[ On the upside, at least Yennefer's world doesn't have Twitter yet. In that, if nothing else, her world knows true peace.

Plumbing though... yeah, Sam's got survival training, and he still considers plumbing entirely non-optional, thank you very much. ]

Propulsion. Generates heat, which generates thrust.

[ Sam flips Redwing so she can see the thruster, but is careful that it's not pointing at her - he's got no desire to burn her. He holds Redwing with one hand, then taps something on his wrist panel. The thruster on the drone lights up blue with a soft, quiet 'whoosh', and it's obvious that Sam's now holding the drone down in order to keep it in place - if he let go, Redwing would move. ]

If you hold out your hand, you can feel the heat. Careful, though. You get that right on your skin, it's gonna hurt.