyedman

More people died from the flu in 1918 than died fighting the Great War between 1914 and 1918

BrianBoru00

Cartouche wrote: »

50% of all United States territory lies below the ocean

Well over 90% of Irelands territory lies below the ocean..
http://www.marine.ie/Home/site-area/irelands-marine-resource/real-map-ireland

Doyler92

Squall Leonhart wrote: »

Sure was, thought it was interesting, so shared it

No, it certainly didn't. But to be fair, most of the information on this thread quoted by people hasn't been learned at their jobs either.

You're right with that. I wasn't trying to be smart with that question by the way. The reason I asked was because I work in the poker industry and thought you might too! :pac:

KingBrian2

The American civil war was the bloodiest war in American history.

Flippyfloppy

Roma gypsies are not Romanian

Froshtbit

So you go to a place and you go on a thing.

Eg: Go to work, go on a trip.

But you go home. why? Because home is considered an adverb of direction similar to backwards, forwards etc.

Home is, apperently, short for 'homeward'.

Red Kev

The country Senegal got it's name allegedly from when the first European explorers arrived off the coast. They pointed at the land and asked a local fisherman "What's that called?". "Su-Nu-Gaal" was the answer, and so it became Senegal.

Thing is, the Europeans didn't speak Wolof (local language) and the locals wouldn't have spoken their language either. The mystery is cleared up when you realise that "Su-Nu-Gaal" in Wolof means "That's our canoe".

stimpson

Red Kev wrote: »

The country Senegal got it's name allegedly from when the first European explorers arrived off the coast. They pointed at the land and asked a local fisherman "What's that called?". "Su-Nu-Gaal" was the answer, and so it became Senegal.

Thing is, the Europeans didn't speak Wolof (local language) and the locals wouldn't have spoken their language either. The mystery is cleared up when you realise that "Su-Nu-Gaal" in Wolof means "That's our canoe".

That's like Kangaroo which means "I don't know" in aboriginal.

Edit: upon further research that appears to be a myth.

ytpe2r5bxkn0c1

Red Kev wrote: »

The country Senegal got it's name allegedly from when the first European explorers arrived off the coast. They pointed at the land and asked a local fisherman "What's that called?". "Su-Nu-Gaal" was the answer, and so it became Senegal.

Thing is, the Europeans didn't speak Wolof (local language) and the locals wouldn't have spoken their language either. The mystery is cleared up when you realise that "Su-Nu-Gaal" in Wolof means "That's our canoe".

Modern historians say the name referred to the Sanhaja, Berbers who lived on the north side of the Senegal river. But they play on the canoe myth for tourists in Senegal.

bnt

I'm currently reading The QI Book of General Ignorance, which I would encourage if you're enjoying this thread. It's full of the kinds of things you thought were new, but are probably wrong about. It says, for example, that there are more pet tigers in the USA (~ 12,000) than wild in all their natural habitats (est. 5,100-7,500).

ahlookit

bnt wrote: »

I'm currently reading The QI Book of General Ignorance, which I would encourage if you're enjoying this thread. It's full of the kinds of things you thought were new, but are probably wrong about. It says, for example, that there are more pet tigers in the USA (~ 12,000) than wild in all their natural habitats (est. 5,100-7,500).

Another for QI fans, the show's researchers have their own podcast called "No such thing as a fish". I think its very entertaining, well worth a listen, and full of useless facts!

Duffy the Vampire Slayer

The only US states to previously have been independent countries were Texas, Hawaii and (bizarrely) Vermont.

Bandana boy

ahlookit wrote: »

Another for QI fans, the show's researchers have their own podcast called "No such thing as a fish". I think its very entertaining, well worth a listen, and full of useless facts!

4 researchers from QI (might be the same people) have a TV show called "no such thing as the news " on BBC 2 which is quite humorous .

suicide_circus

Flippyfloppy wrote: »

Roma gypsies are not Romanian

Some are.

sbsquarepants

Bandana boy wrote: »

4 researchers from QI (might be the same people) have a TV show called "no such thing as the news " on BBC 2 which is quite humorous .

That's a great show. Haven't seen it in a while though, is it still on?

FanadMan

sbsquarepants wrote: »

That's a great show. Haven't seen it in a while though, is it still on?

Friday nights at 10 on BBC1. Or every night on Dave