Bare Conductive Paint Pen: Electric paint. Nontoxic, solvent free and water soluble. You, your child can use it to draw circuits, solder components even do repairs. The pen creates a "liquid wire" that will conduct electricity from your power source to a circuit. Works on traditional electronics, plastic, paper, cardboard even textiles and is compatible with conductive thread, PCBs & microcontrollers such as Arduino, Raspberry Pi and FLORA. Conductive when dry. Comes off with soap and water.
Understanding the Attack Surface for Critical Infrastructure Over the last year synchronized and coordinated attacks against critical infrastructure have taken center stage. Remote cyber intrusions at three Ukrainian regional electric power distribution companies in December 2015 left approximately 225000 customers without power. @tachyeonz
This new Tesla battery will power your home, and maybe the electric grid too
A newly designed Tesla battery will power your home, and maybe the electric grid too. The product was unveiled April 2015 and will be in production at summer's end. Time to get off the grid! see teslamotors.com/powerwall