collin from fort walton beach, fl asks

I just recently did an experiment using paper airplanes with different wing types (swept back at...

Dale Patt from Kelowna asks

What exactly is "Bovine Spongiform Encephalopathy" (BSE), or mad cow, what are it's effects, and...

Alex Smith from Owen Sound asks

How can I make a simple flashlight?

Mohammad from Toronto asks

What is 2 with the power of 4? and can u tell me some consideration of microwaves?

Mike Delie from Menomonie asks

I'm doing a senior project on recycling, and I'm curious if it uses more energy to mine and convert...

Edward Lotus from Wawa, Ontario asks

Is it a crime to prevent the birth of a malformed fetus? I strongly feel that we should terminate...

nohjin asks

Where does the energy in freezing water come from? When water freezes, its volume increases so that...

Mohammed Talha Khan asks

Why does water evaporate when it is left out in the open?

Christobell Bison from Sudbury asks

Can Ozone be created? And if so, is it possible to patch up the Earth's protective layer of Ozone...

KENNETH HICKFORD from LONDON ENGLAND asks

(1) What quantities of the earths atmosphere are lost to outer space over a given time? (2) how...

Karla asks

What causes the bends?

Ian Rosner asks

Can you explain the fourth dimension and state simply Einstein's Theory of Relativity?

Jonathan Weiler asks

How are the tiny chips and wires that go into a computer made? They seem so tiny and fragile.

Rick Morrison from Sudbury On asks

What makes certain surfaces such as highway lane markings, reflective strips on clothing and...

Johnny from Mississauga asks

In math class, my teacher has been frequently making references to what I've mentally labelled, as...

Kevin asks

How can I make a plastic object? I want to make a clear or translucent, thin cylinder that is...

Kaycie Nabeta asks

Does the location of chlorophyll a in the thylakoid membrane have anything to do with its...

Lori Lancaster asks

Why does a saturated solution of calcium acetate gel when either ethanol or isopropanol is added to...

Kushagra Bhargava from Jaipur asks

Sir please tell me how the lghtwaves gets their momentum or how they come into motion?

Jeremy from Norwood asks

What component controls how data is written on a hard drive?

Marcos Chimenti from Rio de Janeiro asks

Does air act as an insulator against lightning on flying airplanes? I know the aluminum case is...

Gordon from Oakville, Ontario asks

I was studying for a science exam and stumbled across a chapter that covered energy. The chapter...

Anonymous from the Internet asks

Why does water not sink down through the ocean floor?

Kelvin C from Markham, Ontario, Canada, North America asks

I was wondering, what solids or liquids can trap heat in very well, or at least maintain the...

kristi from hurricane w.v asks

If a person or infant is going to get freckles, at what point or age do they appear?

Kim from the Internet asks

When metal scrapes metal such as two spoons, it makes the edges of my teeth feel numb. Why is that?

Don Roscoe from Vancouver asks

Is there a machine that will measure the amount of oxygen that my lungs use in a breath? Or the...

Raymond J. Sucgang from Manila, Philippines asks

Hi, Could you please clarify: Does an increase in precision mean a decrease in accuracy? Does a...

Curious_Boy from the Internet asks

How do fronts affect temperature? Do pressure centres affect temperature as well? I know that they...

Don Auld from Vancouver asks

In the CANDU nuclear reactor, what initiates the fission process? I understand that the U235 in the...

bree kissner from kingsville asks

why does soda pop fizz when it is poured over ice

Sandra Diaz asks

What wind speed would be enough to blow somebody away?

Ken Cooke asks

I read somewhere there are a total of 9 dimensions. Can you elaborate on what these dimensions are?...

Shauna from the Internet asks

How long can a vehicle typically run without oil or antifreeze before the engine seizes?

Jennifer Easterly from Sydney asks

Does the diameter of a tree have anything to do with the percentage of lichen coverage on the tree?

Davina asks

Can you damage your hands by cracking your knuckles?

Jason from Montreal asks

What's the percentage of male and female meteorologists in Canada?

Nicholas Delecaris asks

What is the oldest material on earth?

Peter Baum asks

How can I measure how much liquid is in an apple, lettuce, a potato, and an orange?

Kathryn H. asks

Are there any conflicting scientific views about the ozone 'hole' over the Antarctic?