- That proves that the crab is negatively charged.
- Yes. Then, Hank, you must create a trap of positive energy.

— Dr. Karl Weigand (Leslie Bradley), Dale Drewer (Richard Garland)

6 seconds sound clip from the Attack of the Crab Monsters (1957) movie soundboard.

You can hear this line at 00:45:22.659 in the DVD version of the movie.

Quote context

[...]

- No thank you, Martha. I have no ambition toward becoming a mad scientist.

- But I do think we ought to try and capture the thing. Would you not like to examine a live specimen?

- Certainly, I would. But I had a chance to see how the specimen examined the lab wall last night.

- Hey, take a look at this.

- You said something about the crab being afraid of electricity, doctor. Let's find out.

- Ashes! The electricity destroyed the leg in less than a second.

- That proves that the crab is negatively charged.

- Yes. Then, Hank, you must create a trap of positive energy.

(electricity buzzing)

- Ha, it works!

- Well, sure it does, doctor. Easier to build than a model airplane.

- The charge must be just strong enough to de-energize the crab long enough for us to remove the claws and cage it, but not strong enough to kill the thing.

- That's fine, Karl, but how do we get the crab to step into it?

[...]