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Everything posted by StringJunky
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Interesting, star older than the universe??
StringJunky replied to 36grit's topic in Astronomy and Cosmology
Yeah, even though the age is the same, what we measure is different due to the finite speed of information but one also has to be careful as there is no preferred time reference as far as I understand...it confuddles me greatly to be honest as a total novice. Stardust by John Gribbin is a nice book (and cheap) for a lay reader on the evolution of stars. -
Interesting, star older than the universe??
StringJunky replied to 36grit's topic in Astronomy and Cosmology
The universe is the same age everywhere so it's no surprise to me that such an old object is near us -
No, the OP made the assertion. It is incumbent upon them to support it...this is the way science is done.
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This is a science forum. Can you provide some sort of evidence to support your assertions?
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Find works of fiction that are written in a style that fires your visual imagination such that they immerse you, take you out of your present reality and put you in another one. Tolkien, Douglas Adams, and Terry Pratchett used to do it for me.
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To echo Griffon, a science chat forum is not the appropriate place to get medical advice...go and see your doctor.
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Don't pay anything. Join up with this site and ask your question in the Security section called: Am I infected? What Do I Do? http://www.bleepingcomputer.com/forums/ They will guide you in it's removal. Hope you get sorted. For your future peace of mind after you get sorted I strongly recommend you buy an external hard drive and put your personal files on that...you should never keep personal stuff on the same drive/partition as your operating system..
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It makes sense to me that life started in relatively extreme conditions like near hydrothermal vents as this area is highly kinetic with a wide range of thermal gradients around them so the opportunities for the necessary basic chemicals to interact and actual reactions occurring between them is pretty high I reckon.
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Looking for help! What is the right bacteria?
StringJunky replied to A.Duff's topic in Microbiology and Immunology
http://en.wikipedia.org/wiki/Maceration_(bone) -
What would a neutron star look like?
StringJunky replied to Fanghur's topic in Astronomy and Cosmology
A sugar cube of it apparently weighs 100 million tonnes so we'd be very deep in the mire if a full one hit the Earth. at 500 miles per second. -
Press the Print Screen (PRT SC or PRTSCN) button on the keyboard then open an imaging app like Faststone Image Viewer Menu > Edit > Paste. You can crop the image with the app as well. If you wanted to keep the cursor as well you need an app which delays the capture by some predetermined time whilst you put the cursor back. Edit: Iggy beat me.
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You could try this running across the belt on the rear underside of your treadmill. make sure one of the ends is touching the metal for grounding. You could also try a bit round your wrist to see if that other idea works or is BS...it's cheap enough. http://www.sportsmith.net/ItemForm.aspx?item=P01OK2617640000 I've found this problem quite interesting and learnt that the problem is the static charge building up on you is being insulated by your footwear and the treadmill belt. If these both had conductive materials (carbon?) in them the problem would be alleviated but this is probably quite costly but worth bearing in mind when considering a future purchase of these things again. Could you wash your running shoes in anti-static fabric conditioner? Also you could clean your treadmill belt with it in. Coupled with the tinsel fitted these three things might create sufficient continuity for controlled steady discharge...it will smell nice anyway! The good thing about this approach is doesn't interfere with your activity like a strap does.
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What else can it be?
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Have a read of this then look at the video; http://www.esdjournal.com/articles/treadmills/treadmillshocks.htm. Make sure to look at the video where it says Van der Graaf Generator and Friendship bracelet.
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All gods live in the gaps. Saying that the universe came from nothing is just a frank admission that science doesn't know...yet.
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Morality is a construct and property of human cognition so it's not objective ie in the absence of human cognition it does not exist. If a deity existed then it would be an objective property.because it would then exist independently of human cognition. I can't see it makes any difference in the quote above because 'objective' and 'transcendental' morality are both dependent on the existence of a deity or some such.
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I don't. I'm just trying to put across the scale of the problem referenced against what we have and know now.
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Moon You want to look at likely distances for alien civilisatiions and the energy requirements to travel those distances. To accelerate 1 tonne to 10% of the speed of light requires 125 billion Kwh of energy, assuming 100% efficency; The average US nuclear power station produces 11 billion kwh in a year so you need the annual output of 11 nuclear power stations to push your 1 tonne rocket to 67 million mph (10% SOL). Say there was an alien civilisation around Alpha Centauri it would take 43 years to reach here...86 years round trip...a long time for a jaunt. They will need that same amount of 125 billion kwh to decelerate. Their craft would at a minimum be many tonnes and the numbers get even sillier. Look at the size of the "craft" in the photos...can they seriously store the required amount of energy in that amount of space? i used this Wiki to get some rough numbers. http://en.wikipedia.org/wiki/Interstellar_travel and other bits.
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No. The atomic bonds that hold you together are far stronger than cosmological expansion. You have to be careful not to push an analogy too far...they are not meant to be, nor can be, totally accurate. all the penny/balloon analogy is meant illustrate is the intra-galactic components not being affected by the forces of expansion due to their combined gravity. Don't forget galaxies are evolving too. As you go back in time they become more gaseous in structure and the makeup of the universe becomes more homogenous. .
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How do you describe verbally that which there is no macro world correlate to use as a mutually understood reference point but has measurable numerical parameters? This is most of physics. Maths is also the bridge between different verbal languages...it is commonly understood. The dissemination of new ideas across international borders would be severely stifled if it was primarily verbal because there wouldn't be a common language. Why should science cripple itself to accommodate those that can't make the effort to learn it's language? Even though my maths level is only very modest I find this oft repeated railing against mathematics in science puzzling because to me algebraic language is quite clear and rather beautiful in the way it describes things without any ambiguity. Mathematics is not a problem, it's a method of concise description..