Tempest Technologies Inc, Herndon, Virginia spacialist in the art of keeping computer equipment electrically quiet so that eavesdroppers are stymied in attempts to pick up stray radiations, has a new Integrator Series, a set of rugged, militarised, radiation shielded housings designed to accept about 80% of the personal computer and workstation motherboards currently on the market: it consists of the main chassis in a desk top, tower or rack-mount configuration and a colour monitor, keyboard, and a variety of Tempested peripherals are available; the first package using an 80386 AT-alike with 1Mb memory, colour monitor, floppy disk and a 32Mb removeable hard drive.