By: Sandra Douglas
Kids love to play tricks on their friends and physics provides the perfect opportunity. While some of the experiments might look like magic, all of them follow the physical laws that we live by every day. The study of physics encompasses everything we do that...
By: Norman Lafave
The secret to electric currents is metallic bonding, a property found at the microstructure level of a conductor. Metals take their properties from the way metallic atoms are joined to their neighbors. Metal atoms have extra electrons that they need to shed to satisfy the...
By: Steve Lussing
Perhaps the most important contribution Einstein made to our understanding of the nature of reality was the explanation of the relationship that matter has with energy. He expressed this with the equation E=mc^2, or, the amount of energy represented by a given amount of matter...
By: Robert Williscroft
A radioisotope thermoelectric generator, RTG for short, is a small, very long lasting power source - an outgrowth of the nuclear power program. About the size of a thermos bottle, it can supply useful power for very long periods of time. Because it has no...
By: Robert Williscroft
Step outside on a nice day and feel the sun's warmth - that's radiation; so's the light. A body's warmth is radiation. And radio waves. And television signals. And x-rays. And light from a glow worm's tail.Radiation is energy transfer. It can take several...
Is Time Real or Relative
By: Ian Loft
There is a powerful but simple truth in the statement time flies when you are having fun'. This is one simple concept of relative time since it is a fact that time is a scientific constant that neither speeds up nor slows down at least...
Is Time Real or Relative
By: Emo Roxas333
I think of time as a real thing that effects everyone, everything, and of course all ideas.Time can be measured and is a variable in many things such as living organisms, ideas, and civilization. Time can be measured in seconds, minutes, hours, days, and...
By: Stephanie Sublett
Add heat to a solid and it begins to melt . Add enough heat and the entire solid becomes liquid. Add heat to liquid and it begins to vaporize. Add enough heat and the whole liquid becomes a gas. Add heat to a gas and it...
By: Steve Lussing
MYSTERIES OF THE BOSE-EINSTEIN CONDENSATEIn 1995, researchers Eric Cornell and Carl Wieman of the Joint Institute for Laboratory Astrophysics at the University of Colorado (JILA) cooled a handful of gaseous rubidium-87 atoms (approximately 2,000) to less than one degree Kelvin. Zero degrees K is...
By: Emo Roxas333
Airplanes use a mixture of science, construction of the wing, and the engine to generate lift. But how does science, architecture, and materials result in finding out how airplanes get lift? First of all, the science portion of of the wing. The wing uses a...

 

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