The aim of this paper is to present the state of gem mining activities in the Luc ... Spinel crystals in placers are more transparent and are used for gem cutting. Larger crystals in host rock are ...

Now in the hands of developers, macOS Tahoe introduces a long list of new features – some were showcased at Apple's WWDC ...

Tucked away in your iPhone is a hidden flight tracker. Here's where to find it and how to use it. With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and ...

Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56, Stockholm 100 44, Sweden ...

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