Dispenser

A Dispenser is a Redstone-related block that was added in Update 0.14.0. It is used to dispense items and shoot projectiles out of it when powered by a Redstone signal.

Crafting

 * 7 Cobblestone + 1 Redstone + 1 Bow => 1 Dispenser

Uses
A Dispenser's main use is to dispense blocks out. There are some exceptions, however: Any other item placed in a Dispenser will simply be released in the same way as items released from a Dropper.
 * It will shoot out Arrows, Snowballs, Splash Potions, Eggs or (When Update 0.15.0 comes out) Fire Charges.
 * Arrows launched will not have consistent flight paths. They also do not have as much damage or speed as those launched from a fully-charged bow.
 * It will spawn mobs if Spawn Eggs are put in it.
 * It will dispense TNT as Primed TNT.
 * It will set the block in front of it on fire if Flint and Steel is put in it.
 * It will place Water/Lava if their respective buckets are put in it.
 * It will use Bone Meal on the block in front of it.
 * It will place Armor on the Player if he/she is near it.
 * It will place Minecarts if there is an adjacent Rail.

Trivia

 * A Dispenser will not splash a potion if it is not a splash potion.
 * Dispensers will hold up to 572 (9 stacks of 64) of a single item.
 * The direction the player is when it is placed will affect the direction it ejects its contents. Placing it on a ceiling or roof from below will cause it to dispense its contents downward, and if placed from directly above the block, it will dispense it upwards.
 * Dispensers change textures when placed and faced upwards or downwards.