Title: Anti-aircraft warfare.
Question: What was updated on the gunsight as a target moved?

Title: Philosophy of space and time.
Question: Time asymmetric phenomena in quantum mechanics are to few to account what kind of time-asymmetry?

Title: Prime minister.
Question: What is the head of Monaco's government called?

Title: 2008 Summer Olympics torch relay.
Question:
What was showered along the route in some places?