One, but the light bulb has to *want* to be screwed in.
He wanted to speak in tungsten.
He wanted his new dish washer to match his fridge.
Wanna go ride bikes?
Four. One to change the bulb, three to stand around so he has someone to hi-five after.
We can see no need for uninstallation and have therefore made no provision for light bulbs to be removed.
Because they pack light.
Because it was bipolar.
Because they are both surrounded by nuts.
