Build an Atom - Phet
Topics Atoms Atomic Structure Isotope Symbols Atomic Nuclei Description Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change.
ChronoZoom
ChronoZoom is an educational tool for teachers and students who want to put historical events in perspective. A great many resources have been created already in ChronoZoom for your enjoyment and enlightenment. Start Exploring Use ChronoZoom to get a perspective of the extensive scale of time and historical events relative to what happened around the world. Become an author yourself! Simply log on with your social networking credentials to record your unique perspective or tell a story that needs to be told.
Chapter 3
Classical physics could not explain the spectra of black bodies. It predicted that the intensity (power emitted at a given wavelength) of emitted light should increase rapidly with decreasing wavelength without limit (the "ultraviolet catastrophe"). In the figure below, the curve labeled "Rayleigh-Jeans law" shows the classically expected behavior. However, the measured spectra actually showed an intensity maximum at a particular wavelength, while the intensity decreased at wavelengths both above and below the maximum. In order to explain the spectra, in 1900 the German physicist Max Planck (1858 - 1947) was forced to make a desperate assumption for which he had no physical explanation.
The Cell: A Learning Tool
This interactive learning tool was developed to help middle school students attain a greater understanding of the cell, cell organelles and their functions, and to improve retention of scientific knowledge in preparation for the State of California Standards exams in life science. Onscreen and off screen ("hands on") activities are provided in this learning tool on the cell. Off screen activities include printing outlines of the animal cell, which the students cut out, color, assemble, and label. Onscreen activities include an interactive exploration of the animal and plant cells and a quiz. Technologies used include Flash and XML.
5 Skills That Will Make You a More Valuable Filmmaker
There are tons of skills that will make you a better filmmaker, but have found these 5 skills to be invaluable. Here are 5 skills that I like to see in filmmakers I hire or 5 skills he/she is willing to develop. Watch the video above to see all 5 tips and read the conclusion below to see the payoff of mastering these skills. 1. Knowing How to Stage Gear
Henry Greenside's Duke Physics Challenges
Duke Physics Challenges The following Physics Challenges are for Duke undergraduates and others to enjoy. The motivation for these problems comes from Mark Twain's famous quip that "I have never let my schooling interfere with my education." and similarly I think physics is too much fun to restrict just to classrooms, labs, and homework assignments.
Concept Development Maps
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Reflective Surfaces Can Ruin Your Shots. Here Are Some Quick Fixes
"Reflective surfaces are a pain in the ass," said every filmmaker ever. Say you've just canned a glorious tracking shot. When you go to review the footage, however, you're dismayed to find out that you tracked past three windows, and in every single one of them you can see the dolly and camera crew, the boom operator, and some PA holding coffee that is wandering around like a lost puppy. Almost every filmmaker I know has dealt with this problem in some form or another, and it's one that every up and coming filmmaker will encounter at some point in their lives. But what can you do to get rid of those pesky reflections that can ruin your shots? Here's Ryan Connolly and the Film Riot crew to offer up a few quick tips:
2012 Skywatching Events Guide & 2012 Venus Transit
This story was updated on Jan. 2. As the year 2011 comes to a close, some might wonder what is looming sky-wise for 2012? What celestial events might we look forward to seeing? I've selected what I consider to be the top 12 "skylights" for this coming year, and list them here in chronological order.
Physics Formulary: Table of Contents
Last change: December 16, 2009 This document is a LaTeX file of 108 pages which contains a lot of equations in physics. It is written at advanced undergraduate/postgraduate level. It is intended to be a short reference for anyone who works with physics and often needs to look up equations. A list of recent additions and improvements is available.
Magnifying the Universe
Embed this infographic on your site! <iframe width="500" height="323" scrolling="no" src=" frameborder="0" allowfullscreen></iframe><br />Copyright 2012. <a href=" the Universe</a> by <a href=" Sleuth</a>.
