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David Howard from UK asks

Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...

Ed Kasica from Oldsmar, florida asks

Why does a magnetic field in the form of a bar magnet effect the movement of a planaria? Does it...

Juanita Higgins asks

How do I generate heat from a battery?

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?

dina from Cairo, Egypt asks

I'm interested about light. I have two questions: What is the difference between scattering and...

S.Leeberman asks

How do I estimate the mass of an object when I know its volume and nothing more? For example, how...

D Selman asks

Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?

E.H. from AOL asks

I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...

Thomas from Middlesbrough, Australia asks

How many times can you split up an atom?

Marin from Split, Croatia asks

What happens when electrons pass through a magnetic field at a velocity near lightspeed?

Sara asks

What happens to a compass when it is held exactly on magnetic north? Does it just spin?

Chris from J-town asks

A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...

Dan Hurtado from Tallahassee asks

Can you explain the process by which hot materials emit light? Particularly, why is infrared light...

Ian from London asks

How can I tell the difference between Zinc and Aluminium metal?

Angela from Portland asks

This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...

Ashley from Langenburg, Saskatchewan asks

Does population density affect fish growth rates? I'm trying to determine if population density...

Kiran Gupta from Singapore asks

Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...

Anonymous from Queens, NY asks

I would like to know why the bananas has that semi circular shape. I wonder if it is because the...

Phil asks

What are the chemical properties of phosphorus?

Arnold J. Wallmann asks

What causes albino-ism in people? Which chromosome is the albino gene on?

Charles Tramble asks

What can I use to block magnetic lines of force? I have been working on an rf transmitter project...

Jayde from Surrey asks

What is the field of cryogenics? What kind of occupation is available in cryogenics?

Ruben from Miami asks

I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...

Francis from Ottawa asks

When a ball is rotated at the end of a string in a horizontal circle (parallel to the ground) what...

Edward Lotus from Mississauga, Ontario. asks

Why is it that we always can draw nice electric field lines and magnetic field lines relative to...

Dave from Sutton asks

Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...

Reggie Lykins from Cincinnati asks

I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...

Luke asks

A question about tri-coil atomic fusion/fision... If one used positive and negative ionized plasma,...

Julie from London asks

Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...

Felicia asks

Is it true that if you're pegnant and you get sick, there is a chance your baby will get sick?

Ian Gordon from Exeter, Devon, UK asks

Since puberty I have always been tall and thin with very long legs. I was a fair player of rugby...

TJ from Thunder Bay asks

Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...

Jonathan Weiler asks

If atoms are so small, how can we split them?

Danielle Panchuk from Calgary asks

Why after drinking massive amounts of alcohol, which is a liquid, do you wake up dehydrated the...

Russell Westhaver from Vancouver asks

I've got a question about light. As I understand it, light is a particular form of energy--in order...

Gina from Boston, Massachusetts asks

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...

Sarah Spratt asks

What is the most critical environmental problem in Canada today?

Marke Jones from Aurora, Ontario asks

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...

John D. Miller from Belmont, NH asks

I read that one can get a wider range of colors or shades if one uses the secondary colors:...

Jessica Muller from Hamilton, Canada asks

I have heard that some one discovered that the atom is actually made up of sound waves. Is there...