Cracked screen will soon be a thing of the past?


Photo source: https: iphone.nl
It can happen to us all: the smartphone that suddenly refuses to stay safely in the hand. Consequence: cracked screen, extreme repair costs. That frustration may soon be a thing of the past. A Japanese university student accidentally discovered a new self-healing glass.

It is a polymer that would be completely self-repairing. All you need is a temperature of 21 degrees Celsius or 69.8 Fahrenheit. Furthermore, you only need to lightly press the cracks for half a minute to make it smoothly flow together again. There are already hard materials that can repair themselves, such as self-healing rubber and plastic, but in most cases temperatures of 120 degrees Celsius/ 248 Fahrenheit or higher are necessary for this. Now room temperature would be sufficient, a great advantage. It was university student Yu Yanagisawa who did the original discovery, while he actually wanted to make glue from the conscious polymer. 

When he saw incisions in the surface, he saw that the ends were sticking together again. Yanagisawa immediately understood the enormous potential and repeated the experiment several times to be sure. Successfully. The screen was again just as strong as before the break. "I hope that the recoverable glass will become a new environmentally friendly material that does not have to be thrown away if it breaks," he told NHK. The research appeared in the journal Science. The paper was submitted under the direction of Professor Takuzo Aida of the University of Tokyo. To qualify as material for smartphones, the polymer will first have to be tested if it is suitable for touch screens.

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