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Liz Morice asks

What makes the aluminum powder in an Etch-A-Sketch stick to the glass to make an image?

Daniel Eyre asks

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

Kelvin from Markham asks

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

Ben from the Internet asks

What exactly are Proton Spin Numbers, and how can you have a non-integer proton spin number?

Ali from Pakistan asks

In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...

Peter Griffin from Beaufort, SC asks

Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...

Duane from the Internet asks

If two magnets are in contact with each other or close proximity to each other either repulsing or...

Pablo Ros asks

I have been charging a leyden jar with an electrophorous (pieplate and cup) and was wondering how...

Wilma de leon from Philippines asks

What is the reaction between a chitin--the polysaccharide intermediate between protein and...

Zambi Donburi from Brisbane, Australia asks

Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...

RR from Toronto asks

How do electric kettles work?

Michelle from San Jose asks

What are vinyl erasers made of?

Matt from Mississauga asks

I have been reading and learned that electrons flow from negative to positive in the external...

Harrison from the Internet asks

Why does decaying food cause gas? I have been trying to find resources but can't find any could you...

Clare Reading from Mesa asks

What is the pH of Diet Pepsi? (or cola,generally) and... Does smoking affect the body's pH? If so,...

erin asks

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

Bruce MacKinnon, CET from Kitchener, Ont asks

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

Meghan asks

Do you have any information about Canadian scientist Dr. W. A. Smirnoff? He works on the spruce...

Willam Lockie asks

What is the protocol used to determine where each country is allowed to put its satellites to avoid...

David Magill from Shippensburg asks

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

Shane Harrison from England asks

I was watching a short documentary on how the Earth first came about. The part that was puzzling me...

John Douglass asks

Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...

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...

Andrew from Friendly asks

Who was the first scientist to study light?

Charles Tramble asks

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

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...

Gary Kolling asks

What term is applied to all processes and physical measurements carried out under conditions of...

Felicia asks

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

Julie from London asks

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

Steve Tran asks

Hi, my name is Steve and I am a junior bodybuilder. Which one gives you the red tan, the normal...

Sonia asks

How could I decrease the boiling point of a substance without changing the pressure of the liquid?

Amanda Gillis from Margaree asks

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

Leah W. from Duluth asks

What is the smallest living thing? What is the largest living thing?

Linda Sanders from Catonsville MD asks

Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...

Adil asks

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

A F Jenks from Nelson, NZ asks

When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...

Kirandeep from Ludhiana asks

Why do proteins form lather on making their solutions?

Nikhil Bhansali from New Delhi asks

Why are the lipids found in the human body mostly even numbered?

Shayne Paterson from Lincolnshire, UK asks

I am currently researching EMP for a essay at my college. My essay is looking at possible...

Thomas Seltsam from Austria asks

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...