  Physics of graphene and physics of superfluid phases of 3He have many common
features. Both systems are topological materials where quasiparticles behave as
relativistic massless (Weyl, Majorana or Dirac) fermions. We formulate the
points where these features are overlapping. This will allow us to use graphene
for study the properties of superfluid 3He, to use superfluid 3He for study the
properties of graphene, and to use the combination to study the physics of
topological quantum vacuum. We suggest also some particular experiments with
superfluid 3He using graphene as an atomically thin membrane impenetrable for
He atoms but allowing for spin, momentum and energy transfer.
