- He turned his invisible ray on a running engine, and it began to slow down.
- He used the ray to explode a tiny amount of gunpowder in a dish all the way across the room.
- The ray was able to light up a lamp that was unconnected to any other power source.
- It wouldn't be a death ray if it couldn't dole out a healthy dose of mortality, this time to an unfortunate mouse: "The ray, now made visible to facilitate a direct hit and appearing as a thin pencil of lavender-colored light, was trained for an instant on the little mouse. Instantly, the creature stiffened and died, with all the symptoms of violent electric shock.