Is it true that in total a bee's venom is acidic while a wasp's venom is basic? If so, would it...
from the Internet
What is the amount of force in foot pounds behind the average human's punch?
What is the efficiency of a typical jet engine? i.e. how much of the fuel is actually used making...
from Kingston, ONTARIO, CANADA
We have an older pop machine at work with canned soft drinks. Sometimes, when a pop is opened that...
Electricity. It powers almost all household appliances as well as the complex electronics we rely...
Why does a balloon travelling inside a car seem to violate Newton's laws? Imagine a toy helium...
from New Delhi, India
What will happen if we use petrol in a diesel engine or vice versa?
Why doesn't a person lose 9 lb when they consume 1 litre of ice water? If a calorie is the energy...
On average, how much petrol is burned per minute of idling?
Why are tanks (such as scuba diving tanks, for example) always designed in a cylindrical shape? In...
Suppose a truck transporting birds is weighed. Will there be a difference in weight depending on...
from Kenora, ON Canada
Regarding the behaviour of a high-voltage spark. I have a device which generates a pulse of ...
from Melbourne, Australia
There are 2 routes I could take between home and work and they each take about the same amount of...
from Abilene, Texas, U.S.A.
Can you help me find a simple definition of "inertial coupling" (if there is a simple definition)....
from Bloomington, IND.
Ok, this is my project: I have put roughly two cups of rice in a sock and threw it in the microwave...
Is the up and down movement of a piston in a combustion engine a waste of impulse energy? The...
from Victoria, BC, Canada
I am interested in metal fatigue in bicycle frames. Does the steel or aluminum in a bike frame get...
from Denver, Colorado
I am in the 6th grade in Denver, Colorado. I made a machine out of 2 by 4s that will kick a ball. ...
from Halifax, N.S.
How do you calculate water flow rate (volume/sec) based on water pressure and hole or pipe size?...
What is more efficient: to push or pull a car (front wheel vs. rear wheel drive)?
from Pembroke Pines
Is it true that gas particles at higher altitudes are farther away from each other than at lower...
If we heat a square metal page with a circle hole in the center of it, what will happen to both the...
If one could increase the flow of air into a jet engine,would this increase the efficiency of the...
How can you define the pressure of 5 g. on a person? This would be done with the fingers. I am...
My son, James, and I cannot agree about the recoil of a gun. I believe that if a gun is fixed in a...
from Santiago, Dominican Republic
I have a problem with moisture in my apartment. I live in a Caribbean country and am not able to...
If you have a square 1 pound block with a front flat surface strike a ball, would it be the same as...
How can I find out whether it takes more effort (work by pump) to increase the air pressure in a...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
from Bergen, Norway
I came across a "water powered clock", and it can supposedly generate power from water alone. My...
What i don't understand is why the intensity of the electric field is 0 inside a charged (empty on...
from Brisbane, Australia
We are having a debate at work that we hope you can settle. The father of one of my workmates has...
Nitrous oxide when used in motorsport is often classed as "forced induction" although is...
I'm having a debate with a friend about the supposed benefits of filling your tires with Nitrogen...
If fresh water is pressurized to 1 MPa or greater, frozen solid at this pressure, then completely...
Is there any `accessible` natural or man made material that contracts when electricity is...
Who is the scientist to be attributed for equation or formula used in calculating engine exhaust...
I am a high school student and I have a question regarding piezoelectricity. I would like to know...
from Medicine Hat
I am attempting to determine if the spark given off from a TASER, would be enough to light a candle...
from the Internet
Scientists, if you had to calculate armor penetration for medieval armors, what formula would...
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