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vascop

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badhorsey

Co-ordinates of a dodecahedron

Hi, I'm trying to plot a dodecahedron on an ancient 3D program (VU-3D on the ZX Spectrum, in fact). What I need is a set of co-ordinates for the vertices, either absolute or relative... it doesn't...
15:09 Mon 30th Jan 20127 answers, last by badhorsey 21:58 Mon 30th Jan 2012
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phl666

Digibox popping noise

Occasionally, my digital tv and Digibox make loud popping and cracking noises, caused by poor reception. What is actually making the sound? It seems much louder than the volume setting of the tv, and...
09:52 Sun 29th Jan 20121 answer, last by vascop 19:49 Sun 29th Jan 2012
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SwerBan

Google

How does Google store all the information? Where does Google store all the information?...
21:50 Sat 28th Jan 20129 answers, last by squarebear 22:49 Sun 29th Jan 2012
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pramod1114

Explain the bones of skull bone with their clinical features

Explain the bones of skull bone with their clinical features
19:08 Mon 23rd Jan 201218 answers, last by venator 10:20 Tue 24th Jan 2012
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Peter Pedant

Tangents Normals and parameters

A curve is given by x=t2, y=t3. Find the eqn of the tangent with parameter u and the eqn of the normal to the curve at a pt whose parameter is v Find the parameter of the point where the tangent at...
19:15 Wed 18th Jan 20127 answers, last by vascop 14:57 Mon 23rd Jan 2012
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rov1100

Time after the Big Bang

Its remarkable how we can look back billions of years soon after creation. If all those events happened billions of years ago how do we know what happened to those events since?
13:45 Tue 17th Jan 201245 answers, last by vascop 11:10 Fri 20th Jan 2012
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mrspask

It dont seem right!!!

THE CIRCUMFERENCE OF A CIRCLE IS 22/7 x THE DIAMETER SO ---IF YOU INCREASE THE DIAMETER OF A CIRCLE FROM 2 INCHES TO 3 INCHES,THE INCREASE IN CIRCUMFERENCE IS 3.142 INCHES. IF THE CIRCLE DIAMETER IS 1...
17:38 Sat 14th Jan 201220 answers, last by WyeDyed 19:00 Mon 16th Jan 2012
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hiflier

A question of latitude

I want to know the formula for calculating the small circle distance ie distance round the earth of a parallel of latitude, using the numerical degree of that latitude and the actual circumference of...
23:18 Thu 12th Jan 20124 answers, last by mibn2cweus 17:38 Fri 13th Jan 2012
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Peter Pedant

Length of tangents - circles and ellipses

Proper maths q coming up The reader will know that plugging in the co ordinate (p,q) into the eqn of a circle when (p,q) does NOT lie on the circle will return the length of a tangent to the circle...
19:38 Tue 27th Dec 20117 answers, last by vascop 13:36 Tue 10th Jan 2012
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INQUISITOR63

MATHEMATICS

How do you calculate the litres of oil in a tank from the dimensions of width and length and height of oil level and hence the current volume of the tank. This was no problem to me in school days but...
18:18 Fri 06th Jan 201234 answers, last by theprof 01:11 Thu 12th Jan 2012
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Peter Pedant

Maths again Exponential expansion

the question is find a and b in termns of n if the expansions of (1+x)n and exp ( ax/(1+bx)) are the same up to x2 (1+x)n is easyy 1 +nx + n(n-1)/2! x2 etc but the exponent : 1 + ax/1+bx +...
08:40 Wed 04th Jan 201211 answers, last by Peter Pedant 09:08 Mon 09th Jan 2012
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David H

Climate tipping point question

This theory is totally bugging me. James Hansen claims that at a future point of rising CO2, when the temperature reaches around +2.5C there will be a runaway increase with associated chaos. As I only...
21:44 Thu 29th Dec 201121 answers, last by David H 02:18 Sat 12th May 2012
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ansteyg

Quantum "Spin", what is it?

OK I have some Idea, I have read about it but what I'm looking for is an everyday analogy, ie some way to visualise. Any suggestions? thanks.
00:18 Thu 29th Dec 20116 answers, last by ansteyg 14:04 Fri 30th Dec 2011
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Elderman

Do I Have to Believe Evolution?

Well,For 116 years it graced the halls of the National Museum of Wales at Cardiff—the fossilised skeleton of a 200m[illion]-year-old predator that once cruised the Jurassic seas,” says...
17:06 Tue 29th Nov 2011350 answers, last by jomifl 13:58 Fri 23rd Dec 2011
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dk_psy

Help with logic

Is anyone any good with logic and boolean algebra? I have (PandQ)or(Rand S) and I'm trying to get step-by-step to the point where this this implies (PorR)and(QorS) using Boolean algebra, but I keep...
17:09 Wed 07th Dec 201118 answers, last by vascop 12:21 Fri 09th Dec 2011
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Dany1989

HELP for my electronic project at uni

I am doing an electronic project about wireless data transmission, but my teacher wants something more complicated like wireless data transmission in both ways, besides the idea of the project needs...
00:11 Thu 01st Dec 20111 answer, last by vascop 18:36 Thu 01st Dec 2011
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GK Fanatic

email contacts

How do I stop other recipients of an email sent to a number of people adding themselves to my address book, its driving me nuts !! Many thanks in advance !
22:37 Sun 27th Nov 20118 answers, last by coccinelle 13:47 Mon 28th Nov 2011
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Pangolin

Weighty Problem

A lorry is carrying a large cage full of birds which are all standing on the floor of the cage. If the birds decide to fly about in the cage will the weight of the lorry and its load change? Answer...
22:13 Wed 16th Nov 201150 answers, last by Old_Geezer 18:16 Mon 28th Nov 2011
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sandyRoe

What will the atheists say when...

While walking my dogs this morning beside the lake I fell into a reverie. I imagined a time in the far distant future when most ABers were in Heaven. The atheists, though bemused, were as happy as...
18:34 Fri 18th Nov 201158 answers, last by jomifl 16:14 Tue 22nd Nov 2011
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Elderman

Do you feel threatened or uneasy about the atheist population

I would appreciate all answers I receive; this is for your school project.
08:40 Wed 16th Nov 201157 answers, last by DTcrosswordfan 21:06 Sun 20th Nov 2011

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