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mibn2cweus

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funkymoped

the speed of sound

the americans broke the sound barrier at around 660mph in the air. Britain broke the sound barrier at 763mph on the ground with Thrust SSC. why is there NO set speed for sound ? even on the day Thrust...
19:26 Wed 17th May 200610 answers, last by phaloides 13:26 Mon 22nd May 2006
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madham

photosynthesis - is that spelt correctly

Does grass go through the process and is it a plant? If it is.... Could everyone not just grow their grass and therefore reduce CO2 levels? This thought just popped in my head.
23:08 Wed 17th May 20068 answers, last by Cobrien 18:39 Thu 25th May 2006
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funkymoped

immaculate conception..

ok, im not a doctor but this has got me baffled.. anyone got any theories ?
18:12 Wed 17th May 200614 answers, last by jenstar 13:55 Sat 20th May 2006
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potterfan3

Famous Chemist

My chemistry teacher has had a heart attack (he's fine), and my physics teacher is also been away for a while (she's in hospital). Anyway, our new physics teacher is a spitting image of einstein, so...
20:24 Tue 16th May 20062 answers, last by mibn2cweus 23:08 Tue 16th May 2006
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The Tree

Creationism

How do creationists place the age of the world at approx 10,000 years old.its baffling me as to where they come up with the logic to place it at that age.also how do they explain dinosaurs.i heard a...
13:18 Tue 16th May 200611 answers, last by parkesquay 17:41 Fri 19th May 2006
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pquinlan

Rainbow query

I like rainbows and know a bit about them: circle around a line between your head and the sun, secondary inverted rainbow, and so on. But I have often noticed (esp when a lot of dark cloud behind it)...
11:08 Tue 16th May 20063 answers, last by Geo1000 11:11 Wed 17th May 2006
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drme1981

theoritical experiment on relativity

Consider a train , its proper length = 375000 km , traveling at a speed of 180000 km/sec (0.6 of speed of light) relative to person (name him B)Consider a beam of light that travels in the same...
05:26 Sun 14th May 20063 answers, last by mibn2cweus 01:36 Mon 15th May 2006
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Whoo-hoo

Electricity

What happens to the electricity that goes into a lightbulb, if it get's used up by turning the bulb white hot, why do you need a return path? ?what goes back
17:44 Wed 10th May 20068 answers, last by Zevon 16:13 Sun 14th May 2006
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S Austion

Earth

How does the earth's position to the sun determine the lenght of daylight?
03:20 Thu 11th May 20063 answers, last by mibn2cweus 10:21 Thu 11th May 2006
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kermit911

The Univers

The univers is constantly expanding, but once it stops will it just pop like a ballon or deflate in other words? WIll we be able to see the universe collapsing? How long in advance "with...
13:32 Mon 08th May 20063 answers, last by mibn2cweus 19:12 Wed 10th May 2006
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druiaghtagh

Origin of the species

Is Charles Darwins theory still the accepted way of things in this age, thankyou
17:16 Mon 08th May 200629 answers, last by Clanad 15:17 Fri 12th May 2006
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halle_gurl

earth science

a finger of mineral deposit hanging from a cave roof
02:49 Wed 10th May 20064 answers, last by vicalncraig 19:43 Thu 11th May 2006
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treborwood

equator something

if the equatorial line on an atlas is straight at 0*, what is the line called that fluctuates around 0* according to season.
01:41 Wed 10th May 20062 answers, last by matt_london 13:38 Fri 12th May 2006
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spudqueen

which fraction is bigger?

Which is the biggest fraction out of 2/5 and 3/7? And how do you work it out?
20:19 Mon 08th May 200611 answers, last by Gef 00:38 Thu 11th May 2006
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Vimto

Roman numeral number 4

On a clock face that has Roman numerals, eg.No 6 is represnted as V1, No 5 as V and so on. Why is the representation for No 4 always expressd as 1111.? Look on mantle clocks ;grandfather clocks ;...
14:41 Tue 09th May 200616 answers, last by Vimto 05:36 Thu 11th May 2006
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Vimto

Roman numeral number 4

Why, on a clock or watch which has roman numerals is the number4 always expressed as 1111 and not 1V? All the other numbers are expressed as one would imagine. eg.5 isV; 6 is V1 and so on.
14:32 Tue 09th May 20062 answers, last by mibn2cweus 17:18 Tue 09th May 2006
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damo666

Other life in space!

So many people believe that apart from our planet; earth, the probability of other life in space is very low. However, I think that if the universe is infinate then of course there has to be alot more...
23:13 Sat 06th May 200610 answers, last by Zevon 16:29 Sun 14th May 2006
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boink

clock

ok i know this isnt really the place for this question but.... what would you call one of those clocks that flip round like the pages in a book, early digital clocks or something, im trying to find...
00:54 Mon 08th May 200611 answers, last by waltadasilva 22:18 Wed 10th May 2006
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gerkin

candles

Why do candle flames burn in the shape of a tear drop ?
13:27 Mon 08th May 20061 answer, last by mibn2cweus 15:51 Mon 08th May 2006
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Mistermouse

Northern Star

My son had a question from school- Why in a photo of the Northern Star do all the surrounding stars appear to have rings of light around them.
14:00 Sat 06th May 20066 answers, last by Mistermouse 19:26 Sat 20th May 2006

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