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The Rise and Fall of 3M’s Floppy Disk

Cars That Think

Begun, who was likely something of a competitor to Pfleumer: Also a German, he had moved to the United States and developed a steel-based magnetic tape. I bought them from a junk store, and maybe paid $2 for them. That firm, the Brush Development Co., The invention was used by the U.S.

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One Way to Stop the Social Spread of Disinformation

Cars That Think

A decentralized cloud would minimize the need to use third-party services to manage and store data on people and business enterprises. The HEC can allow consumers to better control how their data is stored, shared, and monetized, Alamouti says. Alamouti, cofounder and executive board chairman of Mimik , in Oakland, Calif.,

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How the Graphical User Interface Was Invented

Cars That Think

In 1984, the low-cost Macintosh from Apple Computer Inc., The BitBlt software enabled application programs to mix and manipulate rectangular arrays of pixel values in on-screen or off-screen memory, or between the two, combining the pixel values and storing the result in the appropriate bit-map location. Cupertino, Calif.,

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Designing the First Apple Macintosh: The Engineers’ Story

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make a low-cost “appliance”-type computer that would be as easy to use as a toaster. Generally, a multitasking operating system tracks the progress of each of the programs it is running and then stores the entire state of each program—the values of its variables, the location of the program counter, and so on.

Design 122
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Creating the Commodore 64: The Engineers’ Story

Cars That Think

When the design of the Commodore 64 began, the overriding goals were simplicity and low cost. The initial production cost of the Commodore 64 was targeted at $130; it turned out to be $135. Computer magazines such as Creative Computing and Compute! review software and publish programs that run on the C-64.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

The F6 DM uses ferrous batteries, with no lithium content, that BYD says are high-energy density and low cost. DaimlerChrysler has presented plug-in hybrids in commercial vans that have enough room to store the batteries, but the technology is not quite ripe for cars."Plug-in

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