Posts by password 7 publicly visible posts • joined 23 Oct 2009
I would point you to the statement by the American Association of Petroleum Geologists: "no scientific body of national or international standing rejects the findings of human-induced effects on climate change"
Is this not at least worth reading the actual body of the article rather than dismiss it as it does not hold to your world view?
Hmmm, for my top 10 I'm going to have to go old school
1)Language
2)Alphabet
3)Agriculture
4)Fire
5)Wheel
6)Transistor
7)Vaccination
8)Penicillin
9)The internet
10)The Steam Engine
IMO there is only one way to carry out these surveys. get a list of all the inventions then present the survey muppets with 10 at a time. Get them to order them from most important to least important and aggregate the results. I would also question wether an Iphone is an invention as it's more a good user interface than an invention.
Cars make a hell of a noise by their motion through the air. by the time they are going slowly enough for this not to be noticable they are travelling very slowly indeed. Most of the blind people I know manage to avoid stepping into oncoming traffic quite well be use of either a friend, a guide dog or if they're heading out alone usually going to pedestrian crossing points which act as good landmarks for navigation.
These people are blind not stupid.
I can assure you that as long as both ends of a pipe are at similar pressures (the difference of say a half a meter from a car's fuel tank to the ground is approximately no differnce in pressure.
The "Sucking on the hose" the author reffers to is in order to overcome the force of gravity not to create a pressure differential. It is possible (and indeed prefferable for many of the more unpleasant tasting liquids) to immerse the length of hose in the upper pool stick your thumb over the end of the pipe to hold the column of water in place then lower the end of the pipe and remove your thumb.
Bingo your siphon will start to flow because you have a solid column of water and one end is in a lower gravitational energy state than the other.
the act of sucking on the pipe is just a handy way to overcome the initial gravitational potential when it is not possible to immerse the hose.
Asside from the difficulty of whatever liquid you used evaporating there would be nothing to stop you siphoning in a vacuum.
Regards BSc Physics
1 - there was a bug. It was identified for the most part with few failures the media made the hype
2 - we haven't had a nuclear war this is down to politics not science. Were we to have a nuclear war this would probably be the case.
- hole? -> http://garybrandastrology.com/images/Earth%20-%202005%20hole%20in%20ozone%20layer.gif
possibly just an extreme thinning. We acted and banned CFC's worldwide.
3 - It has never (even before columbus) been the common view that the world was flat and even had it been prior to sir Francis Bacon there wasn't any real science there was only philosopy.
Currently own a swift and it's a nice workhorse. I would however question the financial sense of making a fairly efficient little car (55-60 mpg on my motorway commute) a little bit cheaper to run. Surely the market is cars like bentlys where they cost so much to run that a decent motor and battery pay for themselves in a year or two rather than having to run the car into the ground for 4-5 years to make up the difference.
I have developed a new system which can do the same as the japanese on but with a much higher degree of accuracy. It's essentially a voice recognition programme which looks for the phrases:
"Help i've just been stabbed"
"I wonder if that snake was poisonous"
"The house is on fire and i'm trapped under a beam"
and the all time favorite
"what bus?"
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