A directable light, the light comprising: a light source for generating light; a first reflector for forming said generated light into a beam; a light switching layer, located between said light source and said first reflector, said light switching layer comprising a plurality of portions, each of said portions having at least two states, in a first state said light switching layer being substantially transparent to said generated light and in a second state said light switching layer being substantially opaque to said generated light; and a light controller which determines which of said portions of said light switching layer are substantially transparent and which of said portions of said light switching layer are substantially opaque.