Trivia: The bees in the dome scene are real (there were about 30,000 of them). David Duchovny and Gillian Anderson were actually in the dome with them, and neither of them wore protective gear, but weren't stung nonetheless.
Trivia: Early on in the film, just after Fox notices that the toilet in the bar is out of order and he goes outside - as he is relieving himself, he is facing a poster for Independence Day - another movie about alien invasion. Chris Carter, the producer of the X-Files, hated Independence Day and so had Mulder relieve himself nearby deliberately.
Answer: The drink selection buttons were unresponsive after he deposited his coins, and then he noticed that the machine was illuminated despite being unplugged.
Phaneron ★