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FOR IMMEDIATE RELEASE


Price for OnScreen Particle Physics Teaching Software Cut in Half

SOMERVILLE, MA—July 18, 2007—OnScreen Science, Inc.® today announced an immediate and permanent reduction by nearly 50% of the price for its modern physics teaching software OnScreen Particle Physics™. The new price is $69 (USD). The prize-winning software, which runs under Macintosh OS X and Windows XP, is designed to make the strange quantum world of subatomic physics accessible to students at the high school level and above.

In OnScreen Particle Physics™ a simulated particle detection chamber displays the unfolding of particle physics events as helical tracks in three dimensions. Guided by provided examples and hints, users can utilize the same physical principles as real particle physicists to set up experiments and then make measurements and calculations to solve the puzzle of what kind of particles made the tracks. Although the equations used are from Einstein's special relativity, no math beyond algebra and vectors is required. This virtual hands-on experience of particle physics is unique to OnScreen Particle Physics™.

A gamelike interactive simulation of charged-particle motion in a magnetic field, in which one can capture a particle on the screen and observe the changes in its trajectory as one varies the magnetic field by means of an on-screen control, is also provided. This simulation is designed to build tuition about the Lorentz force and to help make sense of the tracks seen in the detection chamber.

OnScreen Particle Physics™ has been used in hundreds of high schools, community colleges, and universities in the USA and numerous other countries to provide simulated experience with the facts and concepts of modern physics. The software has also been featured in Quarknet Summer Teacher Workshops funded by the US Department of Energy and the National Science Foundation.

OnScreen Particle Physics™ is now available from OnScreen Science, Inc., 46 Wallace St. Somerville, MA 02144 or online at www.onscreen-sci.com. Ten-computer site licenses cost $345. There is a sixty-day money-back guarantee of satisfaction.

OnScreen Science, Inc.® publishes Ph.D.-scientist-designed software for science education tasks particularly benefiting from computer simulations. In addition to OnScreen Particle Physics™, the company also offers OnScreen DNA™, a fully three-dimensional tutorial simulation to teach the structure and function of DNA.