Daniel from Singapore asks

Is there such thing as an Ice Bullet? A bullet that melts into the target so that there will be...

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Tsiadimos Nick from Athens, Greece asks

If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...

Olivia from Sydney asks

I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...

Courtney asks

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Andrew from Friendly asks

Who was the first scientist to study light?

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Shaun Carney from the Internet asks

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What are neutrinos and positrons?

Sara asks

If the first dimension is length, the second is width, and the third is depth/height, what's the...

Shagufta asks

What are cosmic rays?

Steve T from Kingston, ON asks

Light is refracted because its speed decreases when it enters a denser medium. Why does it speed...

Denise Atkins asks

What causes asteroids to burn up once they enter earth's atmosphere?

Amelia Singh from scarborough asks

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from asks

I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...

Alexis Rolling from Nampa, Alberta,Canada asks

Why was Mars formed?

Dan asks

How many galaxies do we know about and what are their names? When will the first human go to Mars?

Gary Kolling asks

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

Jennifer Easterly from Sydney, NS asks

What happens to a bullet fired straight up into the air? Does gravity eventually slow it down so it...

Zulfikar Yassim asks

A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...

GRACE JAJA from the Internet asks

How long does it take radio waves to reach saturn?

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What are the names and locations in the universe of known black holes?

Chad Seibert from Poseyville, IN asks

How come you can boil an egg in a paper cup over hot coals and the cup does not burn up?

Richard Allan from Calgary asks

I am looking for information on the molecular level electromagnetic resonance frequency of various...

Jeffrey Pope from Toronto asks

How fast does the earth move in its trajectory around the sun? (km-hr) What total distance does...

Kelly from Toronto asks

True/False. If the moon rises when the sun sets, is it a full moon?

Ashley R asks

I can see how water and sound waves move in a wave motion, but how do light waves keep their shape...

Laurel from Belton asks

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Garry Scott from Surrey BC asks

I have been trying to get an answer to: what kind of fire supression system may be on board the...

Arnaldo from montreal asks

Is it possible make the aluminium transparent ?

Ben Carney asks

What is Ultraviolet Colorimetry Analysis? It involves passing UV light through a object and...

Raymond asks

How did the universe begin?

Marc from Liverpool asks

I would like to know if you could tell me a basic expalnation as to what is between particles of...

Kelvin C from Toronto asks

What exactly is Superstring and how does it work?

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Zoë from the Internet asks

Why is it easier to balance on a moving bicycle versus a stopped bicycle?

Randy Y. from Madawaska, Ontario asks

Yesterday my son (nine years old) told me that toilets in Australia flush backwards. I never was...

Christian from Peterborough asks

In the constellation of Pegasus there is an object called "Einstein's Cross". I understand that...

Matthew from Darwin, Australia asks

Why is quantum physics used to try and explain the future predicting behaviour of light as is shown...