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Reprogrammable 盲文可能是盲人电子阅读器的未来

 

本文来自thenextweb.com。源URL是: https://thenextweb.com/science/2018/07/25/reprogrammable-braille-harvard-books/

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Braille books are big. Dauntingly so. For example, whenHarry Potter and the Order of the Phoenixwas translated into the system, it was over 1,000 pages across 14 volumes of thick paper. Well, researchers at Harvard have taken a big step into making this a thing of the past with reprogrammable braille.

The idea was to create an information storage system that could be manipulated at will. And, weirdly, the scientists from the Harvard John A. Paulson School of Engineering and Applied Sciences (or, for less of a mouthful, SEAS) were influenced by a fruit bowl when designing it.

Basically, it’s is a thin, curved elastic shell on which braille-indents can be made with a stylus. Importantly, these indents can remain after the force creating them has been removed. In many ways, it’s similar to how braille books are produced now, but with this method, the text can be changed at will.

It looks like this:

The fruit bowl-influenced reprogrammable braille system (Image courtesy of L. Mahadevan/Harvard SEAS)

What separates this from the braille e-readers that already exist – such as the BLITAB – is the characters can be supplanted on the surface without the need for an underlying lattice. This gives creators much more flexibility in form and display.

“Simple experiments with cylindrical and spherical shells show that we can control the number, location, and the temporal order of these dimples which can be written and erased at will,” said L. Mahadevan, a Professor of Applied Mathematics at SEAS. “This system could serve as the basis for small-scale mechanical memories.”

In other words, as this approach is scale-independent – meaning that it will work no matter the size of the object being imprinted upon – it could also function as a way of storing data.

“This paper is a first step in showing that we can store memories. The next step is to ask if we can actually compute with them,” said Mahadevan.

This reprogrammable braille technology also opens up the idea of display systems that can be flexible and fast-altering, changing how the blind and visually-impaired interact with screens. And, hopefully, will make reading哈利波特 on the bus much, much easier.

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