During the talk he spilled the beans on the quartz crystal hanging off the front side of every PCB. Continue reading “DEF CON 27: The Badge Talk; Or That One Time Joe Grand Sourced 30,000 ...

The magic of crystal formation had already been done by natural processes; all that was needed was a little slicing and dicing. As it turns out, though, quartz is so immensely useful for a ...

Check the accuracy of your clock source with this compact crystal tester. It displays the frequency of an unknown quartz on ...

A gemstone grid is an arrangement of crystals aimed at focusing and amplifying energies for a specific purpose— whether ...

Certain gemstones are believed to possess energies that foster connection, empathy, and unity within communities and ...

Incorporating gemstones like amethyst for tranquility, rose quartz for love, and citrine for abundance can enhance your home's positive energy and harmony. Each stone brings unique properties to ...

In the case of dielectric crystals, this has been demonstrated by de Haas and Biermasz l, who measured the effect of heat treatment on the conductivity of a quartz crystal in the liquid-hydrogen ...