Technology
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Might be hard to assemble the functional part of a phone inside of a crystal, and you can't bake the whole thing because silicon isn't surviving 2000oC for 2 days.
wouldnt that stop the radio waves from reaching the phone, like a faraday cage?
Good question. This new material is technically a ceramic, not a metal, so I'd be inclined to say no. But we'd need more information on its electrical properties to say for sure.
Why do you think this would be more durable than tempered glass?
That, yes, and and I’m pretty sure we’ll not be polishing scratches out either.
I doubt that it's ever going to be super affordable, or be used in something as common as a phone. The price constraints on aluminum were due to the amount of energy it takes to produce. The transparent aluminum is a bit more complicated.
From the article it appears the fabrication is mold dependent, which always increases production cost. So you have to fabricate a mold for any new component. You then have to then pressurize the powder at 15k pounds per square inch, and then heat aluminum powders at 2000 degrees Celsius for 2 days.
wouldnt that stop the radio waves from reaching the phone, like a faraday cage?