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GPS Letterlogger to Solve the Problem of Missing Snail Mail
TrackingTheWorld has come up with a potential solution to the problem of letters that go missing in action. Letter Logger is a quarter-inch-thick device that fits into a standard number 10 business envelope and allows the US Postal Service to track its progress throughout the system alongside Google Earth. Here's how it works. More »High Speed Laser Kills Virus Without Damaging Healthy Cells
A new high speed pulsing laser developed by Arizona State physics professor Kong-Thon Tsen and his son Shaw-Wei Tsen, a pathology student at Johns Hopkins, has succeeded in killing a common virus without damaging the healthy surrounding cells. The laser utilizes the principle of "forced resonance" by vibrating the shell of a virus to "crack" it. Plus, tests have proven that it is possible to break down the shells at energies far lower than those needed to damage surrounding T-cells.
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