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The Elegant Universe: Part 3 PBS Airdate: November 4, 2003 NARRATOR: Now, on NOVA, take a thrill ride into a world stranger than science fiction, where you play the game by breaking some rules, where a new view of the universe pushes you beyond the limits of your wildest imagination. This is the world of "string theory," a way of describing every force and all matter from an atom to earth, to the end of the galaxies—from the birth of time to its final tick, in a single theory, a "Theory of Everything." Our guide to this brave new world is Brian Greene, the bestselling author and physicist.
This website is for teachers of physics in schools and colleges. It is a collection of experiments that demonstrate a wide range of physical concepts and processes. Some of the experiments can be used as starting-points for investigations or for enhancement activities.
The Magnetic Field Around a Wire, I This is a Java tutorial, which requires that you have Java, a free software, installed on your computer. It works best if you have the latest version of Java installed.
We have been increasingly using Flash animations for illustrating Physics content.
Have you ever dream of 100 terabyte of data per 3.5-inch disk ? New patented innovation nanotechnology from Michael E. Thomas, president of Colossal Storage Corporation, makes it real. Michael invented and patented the world's first and only concept for non-contact UV photon induced electric field poling of ferroelectric non-linear photonic bandgap crystals, which offers the possibility of controlling and manipulating light within a UV/Deep Blue frequency of 1 nm to 400 nm.
As the animation shows, when two waves overlap they add up to form a larger wave ( reinforcement ). They can also cancel out to form nothing at all ( cancellation ), or partially cancel to make a more complex waveform.
Magnets and Magnetism We have all played with magnets. A pair of magnets by itself makes a wonderful toy.
How small can we go?
When a nuclear weapon explodes in the air, the surrounding air is subjected to great heat, followed by relatively rapid cooling. These conditions are ideal for the production of tremendous amounts of nitric oxides.
Spectra of Gas Discharges
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Oscillations and Waves