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Mischa from Toronto asks

Black Holes, formed after the collapse of massive stars, are infinitely dense objects.Why is it...

H. Gaspar from Toronto asks

I am considering neuroscience as my ideal career. What type of atmosphere would a neuroscientist...

Robin from Brighton asks

How is it that some people can 'float' while others seem unable to? In the sea I can quite happily...

Gary from Birmingham asks

Why is the time of a day measured using 24 hours?

Daniel from SIngapore asks

Is it possible to focus gamma rays into one beam and then reflect it off an orbiting mirror onto a...

Ernie Epp from Kenora, ON Canada asks

Regarding the behaviour of a high-voltage spark. I have a device which generates a pulse of ...

Gillian Seale asks

What was Dennis Gabor's theory on holography and how did he came up it?

Lee Riffee asks

With all that the U.S. military is doing by developing laser weapons as an anti-missile defense, I...

Cheah Bok Eng from Penang, Malaysia asks

May I know what chemicals can undergo esterization by absorbing sunlight energy at 33 degree...

Jon from Ottawa asks

Who invented the nephoscope? When was it invented?

Swaminathan N from Chennai asks

Why do aqueous ionic solutions have less thermal conductivity than pure water?

Kris from Vancouver asks

I recently removed some mercury from a thermostat and I've been told by my teacher that to touch it...

M.Shirley from Horam, E. Sussex, UK asks

ULUru is the aboriginal name for Ayer`s Rock, which was a sacred place for native Australian...

Barbara Berghoff from Illinois/usa asks

I need to know what dissipates into the air during a salt analysis titration. I do this at work...

Stephen Leece from London asks

Are there any solutions that change their pH level from neutral to 8.5 or higher due to the...

Matt from the Internet asks

What is the chemical formula for air?

Avishan from the Internet asks

What gives yellow corn and blue corn its color? What is the specific pigment and why?

kevin van sprang from powell river b.c. asks

Could it be possible that gamma ray bursts are the end result of a black holes energy bursting...

darren liew from Singapore asks

How many times a year can you see the eclipse of the moon???

R Clark from Prince George asks

Can any force be enacted upon a perpendicular slice of air molecules to attenuate the propagation...

Shane C. asks

Could you explain the idea that gravity could be thought of a depression or well, much like when a...

Amy B from the Internet asks

It is snowing today and the wind is blowing from the east but the snow is collecting on the west...

Adam B. from Miami asks

Ok... this has been bugging my mind. Is it possible to generate heat with your mind to set things...

Susana from Germany asks

I would like to know why Russian rocket engines use 4 nozzles and American ones just one. What...

Richard L. Gibbens from Colorado asks

My question concerns the latest news about the Cosmological Constant. Has it now been established...

Carolin asks

Please explain an experiment that can only be done on the Spring Equinox March 21st. You can make...

Mary E. Tucher asks

Science and religion are two different ways of explaining how we exist. How can scientists have...

Tony Aben from Kamloops, BC asks

Is there a simple chart that indicates the amount of carbohydrates in various foods? If so where...

Greg Kutz from Goolwa, South Australia asks

At what depth into the soil do temperatures remain constant and what would that temperature be?

Kirsty from Cumbria asks

Why do both sexes of dabbling ducks have brightly coloured bills?

M Anderson asks

If you could dig a hole from one side of the earth to the other passing though the core, what would...

Beverly Ng from HK asks

Why does light degrade vitamin C? (in juice or liquid form)

Jessica Hawthorn from Lac La Biche, Alberta, Canada asks

What experience and education should I get for a career in paleontology?

Pankhuri Kalra from Delhi asks

Is there any reaction which can take place without the exchange of heat with the surroundings or...

Nicole from Des Moines asks

Does the Earth's core rotate with the crust??

Bryn Williams from Vancouver asks

If the telomeres of a cloned organism are smaller than a non-cloned organism, and therefore may...

Ed from Kyiv asks

Against the black plastic on my TV, dust looks white; when I wipe it off with a white tissue, dust...

Dennis from the Internet asks

Could you explain how to complete and find the genotypes and phenotypes of sexlinked, multiple...

Angelo from Mississauga asks

Why is styrofoam a good insulator?

Muhammad Zaid Khan from Karachi asks

How can the mass of earth be calculated and what are Newton's rings?