What is e-paper?

What is e-paper? Also known as electronic paper, it is a new-ish technology that mimics how ink appears on paper. Rather than emitting light like an LCD display, it reflects light just like paper. Here’s how it works. E-paper displays are filled with microscopic black and white ink capsules with opposite electric charges. When a negative field i...
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The short life and quick death of a supercomputer

Japan’s venerable supercomputer K went into retirement in August of 2019. The world’s first supercomputer to achieve more than 10 quadrillion computations per second ended operations after over 6 years of service. As its successor is still being developed and will not be online until 2021 or 2022, let’s take a look at “the K’s” history. A magnet...
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