geordief
Senior Members-
Posts
3376 -
Joined
-
Last visited
-
Days Won
3
Content Type
Profiles
Forums
Events
Everything posted by geordief
-
Advice for a problem with eyes
geordief replied to DrKrettin's topic in Anatomy, Physiology and Neuroscience
Try sucking warm salty water up the nostrils? It is eye watering and perhaps (a long shot) the bacterial infection finds refuge in the nasal /throat area too. -
Advice for a problem with eyes
geordief replied to DrKrettin's topic in Anatomy, Physiology and Neuroscience
Eye sprays? https://www.youtube.com/watch?v=XUiDpywMK4E A bit tangential but once I got dead millepedes' body fluids on my fingers which I rubbed into my eyes. (from working in the garden) They were chronically dry for a week or so until I worked out what it was. Perhaps clean your hands whenever you have had them anywhere doubtful. It cannot do any harm. -
re the eyes, is this a useful link?
Not for the diagnosis but for the suggestion for "Daily eyelid hygiene"
Just a very amateur suggestion .I doubt Swansont will let the thread continue but who knows
-
Advice for a problem with eyes
geordief replied to DrKrettin's topic in Anatomy, Physiology and Neuroscience
https://www.theguardian.com/society/2017/jul/26/rule-patients-must-finish-antibiotics-course-wrong-study-says This story made a splash a month or so ago. It seems to contradict your claim (which is received wisdom of course) and http://www.bmj.com/content/358/bmj.j3418 (from the well respected British Medical Journal. ) "With little evidence that failing to complete a prescribed antibiotic course contributes to antibiotic resistance, it’s time for policy makers, educators, and doctors to drop this message, argue Martin Llewelyn and colleagues" -
Think the upgrade was a good improvement now that I have got used to the change. But I don't understand why the auto update facility always switches itself off after an hour or so. It says "refresh page to resume auto updates". Is it supposed to work that way or could I have too many windows open perhaps?
-
So nothing to do with Stravinski? http://www.igorexchange.com/node/716
-
Lady Gaga in a raw pelt?(apparently she has been hospitalized and is suffering from a generalized fibromyalgia) Interesting background to this oeuvre. The past was the present (and future) once. Not sure if it is interesting or even particularly relevant but there were also riots at the opening of "The Playboy of the Western World" at the Abbey Theatre ,Dublin in 1907) https://en.wikipedia.org/wiki/The_Playboy_of_the_Western_World
-
Is there a formula for the relative speed of two objects which takes into account their mass and so tends to c as mass decreases to zero in the limit? I mean ,from a standing start. If we have two objects and ,just using the energetic resources internally available use these resources to accelerate apart is there such a formula which gives their relative velocity (in a vacuum of course) and has their masses as a variable in the equation?
-
I may have been told this before ,but you are clearly saying that c is not just the speed of light. Would you remind me again what c is derived from? (not from the Maxwell equations surely since light is just a form of electromagnetic radiation.. and those equations ,if I am right give a figure for the speed of em radiation.)
-
How would one calculate the momentum of a particular quantity of light if one is not using the formula involving mass and velocity? (not being argumentative ,I genuinely have not studied this)
-
First human brain linked to the internet in real time
geordief replied to LauraBoop's topic in Science News
Yes ,that is interesting. The inter brain communication which in normally ** mediated by the vocal/motor output of one brain and the sensory input (plus "integration" )of the second brain is replicated in a very rudimentary way by signals moving across an internet connection. I don't know if anyone was supposing that this signal was able to reach its destination without great degradation (allowing only for snippets to be picked out seemingly ) but that potential achievement ,whilst extremely sexy may be an entirely unreasonable prospect at any time in the future (it might indeed herald an era of "thought control" or "mind fusion" ) ** ie everyday routine communication such as two people talking about the weather or films- anything at all,in other words. -
First human brain linked to the internet in real time
geordief replied to LauraBoop's topic in Science News
I am fairly certain this is impossible to do. Not sure if anyone in this thread is seriously suggesting some kind of a direct feedback mechanism. If they are I would very much like that idea to be backed up somehow. . I am not even sure if it is theoretically possible at some time in the future. It would imply that the brain was able to treat a brainwave pattern as an external stimulus that was immediately (re-?) incorporated as a thought or mentation. Bio-feedback works by the subject attempting to "move" his or her brainwave patterns in real time but I feel this has zero connection to what seems to have been brought up earlier in the thread.# Aside from that , I am not quite sure what this research actually has . It could be a powerful tool ,but quite what for I don't know. -
I was going to suggest that he only felt right in Spring (so it was Stravinski,then ?)
-
Does he anything like this fella? http://serincini.blogspot.ie/2015/06/iosis-totes-igor-squirrel.html
-
W What was the incident you remembered? Here is one I dug up quite easily but I don't think it is the same one. http://www.dailystar.co.uk/news/latest-news/637595/Brittany-Carter-male-taxi-driver-raped-ohio-jailed From the article the police was reported to have been mystified as to why she performed fellatio on the taxi driver as he was being held at knifepoint by her male accomplice.
-
So ,if a male mentally dominates a woman with a view to sexual intercourse that can be called rape? Is buying presents or meals a tool of the rapist? Flattery too?
-
Does "charity begin at home"? First be kind to yourself and ,on that basis your treatment of others will be similarly characterized. This behaviour may propagate in widening circles of "influence" ,passing through friends,colleagues ,family etc ,extending to other creatures at the end of the road.(even objects). Like all rules this would exist to be broken and adapted to circumstance.
-
Yes pedantry will certainly be required if we are ever to establish a firm footing in P Centauri
-
The Plasma drive only does 100,00 mph (kph? ) according to that programme. So only about 5 times faster than present day speeds. Here is something I found (that I cannot vouch for) They are discussing the Plasma Drive. https://www.universetoday.com/15403/how-long-would-it-take-to-travel-to-the-nearest-star/ "But adjusted for a one-way journey to Proxima Centauri, a nuclear rocket would still take centuries to accelerate to the point where it was flying a fraction of the speed of light. It would then require several decades of travel time, followed by many more centuries of deceleration before reaching it destination. All told, were still talking about 1000 yearsbefore it reaches its destination. Good for interplanetary missions, not so good for interstellar ones."
-
Yes I wan't sure of the name of the star (but I think we all know that I was referring to our nearest star that may have a planet around it in the Goldilocks zone) Arriving at P Centauri in any acceptable(?) timeframe will require relativistic speeds imo and how can such a craft be decelerated in order in make a landing? Any idea at all? The plasma drive would take an absurd 20,000 years (as I recall ) and so the question of deceleration/landing does not even arise.
-
If lifeboats ever became remotely feasible the danger might perhaps that they will only be for a few and policies might be followed which effectively set the Earth adrift as the motivation for making the hard choices on "terra firma" would be undermined. But I cannot see "lifeboats" ever becoming realistic (in a relevant timeframe) and I think if we do not manage our shrinking world we may all go down with the ship one way or the other. That discussion reminds me of the so called technological fixes to climate change that supposedly allow us to pollute the planet and emerge consequence free.
-
I have just been watching a documentary on BBC2 "The Search for a New Earth" http://www.tvguide.co.uk/detail/2790044/131126240/the-search-for-a-new-earth about the possibilities of sending a manned mission to Alpha Centauri ( can I say "don't laugh" ?) Along with Hawkin's warnings that many of us are no doubt familiar (in my case sympathetically so) with, the subjects of possible suitable destinations and methods of transport were addressed. I was left dissatisfied since ,although it appears technically possible to cut the time of journey to Alpha Centauri and its posited Goldolocks zone planet (all 4 light years distant from Earth) by means of ground based laser propulsion the crucial question of how to land on a planet was not addressed. If a theoretical manned craft can be sent to the neighbourhood of Alpha Centaur by accelerating it to relativistic speeds (10-20% of the speed of light by the looks of it) how can this craft be decelerated? A fly past is of no use whatsoever (not a problem for a fleet of mini craft equipped with sensing tools but useless for a manned expedition) I cannot see the point of a programme like this that does not address this point. And I cannot really see the point of even discussing this putative manned mission /colonization of Alpha Centauri unless there is consideration given to this (it seems to me) intractable problem. Has anyone a clue as to how any craft can be decelerated from such high speeds? Are there any possible methods?
-
I was happy with the "all the universe applying force to a neutrino" as a kind of limit. It means there is a limit of some kind (I wonder if the expansion/evolution of the Universe means that the force available to cause an acceleration in a part of it implies an increase in the force available or whether the greater distances involved mean that more work is required for this hypothetical task)
-
Feels like you answered the question. It also feels as if "infinity"as a word should be extirpated from the English dictionary if it was practical. It seems to be an entirely negative concept (dreamt up by some foreigner no doubt) It seems like shorthand for a process rather than an actual thing in its own right. And the force available to a finite system is also finite.....