What chemical additives can be used to increase the octane rating of unleaded gasoline?
Why doesn't oil freeze? Would it freeze at -270 degrees?
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
If Humans and Apes are related, why aren't we able to reproduce together?
I have been reading and learned that electrons flow from negative to positive in the external...
from the Internet
What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
What are giant ice meteorites? Would it be possible for them to hit the earth?
What is the protocol used to determine where each country is allowed to put its satellites to avoid...
Why, specifically, do ferrite magnets gain strength in low temperatures?
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
What are neutrinos and positrons?
Why are most scallops white and some are yellowish brown to almost an orange color?
What is the difference between a dolphin and a porpoise?
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...
John D. Miller
from Belmont, NH
I read that one can get a wider range of colors or shades if one uses the secondary colors:...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
from the Internet
Is it better to keep planaria in pond water or tap water if my experiment deals with feeding them...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
from New Delhi
Gravity can produce motion in a body. Thus, it does work. But, for doing work, energy is needed....
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
from New York
Who discovered High Blood Pressure and what year?
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
How old do turtles have to be to have turtle eggs? And do 2 turtles have to have different sex to...
A F Jenks
from Nelson, NZ
When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...
from Hamilton, Canada
I have heard that some one discovered that the atom is actually made up of sound waves. Is there...
from Atlanta, GA
I want to make sculptures out of old vinyl records by melting them down and pouring them into a...
from Houston B.C. Canada
Can someone tell me what Canadian frogs and toads are vocal? We have several types here, but they...
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...
How does the type of liquid effect the way it holds heat?
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
from Athens, Greece
If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
How do electric kettles work?
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