The human eye is an engineering marvel. One of the unique aspects of the eye is the way it maintains its tears. The process is somewhat complex. How many layers of fluid make up normal tears and how do the tears stay on the vertical surface of the eyeball?
Last week’s fact: The world’s fastest computer runs what operating system? Today, the world’s fastest machine is IBM’s Blue Gene/L, installed at Lawrence Livermore National Laboratory to help maintain the country’s nuclear weapons stockpile. Blue Gene/L reinforced its lead with a top speed of 280.6 trillion calculations per second, according to a new list of the world’s 500 fastest supercomputers released by Tennessee’s Dongarra and other professors recently. Blue Gene runs a version of Linux on cells of special embedded, low-powered processors and uses ultra-fast memory connections to achieve its speed. Source: Information Week Nov. 21, 2005 Page 40.
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