Rev. Green Member Profile in The AnswerBank

Speed of light

Please can someone explain the Michelson & Morley method for measuring the speed of light.

negative number help.

5 - 6= -1 -2 + 4= 2 That I understand. What I dont understand is how 3 - - 2 = 5 How do you get to 5? Looking on maths sites it says that two negatives equal a positive but I dont understand the...

newbie

Blood pressure.........is mine abnormal?

According to my home monitor my blood pressure reads 137/175. Is this right or should I be concerned and what exactly do the numbers mean? Thanks

wizard66

ok then, I'm not the smartest choclate in the box when it comes to science but exactly how does (the theory of) gravity work? From my (limited) understanding, if the world were to stop spinnining, we...

sqad617

Blood on clothes

How does one get dry blood off clothes?

mindydrennan

science

The force of ? causes water to move?, can pull huge masses of ? slowly down ? ?, and causes ? carried by ? to fall to earth.

Garmard

Quantum jump drive

I was reading a peice on exotic methods of space travel and came across a theory that space vehicles in the future will be able to travel hundreds of light years in...

SARAHBASH

still stuck

thankyou to everyone that helped am still stuck on 3 more if anyone else can help they are.... 1 msdd 13 af 20 hiot

colinha

Size of the actual universe??

The size of the observable universe is bounded by the distance that light has had time to travel to us. An observer in the Andromeda Galaxy would have a slightly different observable universe to ours...

Rev. Green

Is there a shareware programming language?

Do you know of a cheap programming language, for a computer running Windows XP, which has graphics and can handle mouse and keyboard? Liberty BASIC is almost suitable, but I can't see how to handle...

flowerpower6

what to do about shares...

i have inherited quite a few shares.. should i sell them at this moment in time or keep a hold of them. any advice in this unknowing financial time. i know shares fluctuate all the time, but i dont...

colinha

Gravitons

I am told that the force of gravity is caused by the warping of space/time by mass. This seems to be fundamentally different from the other 3 forces which are due to exchange of particles such as...

xRosiex

Big Bang Experiment, HELP

just wondering if theres any one that can explain the experiment in simple terms for me. i no they are looking for the higs bosan, thats about it. im worying about all the hype of people saying the...

Rev. Green

graviton spin

I have always assumed the spin of the graviton to be 2, but Peter Rowlands, in his book Zero to Infinity, makes an excellent case for the graviton to have spin 1. What is the argument for spin 2?

nagz

Space

If light does not have mass, by what force is it pulled into a blackhole

pgm3011

letters and numbers

100 d c = b p 13 u for s 10 p b 13 a p 13 t in a any help many thanks

mandimoo

rounding of decimals

when you are rouding up / down decimals (for currency calculations), are we supposed to round "0.5" up or down

ytrewq

decimals year 8 homework

how do I add or take away decimals if the demoninator is completely different. The sum by son has for homework is 34/48 +23/25 + 14/81. We can't find a common demominator and have been told not to...

claymore

middle earth?

how do I prove to someone that the earth is not the exact center of the universe? His argument is that the universe is the same everywhere we look and we don`t see further in one direction than...

TheUnderTow

Algebra problem

I'm aware this isn't technically science but I'm hoping there is someone who can help me reading this. I have the below formula where I know a, c, d and e but need to find b. Can anyone advise? a = b...

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