One of the most annoying things that can happen to your smarphones is screen damage. Whether it’s smartphones, tablets, smartwatches, or other devices, replacing broken screens is always an expensive hassle. But researchers have created a magical “glue” that would turn various materials into self-healing surfaces that could automatically fix scratches and cracks. The technology could very well be used in future iPhone and Android devices, but also in other products like nail varnish or car paint.
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