Roy Donaldson from Toronto asks

Is it true that in total a bee's venom is acidic while a wasp's venom is basic? If so, would it...

Wesley Lawson from the Internet asks

What is the amount of force in foot pounds behind the average human's punch?

v atech from virginia asks

What is the efficiency of a typical jet engine? i.e. how much of the fuel is actually used making...

Matt Hiemenz from Manitoba asks

Electricity. It powers almost all household appliances as well as the complex electronics we rely...

Michael Doggett from Kingston, ONTARIO, CANADA asks

We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...

Pete Peterson asks

Why does a balloon travelling inside a car seem to violate Newton's laws? Imagine a toy helium...

Damanjit Singh from New Delhi, India asks

What will happen if we use petrol in a diesel engine or vice versa?

Jim from Philadelphia asks

Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...

Gloria from Toronto asks

On average, how much petrol is burned per minute of idling?

Jasmin from Brighton asks

Why are tanks (such as scuba diving tanks, for example) always designed in a cylindrical shape? In...

Sean Polreis from Saskatoon asks

Suppose a truck transporting birds is weighed. Will there be a difference in weight depending on...

Ernie Epp from Kenora, ON Canada asks

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

Travis Cheeseman from Bloomington, IND. asks

Ok, this is my project: I have put roughly two cups of rice in a sock and threw it in the microwave...

Joanna from Melbourne, Australia asks

There are 2 routes I could take between home and work and they each take about the same amount of...

Mark Bodnar from Abilene, Texas, U.S.A. asks

Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....

Richard Hart from Victoria, BC, Canada asks

I am interested in metal fatigue in bicycle frames. Does the steel or aluminum in a bike frame get...

Leo Molenaar asks

Is the up and down movement of a piston in a combustion engine a waste of impulse energy? The...

Robert asks

What is more efficient: to push or pull a car (front wheel vs. rear wheel drive)?

Adam Moore from Denver, Colorado asks

I am in the 6th grade in Denver, Colorado. I made a machine out of 2 by 4s that will kick a ball. ...

Richard from Halifax, N.S. asks

How do you calculate water flow rate (volume/sec) based on water pressure and hole or pipe size?...

Andrew Hope from Gloucester asks

My son, James, and I cannot agree about the recoil of a gun. I believe that if a gun is fixed in a...

Azadeh from Tehran asks

If we heat a square metal page with a circle hole in the center of it, what will happen to both the...

Ken from Vancouver asks

If one could increase the flow of air into a jet engine,would this increase the efficiency of the...

Eduardo from Pembroke Pines asks

Is it true that gas particles at higher altitudes are farther away from each other than at lower...

Linda O\'Neill from Dartmouth asks

How can you define the pressure of 5 g. on a person? This would be done with the fingers. I am...

Tony Young from Santiago, Dominican Republic asks

I have a problem with moisture in my apartment. I live in a Caribbean country and am not able to...

mark irvine from sacramento asks

If you have a square 1 pound block with a front flat surface strike a ball, would it be the same as...

Morten Aasbak from Bergen, Norway asks

I came across a "water powered clock", and it can supposedly generate power from water alone. My...

Harry Pritchard asks

How can I find out whether it takes more effort (work by pump) to increase the air pressure in a...

Paul from Romania asks

What i don't understand is why the intensity of the electric field is 0 inside a charged (empty on...

David Howard from UK asks

Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...

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...

dave hack from brisbane asks

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

Jeff from Calgary asks

I'm having a debate with a friend about the supposed benefits of filling your tires with Nitrogen...

Justin H from Vancouver asks

If fresh water is pressurized to 1 MPa or greater, frozen solid at this pressure, then completely...

Eman from Edmonton asks

Is there any `accessible` natural or man made material that contracts when electricity is...

Gerry Nazareno from Philippines asks

Who is the scientist to be attributed for equation or formula used in calculating engine exhaust...

Jason Liu from Fremont asks

I am a high school student and I have a question regarding piezoelectricity. I would like to know...

Brent Secondiak from Medicine Hat asks

I am attempting to determine if the spark given off from a TASER, would be enough to light a candle...

Mary from the Internet asks

Scientists, if you had to calculate armor penetration for medieval armors, what formula would...