GJF

Use:

[w-s] for moving
 [a-d] for rotation
[left click] to pick up emitter
[right click] to drop down emitter

GAME STORY
C-52 in order to leave this space floating island You need to send 
signal to your spacecraft. Unfortunately there is problem with
a signal. Energy sources doesn't provide enough energy to send 
signal, that is because they are badly connected.
There are several conditions in order to provide maximum energy.
Last (large) energy sources emits huge energy power so You can't
pick them up.
Red laser signal can't be connected to last (large) energy source.
Last (large) energy sources need to be connected with each 
other through other (smaller) sources.
Remember smaller energy sources need to receive energy in 
order to forward it away.