Is calcium carbonate (ground limestone) biodegradable? Will it break down during composting? I want...
I've got a question about light. As I understand it, light is a particular form of energy--in order...
Can you explain the process by which hot materials emit light? Particularly, why is infrared light...
My whole family plays hockey. We have frequently discussed how long of a shift should be and with...
Pierre Charbonneau, Eng.
from Jonquière, Quebec, Canada
Is there actually a strobe light on the International Space Station? I saw in the sky a sequence of...
What are the most recent solar storms and will they effect the Earth's atmosphere?
from the Internet
How do you find the solubility of a substance?
What are the temperatures reached at the focused point of a magnifying glass, when using the sun as...
A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...
This is an archery question. Does an arrow fly faster in the hot or cold? or... Does the hot or...
Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...
from Ajax, Ontario
If mass can be converted to energy by using E=mc2, how can energy be converted to mass?
Sean M. North
from Oregon City
In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...
from Bridgewater NS
In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...
Is there any magnetic shielding material which is not itself attracted by a magnet?
NASA has recently detected the presence of ice on the moon. Since the moon is surrounded by void...
Is it true that bats don't pass their food through but vomit it up while they are hanging upside...
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
from Boston, Massachusetts
I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...
How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....
I was wondering how I could test for things like heavy metals. How can I do that without paying for...
from Dubai, United Arab Emirates
1.) Do the intesity of the sun's rays increase the current in a solar cell?
2.) Does increased...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
from the Internet
When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...
What is the field of cryogenics? What kind of occupation is available in cryogenics?
I have done lots of research on auroras and I understand almost every thing about them. The basic...
Which would hit a baseball further - a wooden bat or a aluminum bat? Why??
What furnishs H30+ in water solution?
from Mill Valley, CA, USA
This came up during a homeschool astronomy lesson: Why does the back of the Moon not have large...
How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...
Do bends in a wire affect its electrical resistance ?
from Aurora, Ontario
Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...
Is the interstellar space between the galaxies completely empty? Not even a single star or a nebula?
from Bergen, Norway
I came across a "water powered clock", and it can supposedly generate power from water alone. My...
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
I have been doing an experiment in school and I don't understand why the following happens. When we...
from Maple Ridge, BC
When you get a lighter and get a piece of metal and you turn on the lighter and put it over the...
How do I generate heat from a battery?
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
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