from Athens, Greece
If we put a current-carrying conductor inside a magnetic field (i.e. between two permanent...
Why, specifically, do ferrite magnets gain strength in low temperatures?
If atoms are so small, how can we split them?
If Virginia sees a full moon in the daytime then do places like Australia see no moon at night?
from Davis Ca.
I want to explain to my 6 year old daughter, why the rainbow appears bent/arched in a semicircle in...
A F Jenks
from Nelson, NZ
When a laser is bounced off the reflector Apollo crew placed on the moon, or any light is reflected...
Why do all planets revolve in elliptical orbits around the sun? I mean in nature there existis...
from Coquitlam, BC
Hi was always wondering if it is ok to use a higher voltage power supply for a lower voltage...
I was watching a short documentary on how the Earth first came about. The part that was puzzling me...
What is the polar nature of water?
How do electric kettles work?
from Santa Clarita
Is a seed a living thing? If so, how do you prove it? Is it living before you add water?
from the Internet
Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...
from Catonsville MD
Why does my coffee flow more freely from a to-go cup when there are two holes in the lid instead of...
Given: a horizontal rigid tube with one end on an axis at a constant rotation. Insert a solid ball...
from the Internet
During cellular respiration, why can't NADH pass its electrons to NAD+ across the inner membrane of...
from Binmaley, Philippines
Why do (nearly) all birds move in a jerking motion as compared with other animals that move...
A black hole is created when a planet collapses and forms into a powerful vacuum sucking everything...
Why do proteins form lather on making their solutions?
Is it possible make the aluminium transparent ?
I would like to know if there is any way to magnetize a 6x4x1/2 inch ceramic 8 non magnetized...
If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?
from New York
Who discovered High Blood Pressure and what year?
In microwave transmission sometimes we use power in positive e.g +13db and sometimes in negative...
I'm writing a science-fiction novel and need information about black holes, gravitation and...
from Bangalore (India)
Before getting married should we consider blood groups of both individuals? Is there any...
What is happening when someone plays a song on wine glasses? They are filled with different...
Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?
from Mississauga, ON
I have a wierd thinking question regarding electricity. When we have a positive charge or a...
I was wondering about planet orbit paths and if they change. I read that a change in the Earth's...
I heard that all cells only come from existing cells. If this is true, how did the first cells...
My neice is being tested for an unknown cause to her developemental delay. She has recently been...
What is "route dependent toxicity"?
from the Internet
Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...
What are the names and locations in the universe of known black holes?
from Havre de Grace MD
Do noses and ears continue to grow throughout the lifetime?
I am quite confused with temperature scales! i would like to know the link between the degree...
How does what we smell affect what we taste?
Is there any living thing that doesn't need water to survive in the whole life? If there is...
At what age does your heart stop growing? I have just watched a program and a young girl was given...
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