The first four facts below suggest that the earth should be getting heavier and heavier - but it...
I have two questions. 1. Do jellyfish have ears and if so can they hear well? 2. How many...
I'd like to model magnetic fields on my computer, but I can't find any software. Can you point me...
from Port Orchard, Washington, USA
Do magnets become less massive over time? It requires energy to hold a magnet on the refigerator...
If the earth stopped revolving would humans weigh less or more? Would there still be gravity on...
I'd like to know what happens to radio waves once they have been emitted. Do they live forever?...
Does mercury in its gas form act the same way as air - I mean if heated, does it rise?
from Beaufort, SC
Are all non-toxic claiming products really non-toxic? And is there any simple way (such as a way...
from Castro Valley
Can a fast breeder reactor like the famous Candu series of Canadian designed fast reactors be...
from lahore, pakistan
I want to knock out the PHB depolymerase gene from the genomic DNA of a bacterium. Can you suggest...
What is the pH of Diet Pepsi? (or cola,generally) and...
Does smoking affect the body's pH? If so,...
Atalinder S. Bindra
Is it possible to reach a black hole? What is the distance of the nearest black hole from earth? Is...
from Rahim yar Khan, Pakistan
What is vacuum ? How is it created because if we remove the air then the instrument in which we...
How do touch lamps work? If one person touches the touch pad and someone else taps his other hand,...
from Brisbane, Australia
Is it true that no mass can travel at the speed of light? If this is true, as you are nearing the...
I understand about the Curie tempurature but I am wondering if an electromagnet has a Curie...
Can you tell me whether it would be possible to launch a spacecraft into orbit using a giant...
Is there really a tree in Tasmania called the Huon Pine that is 20,000 years old?
How do I estimate the mass of an object when I know its volume and nothing more? For example, how...
Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...
In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...
What furnishs H30+ in water solution?
Are there foods to eat which lower/reduce harmful cholesterol levels, or is this achieved by...
from the Internet
If two magnets are in contact with each other or close proximity to each other either repulsing or...
Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?
I'm doing a science project and my topic is about the speed of sound. I was wondering if you...
Is it possible for a singularity to form outside a black hole?
Why does a rare earth magnet fall slowly in an aluminium tube but it falls really fast when I toss...
Has absolute zero (0 K) ever been reached a laboratory?
Wilma de leon
What is the reaction between a chitin--the polysaccharide intermediate between protein and...
How long would a single molecule of a radioactive element last?
If the half-life of U-235 reduces...
Who was the first scientist to study light?
Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?
from Thunder Bay
Last spring and summer there were millions of army worms creeping all over everything. Maybe worse...
What are the quantum numbers that are involved in the distinction between matter and antimatter? I...
Why does a bar magnet repel when it breaks? n====|====s
A friend at a party showed me that you can take a glass bottle, fill it with water, but not all the...
How can I tell the difference between Zinc and Aluminium metal?
Why do most industrial LASER diodes emit pulsing light beams and not continuous ones? And what is...
from Gauteng, South Africa
Water is made up of H2O. H will burn and O2 will burn. Why does water not burn?
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