from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
from New York
Who discovered High Blood Pressure and what year?
from Bettendorf, Iowa
I am doing a science project on how light affects plant growth. If you could answer my 10...
Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...
I have been reading and learned that electrons flow from negative to positive in the external...
How does shaking seeds in a jar lined with sandpaper affect the way they germinate? We shook lima...
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:...
I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...
How do scientists detect nutrinos when they have no mass and no charge?
What is the polar nature of water?
from Mississauga,On. Canada
What is the chemical composition of soya margarine?
Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
How does the type of liquid effect the way it holds heat?
What are giant ice meteorites? Would it be possible for them to hit the earth?
How do electric kettles work?
What is the protocol used to determine where each country is allowed to put its satellites to avoid...
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 Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...
from Hamilton, Canada
I have heard that some one discovered that the atom is actually made up of sound waves. Is there...
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
from Queens, NY
I would like to know why the bananas has that semi circular shape. I wonder if it is because the...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
What is happening when someone plays a song on wine glasses? They are filled with different...
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
What term is applied to all processes and physical measurements carried out under conditions of...
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
from the Internet
What is the scientific explanation of why a magnet's magnetism would decrease or increase when its...
Why is vegetable oil viscous?
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
Is it possible make the aluminium transparent ?
from Atlanta, GA
I want to make sculptures out of old vinyl records by melting them down and pouring them into a...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
from the Internet
Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...
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