It involves a projector for the focussing of thought and, even more than that, conscious attention on the part of both projector and receptor.
There is a projector and a receiver.
The desired outcome can be achieved by yourself.
A group of only women wearing snowsuits are jumping over a rail.
A group of men walking.
The initial cap on mercury emissions was set to 69%.
Its like trying to bake a cake with an oven from the 1800s.
A couple sleep on a sofa.
That sounds boring, but honestly  I don't have any better ideas.