If you want to turn your bedroom into the bridge of the Enterprise, Marc of uiproductions has put together a nice tutorial on how you can build a set of doors that slide open at the push of a button.
Star Trek aside, I coud have used this the other night while blindly feeling around for the door when the lights went out. I almost found it with my face. Of course, it would be even better with one of the automatic sensors you find at supermarkets.
See it in action after the break.