Science
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telescopic photography
how do i take a photograph with a telescope can anyone recommend any books on basic astronomy
how do i take a photograph with a telescope can anyone recommend any books on basic astronomy
iggymiggy
23/11/08
13:35
23/11/08
13:35
If UFO`s do exist, what do you think their intentions are?
http:www.dailymail.co.uknewsarticle-108830 7Helicopter-dramatic-near-miss-sinister-UFO-1 -500ft-Birmingham.html If UFO`s really do exist, have you any thoughts as to what their intentions here could be, wheth... [more]
http:www.dailymail.co.uknewsarticle-108830 7Helicopter-dramatic-near-miss-sinister-UFO-1 -500ft-Birmingham.html If UFO`s really do exist, have you any thoughts as to what their intentions here could be, wheth... [more]
MsEVP
23/11/08
10:01
23/11/08
10:01
chameleon
can a blind chameleon change its colour?
can a blind chameleon change its colour?
Dr.knuckles
23/11/08
04:05
23/11/08
04:05
calculating % O2 inspired
Does anyone have any idea how to calculate the % Oxygen inspired? At rest my expired gas values were: % CO2 - 2.67 % O2 - 19 At exercise it was: %CO2 - 4.33 %O2 - 16.7 i would appreciate it if i g... [more]
Does anyone have any idea how to calculate the % Oxygen inspired? At rest my expired gas values were: % CO2 - 2.67 % O2 - 19 At exercise it was: %CO2 - 4.33 %O2 - 16.7 i would appreciate it if i g... [more]
isha01
23/11/08
00:28
23/11/08
00:28
time and relativity
If time is relative; I understand that has been proven. Does that mean that all events could/have/will all happen at the same time. That's what I have been thinking about. Just wondering.
If time is relative; I understand that has been proven. Does that mean that all events could/have/will all happen at the same time. That's what I have been thinking about. Just wondering.
nohorn
22/11/08
20:02
22/11/08
20:02
buffer solution
how would i make a basic buffer if i was given 250cm3 each of the following 0.5moldm3 solutions and no other chemicals? solutions are HCL acid, ethanoic acid, ammonia, sodium hydroxoxide, I need to give approx volu... [more]
how would i make a basic buffer if i was given 250cm3 each of the following 0.5moldm3 solutions and no other chemicals? solutions are HCL acid, ethanoic acid, ammonia, sodium hydroxoxide, I need to give approx volu... [more]
isha01
22/11/08
00:28
22/11/08
00:28
Biology Salters-Nuffield
Does anyone have any Biology Salters-Nuffield past papers for AS before January 2007, because the Edexcel website doesn't distribute any before then. Thanks I really need them.
Does anyone have any Biology Salters-Nuffield past papers for AS before January 2007, because the Edexcel website doesn't distribute any before then. Thanks I really need them.
sama1
21/11/08
23:57
21/11/08
23:57
Railway track
Lengths of track used to be joined together using fish plates - and a gap was left between adjoining track to allow for expansion. This resulted in the comforting rhythmic noise now missing from railway journeys. Ho... [more]
Lengths of track used to be joined together using fish plates - and a gap was left between adjoining track to allow for expansion. This resulted in the comforting rhythmic noise now missing from railway journeys. Ho... [more]
sandmaster
21/11/08
14:56
21/11/08
14:56
Geological Time in One Day
Someone told me recently that if the history of the earth were measured as one day (24 hours) then the dinosaurs lived from approx 10.45pm - 11.41pm and modern man (homo sapiens) appeared at just before 4 seconds to... [more]
Someone told me recently that if the history of the earth were measured as one day (24 hours) then the dinosaurs lived from approx 10.45pm - 11.41pm and modern man (homo sapiens) appeared at just before 4 seconds to... [more]
Barquentine
21/11/08
11:42
21/11/08
11:42
gas
what gas is created when burning DICHLORODIFLOURPMETHANE as when passing it over a hot element when leak testing [pre 1990]
what gas is created when burning DICHLORODIFLOURPMETHANE as when passing it over a hot element when leak testing [pre 1990]
woolleysheep
20/11/08
17:21
20/11/08
17:21
you can't win with cars.
even though oil and stuff you need to make petrol and diesel from is going to run out soon, so will lithium which is in car batteries. so if everyone in the world switched to electric cars the lithium wouldnt ... [more]
even though oil and stuff you need to make petrol and diesel from is going to run out soon, so will lithium which is in car batteries. so if everyone in the world switched to electric cars the lithium wouldnt ... [more]
nix-j-c
20/11/08
16:44
20/11/08
16:44
Plutonium........
Question for the Nuclear Physicists among you! Come on Jake..... Anyway Plutonium is highly radioactive and I once read somewhere that if you where in a small room with a pound of it you would be reduced to a p... [more]
Question for the Nuclear Physicists among you! Come on Jake..... Anyway Plutonium is highly radioactive and I once read somewhere that if you where in a small room with a pound of it you would be reduced to a p... [more]
R1Geezer
20/11/08
10:55
20/11/08
10:55
Reflestion
What is the cause of lateral inversion in plane mirrors?
What is the cause of lateral inversion in plane mirrors?
Anup-Karki
20/11/08
04:47
20/11/08
04:47
qualifications
what qualifications do i need to be a forensic scientist? what do i need to study in university?
what qualifications do i need to be a forensic scientist? what do i need to study in university?
smokey2
19/11/08
19:57
19/11/08
19:57
correction factor
hi iv got a correction factor of 0.69, what i want to know is what is the significance of this and what exactly does this result mean?
hi iv got a correction factor of 0.69, what i want to know is what is the significance of this and what exactly does this result mean?
isha01
19/11/08
13:51
19/11/08
13:51
science and technology
give two examples for industries.explain the role of science in production process
give two examples for industries.explain the role of science in production process
rajjeesh
19/11/08
13:26
19/11/08
13:26
Windpipe Transplant
Surgeons in Spain have carried out the worlds first tissue-engineered whole organ transplant - using a windpipe made with the patients own stem cells. http:news.bbc.co.uk1hihealth7735696.stm Pretty ama... [more]
Surgeons in Spain have carried out the worlds first tissue-engineered whole organ transplant - using a windpipe made with the patients own stem cells. http:news.bbc.co.uk1hihealth7735696.stm Pretty ama... [more]
AB Editor
19/11/08
09:55
19/11/08
09:55
Connective tissue wrappings in nerves
What is the value of the connective tissue wrappings found in a nerve?
What is the value of the connective tissue wrappings found in a nerve?
midwestnerd
18/11/08
05:38
18/11/08
05:38
depolarization and action potential
Why don't the terms "depolarization" and "action potential" mean the same thing? (Hint: under what conditions will a local depolarization not lead to the action potential?)
Why don't the terms "depolarization" and "action potential" mean the same thing? (Hint: under what conditions will a local depolarization not lead to the action potential?)
midwestnerd
18/11/08
05:36
18/11/08
05:36
Nerve impulses
Would a substance that decreases membrane permeability to sodium increase or decrease the probability of generating a nerve impulse?
Would a substance that decreases membrane permeability to sodium increase or decrease the probability of generating a nerve impulse?
midwestnerd
18/11/08
05:35
18/11/08
05:35
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