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How is stokes law related to parachutes?

And where can I find some simple information on this?Cheers

global warming

i know we've got a few American regulars on AB, and i'm sure that theres plenty of hits from the states, so "Question" how many Americans believe that global warming is a serious issue?Bush certainly...

Begram

eat hot soup

Sorry for repeating, but this is really groovy: http://www.theanswerbank.co.uk/Science/Question210215.html The soup is delicious, and you have a mind numbing science mystery half way through! What is...

Janwise582

e=mc�

What is the actual value of E=MC??

captainkirky

weird dreams when hot

hi is it just me? but i tend to have weird dreams when i am too hot in bed i.e. got the winter quilt on and its a mild nite. i tend to wake up after a bizzare sleep with my body with beads of sweat on...

jannyneve

blood

what is the rarest blood group in the uk?thanks.

asto5

cuco3

hey, just wondered if CuCO3 oxidises in air. if so how quickly would it do so. cheers in advance p.s is it... just wondered or just wandered??

koamu05

water

Which is heaviest cold water or hot water? why should one be heavier than the other can anyone explain please?

potterfan3

mmmmmmmmmmm

Whats would happen if I recacted Francium with copper oxide

Segilla

Scientific sceptics

BBC TV ran a series of films probably in the 1980s, including one scientist who called into question what he was seeing through his electron microsope. The cells he examined were all on the same plane...

aka pixi

Static Shocks

Are static shocks harmful? I work on a plastic moulding machine and when the product comes off I catch and stack it. I get shocks everytime I touch the product, this means that if 3 units are coming...

WooWoo

Post PhD options?

Right, here's a question for all you scientists out there.... I'm currently half-way through a PhD in a geneticsy/molecular biology type field. I'm working in an awesome, pretty high profile lab and...

blueyedevil

Scar Tissue

Why is scar tissue raised? In my mind it would be more understandable if a scar was a dent as it was filling it in, but for it to be raised means the body put to much 'filling' wouldn't it?

aka estie

exploding tin can

OK, can someone please explain to me what happened tonight: Basically, I was trying to open a tin of tomato puree using a tin opener. As soon as I pierced the top with the tin opener, the thing...

Madgirl2

Erythromycin and deafness

Does anyone know why a side effect of taking erythromycin is deafness? I have had a prolonged course of this antibiotic (which finished 36 hours ago) and have been plagued by deafness throughout the...

WEASY

Mountains and their POINT?

Why do mountains always grow into a point?

tlukearcher

stats

What is the difference between a confidnce interval and a standard error

doomey!

Am I an Oddity? I sink!

Whenever I go swimming when instructed to float, I sink. This has always been the case much to the frustaration and bamboozlement of swimming coaches. Aparantly floating is a natural ability for...

aka pixi

Earth stopping spinning

I know this probably is an impossiblility but what would happen if the Earth slowly stopped spinning until it stopped (say over a 3 day period) Would we all float off into space? How would it happen?...

elgroucho

Acid alkali dilution

What happens to the pH of an acid if you dilute it? What happens to the pH of an alkali if you dilute it?

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