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Science
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during a change of state, why doesnt the temperature of the substance change?
Does anyone know who first constructed an Orrery of the solar system, and where I could find drawings or blueprints of construction?
Is it safe to cook food in a microwave oven in which a CD has been destroyed to the point of explosion (provided that I clean it, of course)?
Why does a heavy non-deformable object bounce when released from above.
Why does cold butter stick to the knife when buttering hot toast? (Posted in food & drink too. For some reason the Science category didn't appear when I logged on a moment ago.)
what is a data in chart form called?
I want to know what science folk think that 'live art' is, and whether or not its a valid and/or interesting form of cultural expression. Any suggestions and/or comments? Answers will be included in a...
I have heard from another site that poor Patrick has only five weeks to live> can any one verify this please. Thanks for ur time
containing element of atomic number 53 in pentavalent state
Had always assumed that a child born as a result of a parent and their son/daughter would have some sort of genetic deficiency. Is this automatically true, or is it just that the likelihood is...
what is a duplicate experiment with one factor missing
Assuming many of you know that Earth,Sun (& Moon?) all align with the centre of our Milky Way Galaxy Black Hole....Anyone know if that IS a potential catastrophe? And are there other examples of Super...
Just got new lenses and they are great for closer work. I don't need my reading glasses any longer.How do they actually work?
I asked this question a few days ago " What planets and stars were visable around the moon during the lunar eclipes 20/02/08".. perhaps what I should have asked for was a simple map..I am trying to do...
what planets and stars were visable around the moon during the lunar eclipes 20/02/08
Hi I was just wondering what conditions are needed to enable a lake to give a perfect mirror image of the surroundings. Take for example, Lake Louise, in the Rockies. compare:...
just a collection of atoms none of which are " alive " but clumped together to form a human they give me life... how?
I've just been watching a programme about Stephen Hawking. I would really like to know how his voice machine works. How is it possible that he is able to "speak". How does that machine translate his...
How can I make something float, sink, then float again, without touching it
You know the way it takes light from the stars a certain amount of time to reach earth, and the light that we are seeing in the sky from some stars tonight is actually the light that was emitted from...