Search:

How do I go about calculating the direction any given object will roll-in?

With a cone-shape for example, I imagine it involves the circle described by the small end, and the fat end, around a...

Holy Cr*p!!

I am familiar with the basic theory of sound.. pressure waves produced by a vibrating object...

But when one plucks a string to produce sound (a guitar, for example) does the string only vibrate...

What is the densest timber that can be bought in large pieces?

By large, I mean a timber that could be bought in a piece big enough to make a solid-body electric guitar with no splits in the...

I have read about various creatures that can exist without oxygen, and some do without light either...

They seem to live on sulphur in most cases, around volcanic vents in the deep ocean..
...

Heheh,

OK, looks like there's some serious nostalgia in the air! Who remembers the other beast of that era... the Atari ST ?

Anyone out there still use an amiga?

Someone recently told me that the amiga (the ones I used as a kid, were the 500 and the 1200) is still unsurpassed for certain music and graphics applications....

OK, I am interested in how two liquids react..

Say I have a tank full of a liquid: water for example

I am going to inject another liquid into it, via a submerged syringe. The liquid I am...

In addition to Labman's very well-put answer,

There was a time when Christianity believed that The Earth was the centre of the universe, and that all other heavenly bodies revolve around it..
...

The soil at the depth where the fossils are found, will surely be fossilized also?

I understand both the above answers to be correct.

However, I have often wondered: I am sure there are fossils of enormous insects, such a dragon-flies... anybody have info?

I once...

Two comments:

1) Various studies have shown that some animals have the ability to lie or decieve (eg hide some bananas under a box while a rival watches, then move them as soon as their back is...

Can anyone advise me please?

I have an over-active, caffeine-driven mind! LOL, and frequently come-up with ideas.

Often these come to nothing, but some of my ideas might be worth pursuing.
...

Hi,

Can anyone tell me how to calculate the lift caused by rotation of a cylinder in a flow of air?

We could define the cylinder as being 14ft long, 6ft wide and rotating at 10,000rpm
...

Touch sensitive strip:

available from http://infusionsystems.com, or can be made yourself

It is basically a conductive wire over which is placed (but not quite touching) a stip of resistant...

Which would be considered to be the better design over-all? One huge jet engine, or two smaller ones of the same design?

I know jets are not measured in the same way, but to give an analogy with...

Lol, my neighbours hate you enough already, labman!

Ok, I think I have cracked it anyway.. I can use my touch-strip resistor to control an LED, which in turn will affect a Light Dependent...

Hi people!

I need to replace a 200k potentiometer with a touch-sensitive strip, itself being a type of variable resistor.

Unfortunately I have no choice in the matter: the strip has a...

Ok.. cheers Labman, I tried that and it worked, sure enough :)

I am now going to ATTEMPT to build myself a unit with 7 "trigger" inputs, 7 "signal" inputs and 7 outputs.

For each...

Cool, thanks labman... I intend to torture the neighbours with lots of cool noises thanks to you! Heheheh. The music cometh!

Hi there!

I am a musician looking for a specific effect, and not sure how to achieve it.

I would love to take the signal from one microphone, and use it to affect the amplitude of a totally...