In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...
Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?
How high in the sky would Polaris the North Star be, as seen from the North Pole?
I would like to know the basic principles of work of a solid state gyroscope, such as the ones used...
Is there any living thing that doesn't need water to survive in the whole life? If there is...
What are the names and locations in the universe of known black holes?
Is it true that only female bees can sting you? And if it is, why is that?
Why does sound get through a surface like a wall better than light? If you use a curtain they both...
from Kamloops, BC
What is the Vir C gene/protein responsible for?
I read in books that bees cannot identify the colour white. Then what will the bees see instead of...
from Taree, Australia
Why is there no magnetic field in the centre of a bar magnet?
I'm writing a science-fiction novel and need information about black holes, gravitation and...
How do scientists type your blood? How do they find out your blood type?
At what age does your heart stop growing? I have just watched a program and a young girl was given...
from the Internet
I have a question which is a bit strange but in all honesty i don't know and i was hoping you could...
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
What can you tell me about the likelihood of a major solar storm in or around 2012, and how it...
I am quite confused with temperature scales! i would like to know the link between the degree...
Gary John Walsh
What is a blue moon? When will the next one be? Are there ever two in the same year?
How can an ant hold up a weight which is 50 times more heavy than ant's own weight?
UML @ Lake.Sherwood .School
from Baton Rouge
What cause the red dye to explore when it leaves the bank during a robbery? Does the red dye ever...
How do mirrors work? What makes them reflect?
from Surrey BC
I have been trying to get an answer to: what kind of fire supression system may be on board the...
from Sydney, Australia
I understand that when toilet paper gets wet eventually the cellulose fibres break apart thus...
What are cosmic rays?
I was wondering what the breakdown products of ethanol in the body are .... water and what? What...
from Poseyville, IN
How come you can boil an egg in a paper cup over hot coals and the cup does not burn up?
What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...
I am looking for information on the molecular level electromagnetic resonance frequency of various...
from Dix Hills, NY
Animals eat leaves and grasses and this provides them nutrition. Can people take leaves off trees,...
How are rocks made? What are the different kinds of rocks?
What differences are there in the three different types of lemmings?
What causes asteroids to burn up once they enter earth's atmosphere?
from New Delhi
I have an e-DNA (environmental DNA) sample in a vial. How can I learn if the given e-DNA sample is...
Loubelle I. Depita
from Koronadal City, South Cotabato, Philippines
Why is sterilizing & using alcohol effective against microorganism?
Do you have a "Sea-Monkey" life cycle?
Whenever I drop a piece of cork, plastic or metal into a container of water, it always floats on...
The Tucker Family
How many people have ever lived on earth? We have found data giving the population at differen...
How do bacteria use rhodopsin to create energy?
I lost my sense of smell after a fall from a horse 5 years ago. The back of my head hit the...
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