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Science
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what happens to the light when it reaches black clothes
what percent of the air consist of nitrogen gas
How is my car thermometer (gives outside temp)positioned so it is unafected by engine temp or being cooled by rushing air?
I saw this film where a girl has a dress that changes colour. It went from pink (or something similar... can't remember but isn't relevant) to blue. I believe it's fiber-optics but not entirely sure...
Can anyone tell me how the thing they put on your finger to monitor blood oxygen level works? Also, does anyone know what oxygen levels are ok?
Why do people in some countries seem to have a lot more allergies than others. Also is it only a fairly recent thing that people have mant allergies - like to nuts?
What 10 good reasons to sayy to mum u ant got paid this month when u have?
What is going on with this weather. My little weather do- hicky is telling me its 18c out there and having been in the garden I agree with it. My strawberrys have new flowers on them. I have buds on...
Can anybody tell me specifically what an in-gel digest is, when talking about trypsin digest of proteins...
......just so I dont have to throw myself off a cliff!!
Thanks!!
How do you find: x(x^2-3x-4)-(x^2-1)^2/(x^2-1)^2)=0 ?
what time does the moon come out today in Birmingham UK
is living tissue more like water or buffer?
Herman Oberth, one of the founders of astronautics. Where is he burried ? In Feucht ?
Why it is possible for copper to remain on the bed of a lake without reacting with anything?
which properties do all solids, liquids and gases have?
I'm not sure if this is the right category, or if it should be in Phrases & Sayings - or even Quizzes and puzzles - but... We've been having a discussion about noon and midnight and can't agree. It...
How are radars made?
How do the waves off a phone mast effect someones health ? thank you x
does anyone know any good magic tricks ... that are easyto explain and do. thnx
Who is she really?