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Adil asks

Has absolute zero (0 K) ever been reached a laboratory?

Mike Ochman from Whitby asks

Where on earth is the gas neon found? Is it common? Rare? In what form is it usually found (as a...

Vasu from London,ON asks

Is it possible for a singularity to form outside a black hole?

Atalinder S. Bindra asks

Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...

Charcoal from the Internet asks

What makes classifying dogs in breeds different from classifying humans in races? I thought that...

patric hedlund asks

According to my family, a comet streaked through the sky the morning one of my uncles was born. His...

Val Mullen asks

Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?

Bertrand Xiao asks

Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?

Andrew from Friendly asks

Who was the first scientist to study light?

aparna from Petaluma asks

Why is blood salty?

Sara asks

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

Angela from Portland asks

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

David Magill from Shippensburg asks

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...

Gary Kolling asks

What Satellite Galaxy is moving fastest toward the Galactic center? What Satellite Galaxy is moving...

Pat asks

If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...

Robert Steinhaus from Castro Valley asks

Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...

H.D. Lail asks

What is the difference between animal hibernation and a human coma? These states appear similar,...

Daniel Eyre asks

How far is Pluto from the sun, and will we ever be able to travel to other planets, besides the...

Francis from Ottawa asks

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

TJ from Thunder Bay asks

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

David Woodard from Lansing, MI asks

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...

Ian from London asks

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

Rehan Ahmed from Rahim yar Khan, Pakistan asks

What is vacuum ? How is it created because if we remove the air then the instrument in which we...

Edward Driedger asks

How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

Charles Tramble asks

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

Josh from New York asks

If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment...

James from Hamilton asks

How do we explain the difference between cells that can repair damaged tissue, such as skin cells,...

Alvina Chung from Sydney asks

The first four facts below suggest that the earth should be getting heavier and heavier - but it...

erin asks

Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?

Ed from Port Orchard, Washington, USA asks

Do magnets become less massive over time? It requires energy to hold a magnet on the refigerator...

Julie from London asks

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

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

Josh from niagara falls asks

What is the ingredient used to make "hair gel" stiff and hold?

Bruce MacKinnon, CET from Kitchener, Ont asks

Is polyol used in the reaction of isocyantes (methylene diioscyante) the same compound as Glycerol?

Furqan from Lahore asks

Why don't ordinary Silicon diodes emit light like LED's?

Kelvin from Markham asks

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

Dr. X from Cornberry asks

I have made a theoretical discovery in my studies. It concerns vibrations of frame of reference in...

Ernie Epp from Kenora, ON asks

Collision of galaxie clusters. In recent news reports that I've read it has been reported...

Fester from Tacoma asks

I'm doing a science project and my topic is about the speed of sound. I was wondering if you...