Which would hit a baseball further - a wooden bat or a aluminum bat? Why??
If body temperature is 98.6 degrees, why does 98.6 degree water feel hot when you place it on your...
from Orland Park
How do chameleons reproduce body parts?
I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...
from Boston, MA, U.S.A.
Where in the universe are we? We seem to know the dimensions of the Universe; so does it have the...
I've got a question about light. As I understand it, light is a particular form of energy--in order...
I am interested in the age-old debate on whether a person gets wetter by walking in the rain or by...
from Middlesbrough, Australia
How many times can you split up an atom?
My husband has dark brown hair, and I have white blonde hair. If Dark hair is supposed to be...
Pierre Charbonneau, Eng.
from Jonquière, Quebec, Canada
Is there actually a strobe light on the International Space Station? I saw in the sky a sequence of...
from the Internet
How do you find the solubility of a substance?
Light cannot escape from a black hole, because of the black hole's mass. If this is true, then...
from the Internet
When does a scientist sign on to try and find a cure or cause of an illness or a disease, meaning...
How does the static universe theory (Gamow, Hoyle...) explain the 3K cosmic background radiation....
from Victoria, Texas
Why are rail road pieces magnetized? Me and my friend noticed particles of steel and iron forming...
What are the temperatures reached at the focused point of a magnifying glass, when using the sun as...
from the Internet
Is it possible to create plasma using two high voltage electrodes , cathode and anode. Would air...
I have been reading Feynman and what he says seems to make sense to me, in particular:photons are...
How are electron sublevels given their assigned letter?
What is the name of the most recent planet discovered, and where is it?
from Ajax, Ontario
If mass can be converted to energy by using E=mc2, how can energy be converted to mass?
from Battle Creek, MI
How long does it take for alcohol to be detected through the skin after your first drink? Is there...
from Oldsmar, florida
Why does a magnetic field in the form of a bar magnet effect the movement of a planaria? Does it...
Why does insulin resistance induce weight gain?
I don't understand because insulin is suposed to...
Sean M. North
from Oregon City
In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...
Galileo said, "in a vacuum, all objects fall at the same speed." Well, I have an idea that might...
from Mill Valley, CA, USA
This came up during a homeschool astronomy lesson: Why does the back of the Moon not have large...
Can you explain the process by which hot materials emit light? Particularly, why is infrared light...
I have done lots of research on auroras and I understand almost every thing about them. The basic...
from Winnipeg, MB
What is the distance from the sun for each of the elements in the periodic table where they would...
A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...
I was wondering how I could test for things like heavy metals. How can I do that without paying for...
from Aurora, Ontario
Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...
What are the most recent solar storms and will they effect the Earth's atmosphere?
Is the interstellar space between the galaxies completely empty? Not even a single star or a nebula?
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
from Scarborough, Ontario
I want to know if we inject cobra's venom into a rattlesnake and rattlesnake venom...
How does mass shifting affect Earth's rotation? Could melting of polar icecaps cause a change in...
An article in the National Geographic magazine describes the Big Bang event as linear in form. Does...
from Bridgewater NS
In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...
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