I wasn't sure if this was a flat-out bug or an intentional variation on how drippers work in EMC, but it does seem odd that lenses and light switches do anything aside from making things visible.
RnD drippers don't work when exposed by a light switch/lenses
Moderators: Flumminator, Zomis
RnD drippers don't work when exposed by a light switch/lenses
I wasn't sure if this was a flat-out bug or an intentional variation on how drippers work in EMC, but it does seem odd that lenses and light switches do anything aside from making things visible.