just started my a-levels, and doing chemistry. in GCSE we were told that atoms had "rings" of electrons orbiting them, all in perfect circles, with 2 in the first then up to 8 in all the others. now i...
Hi I have heard the cerain explosive forces travel the path of most resistance. I would of assumed they would go by the least resistance so how do they do this?
Why did the twin towers collapse the way they did on that dreadful day? They both collapsed straight down into their own footprint rather like a controlled demolition. The "Pancake" theory doesn't...
I have a Kodak digital camera that has sand in it. When it is turned on, the lens cannot come out because of the sand. So it just turns itself off immediately. Would it be worthwhile to have it...
When my son switches on his T.V. he gets 3 thin coloured lines at the bottom of the screen.These soon disappear and the screen remains blank.Is this almost certainly the tube expiring or could there...
Hi there Can you randomly select 5 out of 200 numbers? i tried to do it in excel using the rand() function, but evry time I want to sort by the random number column the numbers change and I cannot see...
I have had a very strange day.After 33 years as a GP I have finally retired.I feel a bit sentimental but am ready to enjoy my well deserved retirement.Starting with a trip home to India.I was...
Sometimes this really gets to me! If i give someone a good answer to a question (doesnt happen often but anyway) i would a least expect a thank you or a rating, were have ppls manners gone! Thanks IN...