Depends on the genre, but if it's zombies, I've developed a nearly unlimited supply of free electricity. 1. Place zombie on treadmill surrounded by a cage. 2.

Depends on the genre, but if it's zombies, I've developed a nearly unlimited supply of free electricity. 1. Place zombie on treadmill surrounded by a cage. 2. Hook treadmill up to generator. 3. Read a book in front of zombie. 4. Electricity!