He's built six prototypes, 3D printing every piece of hardware, programming the software, and even soldering the control circuit board. He says building his drone cost one-fifth of the price of ...

Hours earlier, the Ukrainian capital, Kyiv, and other regions came under a massive Russian drone-and-missile attack that killed at least 12 people and injured dozens. Ukrainian officials described ...

This milestone marks Factorial’s first shipment in the drone sector and the first flight deployment of its proprietary FEST® (Factorial Electrolyte System Technology) platform. This press ...

The load is now a boiler. (See Figure 4, page 20.) This wiring diagram shows 120 V coming from L1 of a circuit breaker, through a switch, powering a boiler control and returning through L2, back to ...

Get local news delivered to your inbox!

Stanislav DOSHCHITSYN with Sergii VOLSKYI in Markhalivka AFP May 25, 2025 May 25, 2025 Updated May 26, 2025 ...

Abstract: The three-phase three-wire stand-alone inverter is required to have short-circuit fault ridethrough ability to achieve continuity of power supply. Generally the inverter works in ...

Read all the stories you want.