Magneto-gravitons are powerfully attractive subatomic particles.
Magneto-Gravitons are a type of Exotic Particle - an Exotic Substance related to Etheric Science. A physrep of some kind of energy containment device can be used to represent up to 10 measures of this substance, but particularly large physreps can hold more.
A measure of Magneto-Gravitons can be applied to Extractor Science Devices. Applying a measure of this substance to such a device will make it about twice as effective for the remainder of the day. This will allow it to either extract more of a substance for each use, or allow it to extract other trace substances in the nearby environment. An Extractor empowered by these particles may be able to extract usable measures from even trace quantities of a substance.
As with all Exotic Substances, a character with at least 1 rank in the relevant speciality (Etheric Science in this case) can spend 1 minute of appropriate roleplaying to apply 1 measure of Magneto-Gravitons to an item. After this roleplaying, they should unpeel the sticker that represents this substance, stick it to the lammie of the item being powered-up, and record the current date on it.
The boost provided by this substance wears off at time-out on the day recorded on the sticker.