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Calvesy

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Calvesy

Power supply to sodium street lamps

While rolling my eyeballs around one night I noticed that the blurred trails of sodium street lamps left about 100 long dashes per second on my retina, as you might expect from 50Hz ac. However,...
12:19 Mon 14th Mar 20059 answers, last by Calvesy 23:48 Sun 27th Mar 2005
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palaniyapan

Electrical Potential Energy

Is there anything called electrical potential energy?
11:35 Thu 24th Mar 20052 answers, last by Calvesy 14:16 Thu 24th Mar 2005
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10ClarionSt

Electical Brain Activity

Is it true that because the brain emits very tiny amounts of electricity, it would be possible in the future to harness these tiny currents and read peoples' thoughts?
15:59 Mon 21st Mar 200511 answers, last by slimfandango 01:43 Fri 25th Mar 2005
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JOEYSHABADO

Particle Accelerator

How can particles come from energy in a particle accelerator?
11:41 Fri 18th Mar 20055 answers, last by Calvesy 16:37 Mon 21st Mar 2005
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Dom Tuk

Thinking to oneself

When thinking to oneself, the words are formed and heard in your mind. So if it is you talking to yourself, your voice is played in your mind. How does this work. As there is no sound uttered how does...
16:18 Fri 18th Mar 200510 answers, last by Thunderchild 19:15 Thu 24th Mar 2005
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flano

Viruses

How do viruses ,represented as genes, invade cell to produce replicas of themselves? Thank you
23:51 Sun 20th Mar 20059 answers, last by AB Editor 12:14 Thu 24th Mar 2005
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avanier

water

specific heat capacity
16:59 Sun 20th Mar 20055 answers, last by bernardo 10:29 Wed 23rd Mar 2005
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Wolfridge

Old Western?

Anyone know the name of an old Western movie, about a French Canadian trapper called Pas Partout and married into a wealthy family in New Orleans
20:46 Sun 13th Mar 20051 answer, last by Calvesy 17:11 Wed 16th Mar 2005
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Xollob

Layla - why is this good?

Is there any scientific explanation why certain combinations of musical notes - for example the opening bars of 'Layla' by Derek and the Dominos - are good/memorable/powerful/timeless/exciting/etc. ?
14:06 Wed 16th Mar 200513 answers, last by Peter Pedant 00:37 Tue 22nd Mar 2005
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sandbach99

chemical reactions

Do the chemicals we eat or drink react in the body to form other chemicals, and is this process further added to with the chemicals we clean with, or chemicals we inhale etc.   If so what...
22:50 Mon 14th Mar 20052 answers, last by Thunderchild 16:53 Sun 20th Mar 2005
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Corvette5729

Science

how dose the altitude affect the air pressure of the air
00:51 Wed 09th Mar 20051 answer, last by Calvesy 16:35 Wed 16th Mar 2005
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hattster

Can a shadow be measured for thickness

Does a shadow have a depth or thicknes to it, if so can it be measured
13:01 Wed 16th Mar 20054 answers, last by jake-the-peg 17:01 Wed 16th Mar 2005
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hattster

darkness....what is it?

were does the dark go to when you switch on the light, what is darkness? Does it exist or is it an environment that is missing light?
13:08 Wed 16th Mar 200514 answers, last by SeanVictorydawn 15:45 Sun 14th Apr 2013
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Pootle

Speeding MOT fine

I got flashed by a speed camera a few weeks ago and have been sent a letter stating I am going to be fined and points etc. When I got flashed, the MOT on my car had expired by about a week, the...
16:48 Mon 14th Mar 20058 answers, last by Bangkok 16:59 Tue 15th Mar 2005
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NITA EDWARDS

compounds

What is the nitrogenous organic compounds of plant origin,morphine quinine ,etc
20:30 Sun 13th Mar 20052 answers, last by Calvesy 16:49 Mon 14th Mar 2005
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DONLORIMER

Pressure Rise v heat input

How do I calculate the rise in pressure of a contained volume of water, for a given temperature rise? I have a 10 Litre tank filled to the brim with water and then sealed off. What happens to the...
14:04 Mon 14th Mar 20052 answers, last by newtron 18:42 Mon 14th Mar 2005
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honoradele

Soviet Invasion of Poland 1939

When the USSR invaded Poland why didn't Britian and France declare war on the Soviet Union as they had against Nazi Germany?
16:08 Sat 12th Mar 20055 answers, last by magicbeatle 15:16 Fri 18th Mar 2005
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maitre d'

pro rata

Daughter's looking for a job.  She's seen one [Education based] salary is ?20K, but it's shown as "pro rata" does this mean as she'll only work 40 weeks [12 weeks school hols] her  actual...
09:03 Fri 11th Mar 20053 answers, last by Calvesy 11:56 Mon 14th Mar 2005
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bikeinn

Who discovered the speed of light ?

  Who discovered   the speed of Light and How?
17:12 Sun 13th Mar 20058 answers, last by jake-the-peg 16:32 Mon 14th Mar 2005
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miss sixty

ligaments

why is it important for ligaments to have high tensile strength?
16:01 Wed 09th Mar 20051 answer, last by Calvesy 15:31 Sat 12th Mar 2005

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