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Sounds kind of dirty, right? Actually, it's because of a clean visual that technical analysts use this term. Technical analysts like charts (hence their nickname of "chartists"), and they like to give certain patterns they see neat little names.
Such is the case with the double bottom, which looks on a chart like, well, a double bottom. Think of three mountains (on a chart reflecting a rise in values) separated by two valleys (representing dips in value). The troughs of the valleys, and the size of the first two peaks, are generally the same, so the chart looks like the letter 'W.' The appearance of those two valleys represents a double bottom.
So what? Well, if you're one of those folks who believes in the power of the charts, seeing a double bottom suggests a long-term trend is about to reverse. So, if a stock chart shows shares falling for several months, then seeing a double bottom, chances are good (according to the chartists) that the shares will rise. And vice versa.
But, beware: charts can be a great tool, but they're more art than science. Use any charts with caution.
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Thursday, May 01, 2008
Tiny Circuit Breakthrough for Hewlett Packard
FOXBusiness
Hewlett-Packard announced a breakthrough in electronic circuitry that could replace today’s memory chips. The device, called a “memristor,” is an electrical resistor with memory capabilities.
HP says the device will change how data storage is managed on electronic devices. The memristor is different from solid-state storage devices in that it can store information for long stretches of tie without electricity. This allows devices that use memristors to have lower power consumption than current devices.
The memristors are as small as 15 nanometers. To put that into perspective, an atom's diameter measures a tenth of a nanometer, according to The New York Times. Currently, the smallest parts in semiconductors measure 45 nanometers, according to the report.
The only problem with the memristors is that they function at only one-tenth the speed of modern DRAM memory cells, according to the Times.
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