Inconsistencies or plot holes in films

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Drago

Drago

Legendary Member
In Ten Pound Poms a woman in Australia phoned her mother in the UK. They spoke and replied to each other instantly. In those days there would have been a delay due to analogue phone signals being sent thousands of miles.
Indeed, in those days one would have had to book a call with the operator beforehand.
 

Profpointy

Legendary Member
In Ten Pound Poms a woman in Australia phoned her mother in the UK. They spoke and replied to each other instantly. In those days there would have been a delay due to analogue phone signals being sent thousands of miles.

A lot less delay with analogue, as the signal goes at the speed of light * and no proccessing apart from amplification which takes no time. It takes longer these days as there's a lot of processing in the various switches and routers.

* speed of light in copper is somewhat slower than the vacuum speed of light, but still exceedingly fast
 
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Chris S

Legendary Member
Location
Birmingham
A lot less delay with analogue, as the signal goes at the speed of light and no proccessing apart from amplification which takes no time. It takes longer these days as there's a lot of processing in the various switches and routers.

You're obviously not old enough to remember transatlantic delays on the phone.
 
Also - when someone rings a doorbell in a film then the dorr is either opened immediately
OR they wait for about 5 seconds and ring again - then leave after another 5 seconds

you never get a situation where they ring for the second time and the house owner opens the door saying "give me a bloomin minute for God's sake!!!!"

Oh - and we were watching GoggleBox last night and there was a clip from some generic 'action film'
As usual the baddies were firing automatic weapons and fired out about a hundred bullets without hitting the 2 good guys
Then the good guys find a couple of hand guns and shoot - and kill - several baddies - one shot one kill

the baddies even had missiles and still count not get them - but several more baddies got killed in trying

CLEARLY assault rifle are useless and we would be better off arming out armies with handguns!!!
 

Beebo

Firm and Fruity
Location
Hexleybeef
50-90% speed of light, never knew that. I seem to remember electrons themselves do about 2cm a second

https://en.m.wikipedia.org/wiki/Speed_of_electricity

Yep. On the Atlantic under sea cable the signal is as good as instant. But an individual electron takes 6 years to pass through the cable from end to end.

That nugget of knowledge should probably go in the true facts thread.
 

lazybloke

Priest of the cult of Chris Rea
Location
Leafy Surrey
Long pauses in live remote tv interviews used to be very common. I'd always assumed they were due to multiple satellite hops via geostationary satellites.
LEO satellites and/or an increasing number of undersea fibre-optic bundles offer a much shorter route.
 

Profpointy

Legendary Member
50-90% speed of light, never knew that. I seem to remember electrons themselves do about 2cm a second

https://en.m.wikipedia.org/wiki/Speed_of_electricity

Indeed, but the "drift velocity" isn't the speed of the signal, which is carried by photons. A doubtless dodgy analogy might be to compare the low velocity of you pushing the end of a rod, compared with how long the other end of the rod starts moving after you push your end
 
Indeed, but the "drift velocity" isn't the speed of the signal, which is carried by photons. A doubtless dodgy analogy might be to compare the low velocity of you pushing the end of a rod, compared with how long the other end of the rod starts moving after you push your end

A better analogy is the speed of you pushing the rod compared to the reaction time from you starting to push one end of the rod and the otehr end starting to move
 
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