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Japanese scientist accidentally creates glass that can be fixed if it cracks (phone screens not included)

The discovery opens the way for super-durable glass that could triple the lifespan of everyday products like car windows, construction materials, fish tanks and even toilet seats

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Yu Yanagisawa, a chemistry researcher at the University of Tokyo, looks at a piece of repaired broken resin glass after pressing the pieces back together. Photo: AFP
Agence France-Presse

A Japanese researcher has developed – by accident – a new type of glass that can be repaired simply by pressing it back together after it cracks.

The discovery opens the way for super-durable glass that could triple the lifespan of everyday products like car windows, construction materials, fish tanks and even toilet seats.

Yu Yanagisawa, a chemistry researcher at the University of Tokyo, made the breakthrough by chance while investigating adhesives that can be used on wet surfaces.

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Does this mean you will soon be able to repair those cracks in your smartphone with a quick press of the fingers? Or surreptitiously piece together a shattered beer glass dropped after one pint too many?

Well, not quite. Not now and in fact, not in the near future.

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But it does open a window of opportunity for researchers to explore ways to make more durable, lightweight, glasslike items, like car windows.

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