‘Mach c’? Scientists observe sound traveling faster than the speed of light Scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light. The team from Middle Tennessee State University also showed that the group velocity of sound waves can become infinite, and eve… […]
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Google plots e-books coup Google is working on a system that would allow readers to download entire books to their computers in a format that they could read on screen or mobile devices. Sony recently launched its Reader, a digital book device with an online book store sto…