Mark McDonald from Morgan Hill asks

I am interested in the transmission of RF through different materials (especially water). I am...

Michael Guenther from Long Beach asks

Do you know of any analysis or test data available to show that aluminum will not spark if struck...

Matt from the Internet asks

Why are 6volt batteries bigger than 9volts, even though 6 volts are less than 9? And why are AA,...

Jason from Virginia asks

What is the effect of sound on plants? I have come up with a lot of good information, but I have...

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...

William Kirwan from Limerick Republic of Ireland asks

How much heat energy (watts) is released from the human body? Is there a relation to the area of...

Matt Hiemenz from Manitoba asks

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

Melodia from Montreal asks

Approximately how many nuclear tests do the americans alone conduct every year?

Johnathan from Sydney asks

What happens when you use ethanol (unblended) in a standard, unleaded car engine? Will it work?

Harshita from Sydney asks

I have conducted an experiment with a parachute. I was investigating whether the time taken to...

Jenny from Toronto asks

What do paper and plastic bags degrade to? How much does it cost to make a paper and plastic bag?

Satnam from Calgary asks

My question: How will they produce plastics, tires, roads or anything that is made from oil, once...

Sam Thomas from Kallaroo WA , Australia asks

If splitting the atom can create a huge amount of energy, then why isn't it used to power engines...

Damanjit Singh from New Delhi, India asks

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

Ethan Heil from Salem, VA asks

I am doing a research project on the strength of different batteries. Is there a cheap way to test...

Philip Newman asks

How does a boat float? What is the scientific principle?

Umit Koseoglu asks

Is it possible to make a soap bubble that you can get inside?

luke kujawa from armada asks

What is the chemical composition of basic aluminum, steel, and brass, and which metal conducts heat...

Tim Wiebe asks

Since a plane's wing is designed to fly right side up, how does a plane stay up in the air when it...

Paul Paura from Mississauga asks

how will Hydrogen work as an Assist Gas for Diesel Trucks (Transportation Industry). After doing...

Semutblue from the Internet asks

Is there a liquid chemical that will glow when electricity is passed through it? What voltage would...

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...

Don Ryan from St. John's, NL asks

Lightning strikes produce huge amounts of electricity. Has science looked at ways to store and use...

cheryl from singapore asks

I read that to find the efficiency of a fractional distillation column, you can distill a mixture...

James Hope from Gloucester, UK asks

My dad was saying that radio waves from TV transmitter stations can burn you severely if you are...

Christian Martel from Montreal, QC asks

Would you know where I can find the temperature at which paper burns, and where I can find data for...

Cathy from Thorhild, Alberta, Canada asks

How can we manually assist the freezing process of the ground. Temperatures have been above...

Ken Hood from Batamans Bay, Australia asks

Can a normal late model petrol car engine be coverted to run on almost pure ethanol? How is this...

Doug Tare from Freehold asks

Since hydrogen is being considered for fuel purposes it's minimum ignition energy (m.i.e.) of .02...

Roman Tanisis from Surrey, BC asks

I have an FM transmitter for my iPod. I find that when my hand is within 5 centimetres proximity to...

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 ...

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...

Susana from Germany asks

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

Angelo from Mississauga asks

Why is styrofoam a good insulator?

Gord Vance from Ottawa asks

Could Uranium 238 be used in conjunction with photovoltaic cells in order to create a viable power...

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...

Apurba Kanjilal from India asks

How are sparks generated from flint, quartz, and metals? What burns during a spark? How do the...

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...