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Science
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Just out of interest, i wanted to know what people thought about the world ending in 2012. People say that Lots of natural disasters will happen at once or that at the end of the mayan calender the...
if an eggtimer was sat on a set of scales with all the sand in the bottom, and it was turn around so the sand started flowing, would it weigh more, less or same than when it was originally sat there ?
How would the value for KC change with temperature?! In terms of endothermic and exothermic reactions?! I understand that in a exothermic reaction, an increase in temperature isn't liked and as a...
How long after the beginning of the universe would it have taken for the first signs of life to appear? What I mean is when was it stable enough for life to begin? If you subscribe to the belief that...
This is a question from my mom, why does it always rain at 3 o clock? Thats wen it does rain. So wen it does rain y does it always rain at 3 o clock??? write bk c xx
How does the direction of a friction force compare with the velocity of a sliding object?
Well, why do they? Some appear to twinkle yets some dont (are these non-twinkling ones planets?). many thanks warpig
Does anyone know where I can buy a second hand binocular microscope? Thanks, Cal
Please can one of you scientists help? What is a poinsonous, colourless crystalline solid? A _ R _ L _ M _ D _? (10) I assume it is mide at the end? Many thanks
Brian Greene describes an experiment (The Fabric of the Cosmos p194) in which a photon beam passes through a beam-splitter. Each beam then passes through a down-converter (which emits two half-energy...
Why, from an evolutionary standpoint, are there only two sexes? My thoughts regarding the question ? Sexual reproduction is used to spread successful genes throughout the gene pool, so the question is...
In terms of 'sima-polarised' bonds or not.... why does haloalkanes undergo elimination easily at low conditions?
I have been in automotive repair for 30 years, have taught electronics and automotive for years on the college level and have degrees in Digital electronics and also Computer service technology. I...
Two aircraft have come down lately, one here and the other in the states with the same problem. Something to do with the iceing up of the fuel system comeing in to land, both these aircraft where...
If something is not in motion, can it still possess mechanical energy?
what is the actual difference between an ocean and a sea?
What letter is missing from this geographical sequence? B J Q X Y Z
what happens to an amorphous solid as you increase its temperature?
Is there a vaccination for malaria that gives lifelong protection? P x
Can I use excel to calculate the line and if so, how? What else do I need to visualise it if so?
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