Dune Codexery

Holtzman Shield

Personal force shield built on the Holtzman effect.

In Dune the Holtzman effect is used to produce defensive force shields that let through only objects moving below a pre-set velocity, so shield fighters must strike slowly to get past them. If a lasgun beam hits a shield, the result is a nuclear-scale explosion of unpredictable size. In Children of Dune the Fremen use a small "pseudo-shield" to attract and madden a sandworm.

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