In feral cities Chicago: page 30
"Certain university and corporate research institutes, notably MIT&T and Aztechnology, have sponsored teams to penetrate the Zone and study the situation. Some literature I “liberated” suggests they’re attempting to create a Focusing metamagic, based on Filtering techniques, to allow magicians to operate normally in the mana ebb by crafting a weave that gathers and concentrates the mana nearby"
Wonder if they are rediscovering spell matrices.