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...
Does fabric softener affect drying time of towels?
When rockets were sent to Jupiter, did scientists get any readings?
Does Jupiter have a solid...
from Dubai, United Arab Emirates
1.) Do the intesity of the sun's rays increase the current in a solar cell?
2.) Does increased...
from the Internet
How do you find the solubility of a substance?
How did neutrinos get to be objects of such low energy? Neutrinos are supposed to have been...
What are the temperatures reached at the focused point of a magnifying glass, when using the sun as...
from Bridgewater NS
In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...
I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...
What furnishs H30+ in water solution?
Is the interstellar space between the galaxies completely empty? Not even a single star or a nebula?
Sean M. North
from Oregon City
In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...
Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
from Ajax, Ontario
If mass can be converted to energy by using E=mc2, how can energy be converted to mass?
How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....
from Boston, Massachusetts
I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...
I have done lots of research on auroras and I understand almost every thing about them. The basic...
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...
How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...
from Aurora, Ontario
Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...
What is the field of cryogenics? What kind of occupation is available in cryogenics?
Is it possible for a singularity to form outside a black hole?
from Dallas, Texas
If you shine a light through a glass of water, the light slows down. What makes it speed up again...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
Do bends in a wire affect its electrical resistance ?
Which would hit a baseball further - a wooden bat or a aluminum bat? Why??
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
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...
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 pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
I was wondering how I could test for things like heavy metals. How can I do that without paying for...
Can you explain where the "extra" ATP comes from in photosynthesis? As I understand it:
I have been reading Feynman and what he says seems to make sense to me, in particular:photons are...
Galileo said, "in a vacuum, all objects fall at the same speed." Well, I have an idea that might...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
How do I generate heat from a battery?
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