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electromagnetism

Minute Physics: Real World Telekinesis

October 7, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter How do magnets affect things at a distance? How does the Sun heat our planet from 93 million miles away? How can we send messages across the world with our cell phones? We take these seemingly simple things for granted, but [...]

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An Anti-Gravity User Interface

May 17, 2012

Researcher Jinha Lee at MIT has developed a remarkable way to interact with computers — via a programmable, intelligent and gravity-defying metal ball. The concept, called “ZeroN”, is demonstrated in the video above. Fascinating! Remove this ad

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Electromagnetic Induction

January 13, 2011

It is hard to imagine a world without electricity. At one time, electricity was a humble offering, providing humanity with unnatural light that did not depend on gas lamps or kerosene lanterns. Today, it has grown to become the basis of our comfort, providing our heat, lighting and climate control, and powering all of our [...]

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Magnetic Field

October 24, 2010

Everyone knows just how fun magnets can be. As a child, who among us didn’t love to see if we could make our silverware stick together, or those little magnetic rocks that we could arrange to form just about any shape because they stuck together? Well, magnetism is not just an endless source of fun [...]

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What are Magnets Made Of

September 16, 2010

Magnets are the unsung heroes of the Modern Age. However most people don’t really understand what are magnets made of and how they even work. The issue is that we just know that magnets attract iron and nickel. However, magnets have a very interesting origin and can be seen as a physical manifestation of the [...]

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