from Athens, Greece
I know that superconducting wires present their zero-resistance properties at low temperature...
How are minerals used in the production of Canadian coins?
I am currently doing research on the e-bow, a guitar effect that calls upon an infinite feedback...
When making a mixture of solvents up to a particular volume eg. 2L of 25% methanol 75% DMSO. My...
from Carleton Place, Ontario, Canada
Why do carrots spark when cooked in a microwave? Peel 1/2 a carrot, dice it into small pieces, put...
I gave a child up for adoption in 1966. I have found someone who might be my child. She has type...
What is the composition of an American nickel? Also, do you think that a nickel has a higher...
How can I create a real light saber? It does not have to be completely like the ones in the movie...
from Hong Kong
How can I build a water purifier?
Gary A. Ballan
I know that there has been success with crossbreeding horses with zebras, dogs with wolves and...
from Seattle WA USA
I have an interest in algebraic manipulation of known physical/chemical laws & principles. I am...
What does the future of Psychology hold? New therapies for brain disorders? Computer...
How does light therapy work for people with SAD (Seasonal Affective Disorder)?
What education do you need to become an embryologist?
from Bangalore (India)
What is meant by booting in a computer?
Is the up and down movement of a piston in a combustion engine a waste of impulse energy? The...
from the Internet
Where did the constant pi (3.14159...) come from? Who discovered it and when?
from Borås, Sweden
If pepsin digests proteins in the stomach, how do orally taken vaccines work?
What is the purpose of polyvinylpyrrolidone in the making of hard capsule gelatin. What is the...
from Denver, Colorado
I am in the 6th grade in Denver, Colorado. I made a machine out of 2 by 4s that will kick a ball. ...
How can you detect a chemical in the human body even after it has passed through? For example,...
from the Internet
Why has Aluminium only recently been extracted from its ore?
Why don't hurricanes hit the country of Panama? Is there any data predicting the probability of...
I am considering an idea to measure the effects of ozone depletion. I intend to use an ozone making...
from Kitchener, Ontario, Canada
My question may be hard to answer. I have wanted to be a scientist since I knew what science was,...
Which metal conducts heat the fastest?
Sir please tell me how the lghtwaves gets their momentum or how they come into motion?
I am very interested in getting into the field of Psychology and would appreciate basic and...
from El Dorado, Arkansas
I was wanting to make my own acid stain for concrete. I have muriatic acid and heavy metals...
What catalysts are needed to break down plastic containers, such as yogurt cups?
In my recent science project, I tried discharging batterys in the freezer, fridge and room. The...
Why are clouds flat on the bottom? Is it because the air is somehow denser on the level below the...
How do cells know when to stop growing (dividing)? How does cancer change the cell so that it no...
How were the organelles in the cell named?
from Essex, England
What will happen when individual IC (integrated circuit) components reach the size of atoms and...
How many electrons, protons, and neutrons make up a nickel atom?
Why is propylene glycol not an alcohol? Same for glycerol. Why don't they evaporate and smell like...
What is more efficient: to push or pull a car (front wheel vs. rear wheel drive)?
from East Mapleton
If I have two 6 volt lead acid Batteries with a 400 ampere hour charge in each one. And I wire the...
1)How does prenatal exposure to sex hormones influence behavior later in life?
2)What are gender...
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