When it comes to sterilizing medical devices, material compatibility is the Achilles' heel.

Arcs and sparks are commonly used to dramatically depict welding in television commercials, photographs and other images. But in resistance projection welding (RPW), such flashes of light indicate poor welding.

The key to Blichmann Engineering’s Tower of Power home-brewing system is its temperature control module, which monitors and adjusts the temperature of mash as it is being circulated.