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Topics - syhprum

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1
I have read suggestions that the Electron is a composite particle hence my question

2
I have always been unhappy with they simplistic answer that they do I have now found an article where the more subtle aspects of the question are discussed

https://www.physicsforums.com/threads/time-of-free-fall-does-depend-on-mass.885597/

 

3
Technology / Will we ever have flying cars?
« on: 12/09/2016 07:16:14 »
The Idea has been around for at least a hundred years and every year or so we read about a new one being developed .
I can think of no possible use for one they would have a very substandard performance on the road and the opportunities to fly them would be very limited other than in relatively empty countries such as Australia.

4
There  has been much concern of late over the amount of plastic rubbish going into the oceans, I feel that it is probably unnecessary to worry as new forms of bacteria will evolve that will consume this abundant food supply.

5
Walking on water is no big deal I have done it often when its frozen, for a women to give birth when she does not know what caused it happens all the time and for a crowd to be convinced to share out their food when the preacher suggests it is not surprising or for someone to survive for a few months after being crucified for a few hours has often been reported.
Religious people think these things only happen due to a supernatural being intervening but there are more common explanations

6
Technology / Could a sword slice thru an anvil ?
« on: 21/08/2016 19:52:42 »
In Wagner's opera Siegfried reforges the magic sword Nothnung and to demonstrate its power slices thru the anvil with a single blow.
If the technology such as is used for anti tank shells was applied would this be possible?

7
Someone threw a Galax A5 into my yard as part of an insurance scam ,I recharged it and found it ran OK despite being a little battered but it had so much offensive trash on it that I did a factory reset but cannot now get it back to life!.
No "apps" come up only a tinny voice talking to me that I can hardly hear being a little deaf.
I well understand PC,s but this is the first time I have touched a "smart phone".
PS I have downloaded an operating manual.
   

8
Almost every day Redmond send me a new update for windows 10 which puts the computer out of action for about an hour and necessitates me re-installing various drivers that go missing, I know the answer is to move to the slow lane but then you feel you are missing something.
The stock answer is to move to Linux I tried putting columbine in a new partition but it was a bit of a disaster having Linux and windows on the one drive

9
Physiology & Medicine / Are house flies dangerous?
« on: 17/07/2016 20:22:27 »
When I was a boy living in north London house flies were a great source of annoyance and possibly danger as they bred on the horse droppings that were common on the roads.
Now the horses are long gone and most of the flies with them do the few that remain carry any disease. 

10
Geek Speak / what happened to the web site ?
« on: 09/07/2016 17:06:50 »
Why could I not sign in for 36 hrs ?

11
Technology / Why do banks close down at the week end?
« on: 11/06/2016 11:51:30 »
Why no banking at weekends, do technicians take all the bits and bytes out of the computers and do the calculations manually to give the Silicon a rest ? 

12
Planets are considered to be capable of supporting life if they orbit their star within the goldilocks zone where liquid water can exist.
By my reckoning the Earth lies outside this zone with a black body temperature of 250°K where water can only exist in a solid form.
Would alien astronomers write it off ?

13
Colliding black holes emit a vast amount of energy in the form of gravitational waves for a few milliseconds  ,What would be the effect of this on one or would other forms of radiation pose a greater threat

14
I recall seeing such a machine illustrated in in a pop culture scientific science magazine in the thirties has technology court up with science fiction yet.

15
If the Graviton has a non zero mass its range is no longer infinite but how much is its range limited if it has a mass close to the maximum established by the LIGO results.

16
Cells, Microbes & Viruses / Are virus,s living or dead
« on: 24/03/2016 15:29:59 »
We are told that virus's are not living entities but when I read papers on vaccine production reference is made to attenuated or killed virus's.
To kill something it must be alive or is it like Schrödinger's cat both

17
We are told its very bad for you, I hesitate to experiment!

18
Is it possible that the concept of time is different for intelligent aliens to that of ours ?, when we look for signs of alien radio communications should we look for a range of modulations that are well away from ours or are there physical restraints that would make them similar.

19
It has been reported that there is an overlap between the areas where many cases of microcephaly have been reported and where Pyriproxyfen has been used.

20
Geek Speak / Does anyone have Samsung PC studio working?
« on: 08/02/2016 15:05:57 »
I have tried about 20 different ways with no success

21
The remains of a group of people with abnormaly small heads were found and refered to as Hobbits could it of been caused by the zika virus

22
The normal minimum orbit time for the Earth is about 84 minutes so to orbit it in 40 would require the continuous expenditure of energy , how much kilowatts per Kg of pucks mass.
possibly Puck being an ethereal being he might have zero mass which would of course reduce the energy required !

23
Geek Speak / What does building a computer entail?
« on: 08/01/2016 20:20:48 »
I rather resent people claiming they haves "built a computer" when what they have done is purchase a commercially built mother board and plugged a few circuit boards into it and loaded commercially available software.
Any one who has built even a calculator from TTL to their own design knows this is a task of much greater magnitude than "building a computer".

24
Geek Speak / Why do I get this text distortion
« on: 07/11/2015 11:08:36 »
What is blacklisted here

25
I my dining room I use a Samsung 22" monitor both for TV and computer display.
recently I had a strange problem with the screen colour on computer use with everything glowing red.
Like most nerds I assumed it could be cured by software but got nowhere, eventually after trying a different NVidia card that was OK in another computer which stopped the computer working completely by disrupting the BIOS I thought to test the BIOS back up battery and found it down to 1 volt.
Replacing it cured all the problems !, should I have tried this earlier (the computer is of 2008 vintage rescued from the town dump)

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