from Nottingham, England
Is gravity lumpy? If you were standing in a valley, then on a mountain, would your weight be less...
from Wellington NZ
I saw you answer to the composition of banana peels, but I would really like to know what chemical...
What it the chemical composition of styrofoam? What raw material is the styrofoam made off?
Can you help me with the physics of an amusement park ride called the Magic Carpet? The Magic...
from the Internet
What gives yellow corn and blue corn its color? What is the specific pigment and why?
If one were to drop an item on the surface of the sun, assuming the object could free fall to the...
I was taught at school that the building blocks of all matter were quarks, yet a neutrino is at...
from Carlisle, PA
What is the chemical formula for milk?
Is snow a conductor or an insulator?
Is it possible to make a soap bubble that you can get inside?
How long does it take bubble gum to digest after it is swallowed?
My brother and I have a very important bet and it is about the following: If you remove the...
from Scotch Lake, Cape Breton, N.S.
If nothing can escape from a black hole, how come we are here? The big bang must have...
from Ottawa, Ontario
I have been teaching high school science for 16 years and I am interested in knowing what you feel...
from Sherbrooke, Quebec
What is the expecting salary for a zoologist in Canada?
from the Internet
Why is a magnet classified as dangerous goods when shipping by air?
Will Cyanide be a poison to brewer's yeast used to make beer?
How do "bath bombs" work? Why do they fizz when placed in water?
from Sacramento, CA
I am a firearms Instructor for Law Enforcement Officers. I am teaching a course on training male...
Is it possible to focus gamma rays into one beam and then reflect it off an orbiting mirror onto a...
from Burlington, Ontario
My roommate insists that the first day of Spring falls on March 21st every year, yet on the...
from Salem, VA
I am doing a research project on the strength of different batteries. Is there a cheap way to test...
Are there any planned future deep space explorations planned say in the next 5 or so years. Surely...
Is my counting right?: There are 76 elementary particles in the standard model:
6 leptons + 6...
Yesterday I was watching "Hercules" with my little sister and now I wonder: Have the planets ever...
It truly seems that the world is indeed warming up and I do believe it is being caused by us. ...
Could you explain the idea that gravity could be thought of a depression or well, much like when a...
from Staten Island
If mini black holes would be produced at Cern (LHC) and in ultrahigh energy cosmic rays hitting the...
from the Internet
Why are 6volt batteries bigger than 9volts, even though 6 volts are less than 9? And why are AA,...
from Washougal, WA
I spilled some iodine disinfectant on my vinyl tile floor. As an old chemist, the only chemical I...
Can you please provide background information on catalase and how it affects substrates such as...
I recently removed some mercury from a thermostat and I've been told by my teacher that to touch it...
How does a boat float? What is the scientific principle?
If you had a seamless sealed box which was lined with a 100% reflective material, and somehow...
On average, how much petrol is burned per minute of idling?
from St. John's, NL
Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...
What are the causes of Northern Lights? Do they have any relation to the green-house gasses in the...
from Red Lake
Is there any other part of your body that acts like the funny bone...dense nerve endings, pain etc....
C. Erik Grisham
Is there an exact relationship between Gravitational forces and Centrifugal forces? If so, is...
from Vancouver, Canada
Why is it that when you get the chicken pox when you're little it's not as bad as getting it when...
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