John Cuthber

I don't know a lot about differential diagnosis, but I do know examiners often ask unexpectedly difficult questions. Is there any proof that there's only one disease involved?

I know what a Curie point is thank you. Does anyone have access to this paper? http://www.jstor.org/pss/95646 P371 of this http://www.rsc.org/delivery/_ArticleLinking/DisplayArticleForFree.cfm?doi=CA9058805365&JournalCode=CA suggests rather strongly that the crystal structure affects the diamagnetism of Bi. The behaviour of liquid water is, of course, nothing to do with the crystal structure; why mention it?

If you took a balloon diving with you it would get squashed. It would occupy less space so you would get more baloons to the kilometer. Also the air in it would be compressed so that too would be denser. What I'm really not certain about is the effect of lower atmospheric pressure on the balloons a long way up. An inflated balloon at the top of Everest has less (mass of) air in it. I think the overall effect is that only the weight of the rubber counts because the air in the balloon is bouyed up by the air outside it. If I weigh a balloon, then blow it up and reweigh it the weight is very nearly the same. This is a more interesting question that it first looks.

A related effect means it's very imortant to have fans on spacecraft. People do not spontaneously "reignite".

"0.147g/126.07g/mole - 0.001 " Pardon?

Imagine you are at the foot of a very high column of balloons. Apart from you, there is nothing to hold them up. If they are heavy enough they will squash you.

IIRC the diamagnetism goes away on melting so it's to do with the odd crystal structure,

How do you justify multiplying the power by 7? Please do this with the world's power stations and solve the energy crisis. The simple fact is that if you try this trick what will happen is the motor will overheat because you are overrunning it. If you tried running a 12 HP compressor with a 1 HP motor it would initially run fine but, as the pressure in the air receiver rose the force on the pistons (and thus on the motor) would rise. After a while the pressure would be so high that the motor would stall and burn out. With 10HP you wil probaly get away with it for a while.

Why would the balloons at the bottom pop? Surely they would just get squashed.

Make sure that the container it is in is big enough to contain the foaming. Also, don't forget the suck-back trap.

Oops! that last unit should be litres. 10 ml is a perfectly reasonable answer for a titration.

I think you have multiplied by the molar mass of NaOH twice. .0000977 moles of acid takes the same number of moles of NaOH and you can calculate the volume of that without needing the molar mass of NaOH. 0.0000997mol/0.0100 mol/litre =x mol

Is this what you mean? http://en.wikipedia.org/wiki/Anandamide

The experiment has certainly been repeated many times. For a long time (and perhaps still) there was a pendulum set up in the science museum in London and a similar one in the university of Manchester. I guess there are others. http://www.scienceandsociety.co.uk/results.asp?image=10196799 http://en.wikipedia.org/wiki/Manchester_Conference_Centre As you say, the coriolis effects are pretty convincing. The original problem of the "earth at the centre of the universe" idea i.e. the complications of the orbits of the planets and sun remains a major problem for those determined to believe in it. Anyone who doesn't believe the evidence we currently have simply isn't paying attention.

Making compressed air takes energy. The compressor will have a rating of so many cubic feet per minute at such and such pressure. That is a power rating. Ignoring the efficiency and things like friction losses that requiremment is why it needs 12HP and 10HP quite simply won't do it. Given that the displacement (CF/M) will be the same (because the RPM is the same) the pressure will not be as high- if you try to run this system at full load you will overload the motor. Stop pretending that you can ignore the power rating.

Chlorinating ammonia is a bad idea. http://en.wikipedia.org/wiki/Nitrogen_trichloride

I will do it for $50- nothing like competition in the market.

Thanks for that, I understood almost every word, but not a single concept.

Is there a "Quote of the week" award here?

230,000 hits on Google for "10 year" lithium suggests that not all Li batteries discharge quickly.

Royal "we"?

Thanks for clarifying your expertise in this matter.

That's the whole idea.

I think there's a 1 dimensional fractal but I can't remember what it's called. The way to make it is to start with a line segment. Remove the middle third- this gives a couple of lines with a gap between them. Remove the middle third of each of the 2 line segments left giving 4 shorter lines. Continue to do this with each of the new lines until they are reduced to "dust".

If the frankenstein experiment is impossible because it makes "dead stuff" into "live stuff" then the teleportation idea fails for the same reason. Cloning has been done at least once with sheep and there's no reason to make it techincally impossible with people. However the success rate is poor and making lots of severely disabled people is unethical.