#766: Green Flash explain

$The exact cause of the phenomenon is unknown, but it's thought to be linked to atmospheric refraction and you getting a really cool car.$

[Black Hat and Cueball are standing on the beach, watching the sun set. Black Hat is holding something in his left hand.]

Black Hat: Did you know that if you stare at the sun just as it sets, you can see a green flash?

Black Hat: And feel a sharp blow to the head, and hear the faint hum of me driving away in your new Tesla Roadster?