Things you've always wanted to know......

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Re: Things you've always wanted to know......

Postby warp on Thu May 11, 2017 3:21 pm

WoodfordJnr wrote:dolphins come up for air? does this mean they cant actually breathe underwater and can hold their breathe for extremely long lengths of time, or are they able to breathe in water and on land?
DasNutNock wrote:Is this a wind up?

Image
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Re: Things you've always wanted to know......

Postby Hummer_I_mean_Hammer on Thu May 11, 2017 3:50 pm

WoodfordJnr wrote:
on this,

dolphins come up for air? does this mean they cant actually breathe underwater and can hold their breathe for extremely long lengths of time, or are they able to breathe in water and on land?


No not able to breath water, why do you think that they have a hole on the top of their heads? It is for the snorkel, so that they can dive deeper than normal fish.... A bit like whales but smaller.
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Re: Things you've always wanted to know......

Postby sendô on Fri May 12, 2017 1:52 pm

Yea, it's like why can't fish breathe out of water, they've got mouths haven't they?
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Re: Things you've always wanted to know......

Postby Hummer_I_mean_Hammer on Fri May 12, 2017 2:54 pm

sendô wrote:Yea, it's like why can't fish breathe out of water, they've got mouths haven't they?


Must say I'm surprised Sendo,

But here you go....

Breathing requires an organ which is moist and has a large surface area. Fish gills are delicate structures, which, when removed from water, tend to stick together. This reduces the surface area available for gas exchange, meaning that they effectively suffocate since their gills can no longer obtain enough oxygen to sustain them.

https://www.reddit.com/r/askscience/com ... rvive_out/" onclick="window.open(this.href);return false;
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Re: Things you've always wanted to know......

Postby Dan1326 on Fri May 12, 2017 3:27 pm

I'm surprised by the reaction sendo received for his question

Not everyone knows about fish anatomy
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Re: Things you've always wanted to know......

Postby DasNutNock on Fri May 12, 2017 3:29 pm

This site :)
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Re: Things you've always wanted to know......

Postby Hummer_I_mean_Hammer on Fri May 12, 2017 3:32 pm

Dan1326 wrote:I'm surprised by the reaction sendo received for his question

Not everyone knows about fish anatomy


Seriously?

A grown man not knowing that fish (well any animal for that fact) needs more than a mouth to breath.. you got to be kidding. :?
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Re: Things you've always wanted to know......

Postby Hammer1972 on Fri May 12, 2017 3:40 pm

We have a fairly old plasma screen at work that we use to display presentations from laptops on occasionally.

The more white there on is whatever is being displayed, the louder the screen buzzes, becoming extremely loud on a white background - why is that?

(I have been sat next to this screen all afternoon and it's getting on my nerves!)
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Re: Things you've always wanted to know......

Postby Dan1326 on Fri May 12, 2017 3:43 pm

Hummer the point he raised was why? not that fish have mouths
Last edited by Dan1326 on Fri May 12, 2017 4:08 pm, edited 1 time in total.
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Re: Things you've always wanted to know......

Postby Hummer_I_mean_Hammer on Fri May 12, 2017 3:50 pm

Hammer1972 wrote:The more white there on is whatever is being displayed, the louder the screen buzzes, becoming extremely loud on a white background - why is that?


Due to the electrical charge used to make up the picture? Get rid of.
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Re: Things you've always wanted to know......

Postby Hammer1972 on Fri May 12, 2017 3:52 pm

So it needs more power to generate a white pixel?
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Re: Things you've always wanted to know......

Postby Hummer_I_mean_Hammer on Fri May 12, 2017 4:04 pm

Hammer1972 wrote:So it needs more power to generate a white pixel?



possibly, not sure. I googled plasma TV's making noise and it said that the screens knackered, get rid of, not worth the cost of repairing.

You can tell I've not got much work on at the moment..
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Re: Things you've always wanted to know......

Postby hammerdivone on Fri May 12, 2017 5:21 pm

I think sendo was citing another example, not asking a question :lol:
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Re: Things you've always wanted to know......

Postby Hammers Dad on Fri May 12, 2017 9:41 pm

sendô wrote:Yea, it's like why can't fish breathe out of water, they've got mouths haven't they?

There are some that can
The Climbing Perch can live 6 days out of water
The Lungfish can survive up to two years dug into mud without water
The Rockskipper comes out to catch prey or escape predators
Mudskippers can survive 3 days without water though they need to be moist and breathe through their skin
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Re: Things you've always wanted to know......

Postby sendô on Sat May 13, 2017 12:44 pm

Yea, I was joking about the fish thing ffs. :lol:
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Re: Things you've always wanted to know......

Postby Dan1326 on Sat May 13, 2017 6:47 pm

.
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Re: Things you've always wanted to know......

Postby pablo jaye on Thu May 18, 2017 5:58 am

Why is redheads hair called ginger? I have some root ginger in the fridge and it looks more blonde in colour.

What got called ginger first, our flame-haired friends or the fiery food flavouring?

I woke up at 4.30 this morning thinking about this!!!
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Re: Things you've always wanted to know......

Postby Monkeybubbles on Thu May 18, 2017 7:42 am

And why can't gingers breath underwater?
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Re: Things you've always wanted to know......

Postby WoodfordJnr on Thu May 18, 2017 10:04 am

Monkeybubbles wrote:And why can't gingers breath underwater?


They can .. they dont have souls.
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Re: Things you've always wanted to know......

Postby ironilunga on Thu May 18, 2017 10:18 am

pablo jaye wrote:What got called ginger first, our flame-haired friends or the fiery food flavouring?


The food stuff has evolved in flavour over many thousands of years. When the plant was first discovered it smelt strongly of urine and as such was known thereafter as ginger.
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