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Question title

The prof
Is he still around? Last year he helped me so much with some questions and I haven't been coming in to this section for the past year so was just wondering if he still came here!!
SKA
26/06/08
14:27
27 answers (last answered: 30/06/08 18:45)
big wheels keep on turning
why do car wheels appear to be spinning anti-clockwise when the car is moving forward?
pesama
26/06/08
09:29
7 answers (last answered: 27/06/08 14:17)
Eating spiders
Do we eat spiders in our sleep?
smileyfem
25/06/08
17:41
5 answers (last answered: 26/06/08 08:58)
large hadron collider
If the Large hadron collider lives up to all expectations and does n`t destroy the Earth , what will it mean to the average man in the street in the long run. what return will those companies that have sunk millions... [more]
claymore
25/06/08
08:31
20 answers (last answered: 02/07/08 04:06)
Crescent moon positions
I desperately need to know the answer to the below question and am sure you brainboxes will have all the info. I know virtually nothing about astronomy and have spent hours looking on the internet for the answer ... [more]
snooper
24/06/08
15:13
7 answers (last answered: 25/06/08 17:09)
Solve for a,b,c and d
This is a third order Polynomial Fit with the equation x = a*y^3 + b*y^2 + c*y + d. Can anyone improve on my estimates; a is 0.003596522, b is -0.8503, c is 66 and d is -1580? Here are the co-ordinates. ... [more]
AG Fanclub
24/06/08
14:14
3 answers (last answered: 26/06/08 13:53)
parts per billion to parts per million
I have a report which quotes various chemicals in parts per billion. When I google these chemicals are normally in parts per million. If a substance is 2.5 parts per billion what amount is it in parts per ... [more]
sandbach99
23/06/08
22:18
5 answers (last answered: 25/06/08 19:10)
Veins
Why do veins appear either blue or purple?
Alfee
23/06/08
17:48
2 answers (last answered: 23/06/08 22:34)
pi
can anyone explain in simple terms why the decimals of pi appear to go on indefinately..?...then i ll let you into my little secret that there are a finite number.
xerus
23/06/08
10:00
21 answers (last answered: 25/06/08 11:30)
To boil water
This may be the wrong spot, but. Which is the most economical way to boil a quart of water. An electic kettle or a kettle on a gas stove.
Bellringer
22/06/08
17:39
5 answers (last answered: 23/06/08 17:48)
Difference of opinion
Could anyone please settle a difference of opinion and answer the question, Which metal does not rust? Many thanks.
Lucienne
21/06/08
16:41
14 answers (last answered: 29/06/08 20:03)
Camera Zoom for Space photos
If I wanted to buy a camera to take pictures (without a telescope) of say, saturns rings or jupiter and its moons, what kind of optical zoom would be required. 10x, 20x, 100x? I literally have no idea when it comes ... [more]
ed2288
21/06/08
13:29
5 answers (last answered: 22/06/08 14:38)
who decided
so who decided that our planet was going to be called Earth and who named all the other planets and suns it's always been something i've wondered about xx
jules68
20/06/08
17:58
6 answers (last answered: 21/06/08 12:43)
water supply
After a kitchen refit using taps fitted with diffusers Ive noticed this disgusting build up. http:i280.photobucket.comalbumskk165ykl99 PICT0436.jpg?t=1213967533 Ive let it get to this stage for photograph... [more]
dogbutter
20/06/08
14:31
13 answers (last answered: 23/06/08 07:11)
rigging
can two 1ton single wire slings side by side lift 2 ton.
thepoohman11
20/06/08
12:47
1 answer (last answered: 20/06/08 15:22)
how hot can it get?
We know that there is an absolute zero, but at the other end of the scale is there an absolute hot?
claymore
19/06/08
06:52
2 answers (last answered: 22/06/08 11:57)
Teeth
Have humans always had teeth to eat meat or did they evolve later? If they were always present does that mean we were not alone when the first humans existed?
sp1214
18/06/08
20:13
7 answers (last answered: 20/06/08 22:16)
science
In equations involving velocity, the triangle symbol means
paula0803
18/06/08
15:50
5 answers (last answered: 18/06/08 20:55)
Re-cycling.
What can NOT be effectively re-cycled nowadays?
Abdulmajid
17/06/08
19:16
12 answers (last answered: 26/06/08 17:32)
oil burning
what are the 2 main products formed when oil burns
studyone
17/06/08
17:39
7 answers (last answered: 19/06/08 22:06)
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