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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,...

RR from Toronto asks

How do electric kettles work?

Teresa Golebiewski asks

Why doesn't oil freeze? Would it freeze at -270 degrees?

Jonathan Weiler asks

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

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...

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...

Pablo Ros asks

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

Meghan asks

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

Steve Rock asks

I'd like to model magnetic fields on my computer, but I can't find any software. Can you point me...

KIm from Waldorf asks

What furnishs H30+ in water solution?

Francis from Ottawa asks

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

Adil asks

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

Nabita from Montreal asks

I just wanted to know if iron levels in a plant such as siverbeet can be increased by adding iron...

Bruce MacKinnon, CET from Kitchener, Ont asks

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

Vanessa from Calgary asks

What is the history of solar ponds and what trends are expected for solar ponds in the future?

Ben from the Internet asks

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

Angela from Portland asks

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

Wilma de leon from Philippines asks

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

Jennifer Joseph from Dix Hills, NY asks

Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...

Daniel Eyre asks

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

Paul Hosking from Brisbane, Australia asks

We are having a debate at work that we hope you can settle. The father of one of my workmates has...

Ali from Pakistan asks

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

aparna from Petaluma asks

Why is blood salty?

Sarah from Northampton England asks

How do you measure the pH of soil? How do you make up a solution of different pHs? What is the best...

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...

Shane Harrison from England asks

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

Matt from Mississauga asks

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

Shayne Paterson from Lincolnshire, UK asks

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

Sarah Bosquet from Issoudun asks

I'm writing a science-fiction novel and need information about black holes, gravitation and...

Elise asks

I have done lots of research on auroras and I understand almost every thing about them. The basic...

Ernesto C Ignacio from Malabon City, Philippines asks

I understand that in some countries it is prohibited to use industrial acetic acid to make table...

David Magill from Shippensburg asks

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

Thomas Seltsam from Austria asks

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

Danielle Panchuk from Calgary asks

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

Kay asks

How can a star become small and dense enough to become a black hole? My understanding is that a...

Daniel Wong from Singapore asks

How do miners mine for Uranium?

dave hack from brisbane asks

Nitrous oxide when used in motorsport is often classed as "forced induction" although is...

Liz Morice asks

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

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...

Dr. X from Cornberry asks

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