ESL students, how often have you clicked print only to realize one typo that you didn’t notice before? Then you run over and hit cancel on the printer but it’s too late. The paper is already halfway finished printing and you wasted a piece of paper. Personally this has happened to me so often, but then as a school, like Hancock International College, there are often papers printed but never used. How nice would it be to be able to “unprint”?! Whether you are an international student, a professional or otherwise, here is a super interesting article about just that!
Goodnewsnetwork.org says, “Imagine if your printer had an ‘unprint’ button that used pulses of light to remove toner, curbing environmental impacts compared with conventional paper recycling. A Rutgers-led team has created a new way to unprint paper that, unlike laser-based methods, can work with the standard, coated paper used in home and office printers. The new method uses pulses of light from a xenon lamp, and can erase black, blue, red and green toners without damaging the paper, according to a study in the Journal of Cleaner Production.
‘Our method makes it possible to unprint and then reprint on the same paper at least five times, which is typically as many times paper can be reused with conventional recycling,’ said study co-author Rajiv Malhotra, an assistant professor in the Department of Mechanical and Aerospace Engineering in the School of Engineering at Rutgers University–New Brunswick.
‘By eliminating the steps involved in conventional recycling, our unprinting method could reduce energy costs, pollution and greenhouse gas emissions.’
Conventional recycling of coated paper is a major contributor to climate change emissions, chemical pollution and energy use, according to the study. Extending the life of paper while avoiding these recycling steps would yield significant environmental benefits.
The engineers’ next steps are to further refine the method by testing additional toner colors on a wider range of paper types. Unprinting can be done with simple equipment and a wipe with a very small amount of benign alcohol, and the engineers are working to integrate unprinting with typical office and home printers.”
Full Article: https://www.goodnewsnetwork.org/new-unprinting-method-can-recycle-paper/
Idiom of the Day
There’s no reset button in life
Meaning: you cannot undo something that has happened in your life.
Example: I should have traveled more after college before I started my career. Oh well, there’s no reset button in life!
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