Thanks to open source projects like Betaflight and Ardupilot, you don’t need to write control software from scratch to get something in the air. The ball drone seems well suited to an indoor ...

“With the drone, the explosive charge can be transported by air above the desired target, where it can then be detonated. The charge contains balls, and it delivers fragments across a wide area ...

This is an obvious fact, demonstrated through countless videos on social media, but also one worth keeping in mind as militaries around the world fly small drones ... air with a tennis ball.