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2012.10.21

Chemical Element Trump Cards

I can still remember the weight of the Lancia Stratos car that featured in the Top Trumps cards were playing as children in the 1970s: 870kg. It was the lightest of all the flashy cars in the set, and therefore a much sought-after card. Other card sets that kept us busy included airplanes, motorcycles, and tanks. Through them we learned tens of useless trivia, but also got a feeling of the compromises inherent in engineering. Wondering whether I could leverage such a game to make it even more educational, I created a set of trump cards containing properties of chemical elements.

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2012.10.11

Virtualize Me

The virtual machine (VM) is the most dazzling comeback in information technology. IBM implemented a VM platform architecture in the late 1960s in its CP/CMS operating system. The company’s goal was to provide the time-sharing capabilities that its batch-oriented System/360 lacked. Thus a simple control program (CP) created a VM environment where multiple instances of the single-user CMS operating system could run in parallel. Thirty years later, virtualization was rediscovered when companies like VMware found ways to virtualize the less accommodating Intel x86 processor architecture. The popularity of Intel’s platform and the huge amount of software running on it made virtualization an attractive proposition, spawning within a decade tens of proprietary and open source virtualization platforms.

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Unless otherwise expressly stated, all original material on this page created by Diomidis Spinellis is licensed under a Creative Commons Attribution-Share Alike 3.0 Greece License.