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...
I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...
from Cherry Hill
I have a question regarding starfish, or seastars, whichever you would like. Is there a species of...
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
Since there are no molecules within the vacuum of space to allow heat transfer, how can the air...
What furnishs H30+ in water solution?
from Northampton England
How do you measure the pH of soil? How do you make up a solution of different pHs? What is the best...
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
from Brisbane, Australia
Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...
from Port Orchard, Washington, USA
Do magnets become less massive over time? It requires energy to hold a magnet on the refigerator...
Why is blood salty?
Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...
The first four facts below suggest that the earth should be getting heavier and heavier - but it...
Has absolute zero (0 K) ever been reached a laboratory?
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
Is it possible for a singularity to form outside a black hole?
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
Who was the first scientist to study light?
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
from Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
How long would a single molecule of a radioactive element last?
If the half-life of U-235 reduces...
Why don't ordinary Silicon diodes emit light like LED's?
How can I tell the difference between Zinc and Aluminium metal?
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
Bruce MacKinnon, CET
from Kitchener, Ont
Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
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