Levers, tripwire hooks and buttons power the block they are attached to/touching, but they also power redstone, pistons, lamps, doors,tnt and other blocks below and to the sides... Like this: (R=redstone block, L=lever, .=redstone dust powered by the lever but not the redstone block) Sideways:
Kamnxt
Levers, tripwire hooks and buttons power the block they are attached to/touching, but they also power redstone, pistons, lamps, doors,tnt and other blocks below and to the sides... Like this: (R=redstone block, L=lever, .=redstone dust powered by the lever but not the redstone block)
Sideways:
RL.
.
Front:
.L.
.
You could use it to make some circuits smaller.