Ian Rosner asks
Can you explain the fourth dimension and state simply Einstein's Theory of Relativity?
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I was wanting to make my own acid stain for concrete. I have muriatic acid and heavy metals...
Don Roscoe from Vancouver asks
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Mohammad from Toronto asks
What is 2 with the power of 4? and can u tell me some consideration of microwaves?
Tony from Melbourne asks
In my recent science project, I tried discharging batterys in the freezer, fridge and room. The...
Ken Cooke asks
I read somewhere there are a total of 9 dimensions. Can you elaborate on what these dimensions are?...
Donald Plourde from East Mapleton asks
If I have two 6 volt lead acid Batteries with a 400 ampere hour charge in each one. And I wire the...
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1)How does prenatal exposure to sex hormones influence behavior later in life? 2)What are gender...
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Why are clouds flat on the bottom? Is it because the air is somehow denser on the level below the...
Kashif from Toronto asks
Why is propylene glycol not an alcohol? Same for glycerol. Why don't they evaporate and smell like...
Jonathan Weiler asks
How are the tiny chips and wires that go into a computer made? They seem so tiny and fragile.
Rob Pease asks
How can we reshape bone using our understanding of bone growth? Obviously, parts, if not all of a...
Jason Kang from Thornhill asks
If a person was to experience continous pain, of moderate intensity, for a week, is there any...
Johnny from Mississauga asks
In math class, my teacher has been frequently making references to what I've mentally labelled, as...
J. Etter from Eureka asks
Have any cures for any specific viruses been found? By cure I mean the ability to rid the body of...
david caron from Toronto asks
What is the energy required to split H2O, (joules), and the energy released from combusting H2 +...
Leo from Montville, NJ asks
Where can I find the data to support that polyvinylpyrrolidone is safe for medical applications? ...
Jeremy from Norwood asks
What component controls how data is written on a hard drive?
James McCarty from Frankfort, Kentucky asks
Evacuations of the earth's core through volcano eruptions, the pumping of oil, gas, etc., must...
Mary Phipps asks
Is calcium carbonate (ground limestone) biodegradable? Will it break down during composting? I want...
Kaycie Nabeta asks
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Ian Burke asks
What do you think of a Gas/Electric hybrid car? I made a power generation device made up of 8 a.c....
Thalia Parcs from Toronto asks
I have noticed in Toronto for the past two years, that the weather has been abnormally cloudy in...
kirst from the Internet asks
What everyday appliance uses electrostatics?
Tim Sullivan asks
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Iain Hunter asks
What is the chemistry behind the method of cleaning silver where you place it on some aluminum foil...
Peter Schmuecking from Roetgen nr Aachen/Germany asks
My son, 13 y, has found a really good idea to prove the four colour map problem without computers,...
Kim Yonda from Winnipeg, Mb asks
I'm doing a project on mercury in water. I was wondering if and how you get mercury out of lakes. ...
Lenny Rivera from New York asks
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Karan Rustagi from Ontario asks
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As everyone had heard in the news, as a result of the Indian Ocean earthquake and Tsunami of Dec...
Mark Brooks from London asks
Why do ice cubes melt quicker on stainless steel than a china plate and fire clay?
Joel from Australia asks
What is the chemical makeup of an apple?
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How do you determine the proportion of the various gases in the air?
Gerhard asks
What kind of permanent changes in a developing child's brain or behaviour can be caused by the...
Ryan from Toronto asks
I am in grade 7 and attempting to do a Science Fair Project. I would like to know how I could test...
ALI from miami beach asks
1)What type salary does internal medicine make? 2)What kind of education is needed for internal...
Marty Ellis from Pittsburgh asks
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What wind speed would be enough to blow somebody away?
stephanie from windsor asks
Why can't spruce trees compete with maple trees in more southern forests? What advantages do the...
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