With all that the U.S. military is doing by developing laser weapons as an anti-missile defense, I...
Why are tanks (such as scuba diving tanks, for example) always designed in a cylindrical shape? In...
In energy transformations, even on the subatomic level, is some energy always lost as thermal...
How many times a year can you see the eclipse of the moon???
If you could dig a hole from one side of the earth to the other passing though the core, what would...
from Halifax, Nova Scotia
What are the top ten Canadian science discoveries?
HELLO I have A VERY IMPORTANT EMAIL. THIS IS STRICTLY CONFEDENTIAL AND CONCERNS THE ENTIRE HISTORY...
from New Tripoli, PA
What goes on during the change between isometric and isotonic in muscle cells? What does it look...
from Gloucester, UK
My dad was saying that radio waves from TV transmitter stations can burn you severely if you are...
Why do we not have a mouthwash that prevents plaque buildup and, hence, gum disease?
from the Internet
Why are 6volt batteries bigger than 9volts, even though 6 volts are less than 9? And why are AA,...
from Surrey, BC
I have an FM transmitter for my iPod. I find that when my hand is within 5 centimetres proximity to...
I'm wondering if I have a tube filled with argon gas, or some other inert gas, and heat up a...
I want to know how ascorbic acid (vitamin-c) is metabolised in the body of fishes.
from Ocean Pines, MD
A student gave me 4 pairs of different duck and goose feet. How can I preserve them? Do I dry them...
Will sodium or ammonium nitrate react with hydrogen sulfide ? If yes, what are the expected...
from the Internet
In their book on the 'Mammals of Britain and Europe', MacDonald and Barrett state that Red Foxes...
Today a girl in my class asked the question "Can you save yourself from an elevator falling 10...
Is there any reaction which can take place without the exchange of heat with the surroundings or...
from Atlanta, GA
Why are the water levels of the Atlantic and Pacific Oceans different at the Panama Canal if they...
from Summerville, SC
My mom and I are having an argument. She claims that the gene for blonde hair will be wiped out...
Dan Van Brunt
from Thunder Bay
Recently a friend of mine took a picture of what he thought was a grasshopper out at his camp far...
from Staten Island
If we assume that Whitten's new Twistor String Theory is correct, with no real extra demensions,...
from Horam, E. Sussex, UK
ULUru is the aboriginal name for Ayer`s Rock, which was a sacred place for native Australian...
Richard L. Gibbens
My question concerns the latest news about the Cosmological Constant. Has it now been established...
Suppose a truck transporting birds is weighed. Will there be a difference in weight depending on...
What is the chemical formula for air?
from the Internet
Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...
from santa barbara
I have heard somewhere that there is what could be described as a secondary brain in the large...
from Kanata, Ontario
Does caffeine affect boys and girls' blood pressure differently?
Black Holes, formed after the collapse of massive stars, are infinitely dense objects.Why is it...
If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...
from Oak Ridge
I would like to know what causes inverted icicles. I have a photo I've just taken if you need to...
from Batamans Bay, Australia
Can a normal late model petrol car engine be coverted to run on almost pure ethanol? How is this...
from Lac La Biche, Alberta, Canada
What experience and education should I get for a career in paleontology?
from Vancouver, BC
Have you ever hit the top of a glass juice bottle with your fist. It makes a very loud cracking...
from Kenora, ON Canada
Regarding the behaviour of a high-voltage spark. I have a device which generates a pulse of ...
Why is the time of a day measured using 24 hours?
from Lancaster, PA, USA
Since most dehumidifiers work on the principle of condensing on an aluminum coil, is there a...
Against the black plastic on my TV, dust looks white; when I wipe it off with a white tissue, dust...
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