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Żarówka, która świeci się nawet bez prądu - Artykuły - Chip.pl

The SmartCharge LED lightbulb includes technology that keeps the room lit in the event of a power outage, and can even determine whether someone has just turned off the light at the switch, or there's been an actual power failure.

Big Builder 3D Printer Unveiled: http://3dprint.com/1182/builder-3d-printers-launches-the-big-builder/ #3dPrinteresting

Builder Printers Launches the Big Builder: 26 Inch Z-axis Build Size