Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
Knowing the basic functions of magnets (dipoles, domaines...) I still don't understand WHY two...
How do scientists detect nutrinos when they have no mass and no charge?
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:...
Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
from London Ont.
1. If the earth's population is about 6.2 billion now and it will double lets say every 35 years,...
Every time we go to our local grocery store and get a buggy that does not have a chain hanging from...
from Tehran, Iran
I am interested in Computational NeuroScience, particularly in Colour Vision, Land's Effect, and...
from Charlottetown, Prince Edward Island
Looking for pictures of Tranquility base or any of the other lunar landing spots on the moon taken...
Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
Do you have any information about Canadian scientist Dr. W. A. Smirnoff? He works on the spruce...
I heard that all cells only come from existing cells. If this is true, how did the first cells...
I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...
Would sulfuric acid have a long term effect on an engine and eternal parts of an car if a bottle...
I want to convert a conventional gas engine to run on hydrogen gas. How would I go about this?
Why is vegetable oil viscous?
from the Internet
How much chorline is added to drinking water? Why?
from Catonsville MD
Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...
from the Internet
Will pea seeds germinate slower in a liquid substace other than water? why? I am conducting an...
Andy (Dionne) Setlow
from Madison, Alabama, USA
I have long struggled to understand why the temperature of various wavelengths track so closely...
from Stockleigh Pomeroy
Explain recessive gene disease and what happens to the DNA to cause parents to be carriers.
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
from Ottawa, Canada
Why do your fingernails grow a lot faster than your toenails?
How does the type of liquid effect the way it holds heat?
What term is applied to all processes and physical measurements carried out under conditions of...
I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...
from Vancouver, Canada
Among the techniques that are being used to determine the identity of an unknown person, for...
Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
Can decomposing cedar wood chips or household compost cause environmental problems in surrounding...
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
from Scarborough, Canada
Which part of the body has highest ph value?
from Brisbane, Australia
We are having a debate at work that we hope you can settle. The father of one of my workmates has...
I have been reading and learned that electrons flow from negative to positive in the external...
from the Internet
What makes classifying dogs in breeds different from classifying humans in races?
I thought that...
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
If atoms are so small, how can we split them?
In our breathing system we have two coenzymes NADH and FADH2. Why do we have two coenzymes? And why...
from Honolulu, HI
I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...
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