Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
Why does the Original Coke sink into the water, when Diet Coke floats in the water?
from North Bay, Ontario
How can planetary angular momentum be tranferred from one body (Earth's rotation) to another...
from the Internet
What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?
Ernesto C Ignacio
from Malabon City, Philippines
I understand that in some countries it is prohibited to use industrial acetic acid to make table...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...
I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...
If I knew the centre of the universe and began to travel toward it, would I begin to decrease in...
What is the difference between a dolphin and a porpoise?
from Nampa, Alberta,Canada
Why was Mars formed?
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
How can a star become small and dense enough to become a black hole? My understanding is that a...
What is the smallest living thing? What is the largest living thing?
Why has our departmental tarantula, who lives in my office, retreated into a cardboard tube and...
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
Does Henna (a plant based hair dye) contain any aluminum in its substances?
If Humans and Apes are related, why aren't we able to reproduce together?
from Cairo, Egypt
I'm interested about light. I have two questions: What is the difference between scattering and...
from Nepean, Ontario
I am trying to make natural beeswax into an ivory colour. Some people say they use natural dyes. ...
How long would a single molecule of a radioactive element last?
If the half-life of U-235 reduces...
How far is the Sun from Pluto? How long does it take for sunlight to travel to Pluto?
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
from Lincolnshire, UK
I am currently researching EMP for a essay at my college. My essay is looking at possible...
from San Jose
What are vinyl erasers made of?
from Stockleigh Pomeroy
Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
How do we explain the difference between cells that can repair damaged tissue, such as skin cells,...
from New York
Who discovered High Blood Pressure and what year?
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
from the Internet
I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
from New Delhi
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
What is the protocol used to determine where each country is allowed to put its satellites to avoid...
Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...
What chemical additives can be used to increase the octane rating of unleaded gasoline?
I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
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