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Speaking of which, where's our sapphire phone screens already?
by inflatableDodo 7y ago
Speaking of which, where's our sapphire phone screens already?
- vinceguidry 7y agoSapphire is too brittle to be of much use in a phone screen. It would increase scratch resistance but be more prone to breaking than chemically strengthened glass. It works for watches because they can make it thicker to compensate.