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Re:To make the perfect mirror, physicists confront the myste... by ape4 on Friday April 03, 2020 @10:58AM (#22769826)
If you could do that... what are some other possible products?
Re:To make the perfect mirror, physicists confront the myste... by izzydata on Friday April 03, 2020 @11:03AM (#22769882)
Replicators, brain backups maybe.

Probably plenty of seemingly sci-fi technologies.