Why do kids with blonde hair have dark brown hair when they're older? Is it the same process as...
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
Why don't ordinary Silicon diodes emit light like LED's?
from Cherry Hill
I have a question regarding starfish, or seastars, whichever you would like. Is there a species of...
What can I use to block magnetic lines of force? I have been working on an rf transmitter project...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
Russell J. Wells Jr.
from Dearborn Hts., Mich.
Why is the efficiency of most all lasers limited to .1% to 30%? What are the limiting factors? What...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
from Lansing, MI
How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...
from the Internet
What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?
How can I tell the difference between Zinc and Aluminium metal?
I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...
When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...
What happens to a compass when it is held exactly on magnetic north? Does it just spin?
Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...
This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
What Satellite Galaxy is moving fastest toward the Galactic center? What Satellite Galaxy is moving...
Ernesto C Ignacio
from Malabon City, Philippines
I understand that in some countries it is prohibited to use industrial acetic acid to make table...
from New York
If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment...
from Victoria, BC, Canada
My wife asked me, "What does the sun burn and why doesn't it burn out?" I told her about helium...
Bruce MacKinnon, CET
from Kitchener, Ont
Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?
Where on earth is the gas neon found? Is it common? Rare? In what form is it usually found (as a...
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
What is the history of solar ponds and what trends are expected for solar ponds in the future?
What makes the aluminum powder in an Etch-A-Sketch stick to the glass to make an image?
from niagara falls
What is the ingredient used to make "hair gel" stiff and hold?
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
from Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
What is the difference between animal hibernation and a human coma? These states appear similar,...
from the Internet
What makes classifying dogs in breeds different from classifying humans in races?
I thought that...
from Kenora, ON
Collision of galaxie clusters. In recent news reports that I've read it has been reported...
from North Bay, Ontario
How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...
How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...
from London Ont.
1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...
How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
from Nampa, Alberta,Canada
Why was Mars formed?
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